AU516927B2 - Creación de Inventos y Patentes con Inteligencia Artificial

AU516927B2 – Check valve
– Google Patents

AU516927B2 – Check valve
– Google Patents
Check valve

Info

Publication number
AU516927B2

AU516927B2
AU35624/78A
AU3562478A
AU516927B2
AU 516927 B2
AU516927 B2
AU 516927B2
AU 35624/78 A
AU35624/78 A
AU 35624/78A
AU 3562478 A
AU3562478 A
AU 3562478A
AU 516927 B2
AU516927 B2
AU 516927B2
Authority
AU
Australia
Prior art keywords
check valve
check
valve
Prior art date
1977-05-16
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Application number
AU35624/78A
Other versions

AU3562478A
(en

Inventor
R. R Manske
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Bayer Corp

Original Assignee
Cutter Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1977-05-16
Filing date
1978-05-01
Publication date
1981-07-02

1978-05-01
Application filed by Cutter Laboratories Inc
filed
Critical
Cutter Laboratories Inc

1979-11-08
Publication of AU3562478A
publication
Critical
patent/AU3562478A/en

1981-07-02
Application granted
granted
Critical

1981-07-02
Publication of AU516927B2
publication
Critical
patent/AU516927B2/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR

A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use

A61M39/22—Valves or arrangement of valves

A61M39/24—Check- or non-return valves

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING

F16K15/00—Check valves

F16K15/14—Check valves with flexible valve members

F16K15/1402—Check valves with flexible valve members having an integral flexible member cooperating with a plurality of seating surfaces

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING

F16K15/00—Check valves

F16K15/14—Check valves with flexible valve members

F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR

A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use

A61M39/22—Valves or arrangement of valves

A61M39/24—Check- or non-return valves

A61M2039/242—Check- or non-return valves designed to open when a predetermined pressure or flow rate has been reached, e.g. check valve actuated by fluid

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR

A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use

A61M39/22—Valves or arrangement of valves

A61M39/24—Check- or non-return valves

A61M2039/2433—Valve comprising a resilient or deformable element, e.g. flap valve, deformable disc

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR

A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use

A61M39/22—Valves or arrangement of valves

A61M39/24—Check- or non-return valves

A61M2039/2433—Valve comprising a resilient or deformable element, e.g. flap valve, deformable disc

A61M2039/2446—Flexible disc

A61M2039/246—Flexible disc being fixed along all or a part of its periphery

Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

Y10T137/00—Fluid handling

Y10T137/7722—Line condition change responsive valves

Y10T137/7781—With separate connected fluid reactor surface

Y10T137/7783—Valve closes in responses to reverse flow

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

Y10T137/00—Fluid handling

Y10T137/7722—Line condition change responsive valves

Y10T137/7837—Direct response valves [i.e., check valve type]

Y10T137/7869—Biased open

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

Y10T137/00—Fluid handling

Y10T137/794—With means for separating solid material from the fluid

Y10T137/8122—Planar strainer normal to flow path

AU35624/78A
1977-05-16
1978-05-01
Check valve

Expired

AU516927B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

US05/796,923

US4141379A
(en)

1977-05-16
1977-05-16
Check valve

USUS796923

1977-05-16

Publications (2)

Publication Number
Publication Date

AU3562478A

AU3562478A
(en)

1979-11-08

AU516927B2
true

AU516927B2
(en)

1981-07-02

Family
ID=25169407
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU35624/78A
Expired

AU516927B2
(en)

1977-05-16
1978-05-01
Check valve

Country Status (9)

Country
Link

US
(1)

US4141379A
(en)

JP
(1)

JPS53141929A
(en)

AU
(1)

AU516927B2
(en)

CA
(1)

CA1091540A
(en)

DE
(1)

DE2819900A1
(en)

ES
(1)

ES469893A1
(en)

FR
(1)

FR2391405A1
(en)

GB
(1)

GB1577487A
(en)

IT
(1)

IT1103854B
(en)

Families Citing this family (118)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

DE2729458C3
(en)

1977-06-30
1981-07-16
Arcu Armaturindustri AB, Alstermo

Flow regulator, especially for installation between a water crane and a water pipe end

US4244378A
(en)

1978-05-30
1981-01-13
The West Company
Pressure responsive one-way valve for medical systems

US4222407A
(en)

1978-09-13
1980-09-16
Baxter Travenol Laboratories, Inc.
One-way flex valve

DE7905206U1
(en)

1979-02-24
1979-05-23
B. Braun Melsungen Ag, 3508 Melsungen

INJECTION VALVE

US4354492A
(en)

1979-04-16
1982-10-19
American Hospital Supply Corporation
Medical administration set with backflow check valve

US4286628A
(en)

1979-06-21
1981-09-01
Nypro, Inc.
Control of fluid flow using longitudinally movable disc

US4415003A
(en)

1981-02-18
1983-11-15
Nypro Inc.
Control of fluid flow using a flexible disc

US4369812A
(en)

1981-02-18
1983-01-25
Nypro Inc.
Control of fluid flow using precisely positioned disc

US4468224A
(en)

1982-01-28
1984-08-28
Advanced Cardiovascular Systems, Inc.
System and method for catheter placement in blood vessels of a human patient

US4523610A
(en)

1982-05-24
1985-06-18
Honeywell Inc.
Check valve

US4488961A
(en)

1982-09-29
1984-12-18
E. I. Du Pont De Nemours And Company
One-way filter unit

US4557419A
(en)

1983-02-17
1985-12-10
The Babcock & Wilcox Company
Temperature-actuated flow control device

US4759385A
(en)

1983-06-29
1988-07-26
Sharon Manufacturing Company
Low inertia check valve

US4534758A
(en)

1983-07-15
1985-08-13
Eli Lilly & Company
Controlled release infusion system

US4534764A
(en)

1983-07-25
1985-08-13
Trimedyne, Inc.
Sequential medication delivery device

CH665695A5
(en)

1984-02-09
1988-05-31
Lasso Technik Ag

VALVE SEAT FOR A VALVE TO PREVENT THE BACKFLOW OF LIQUID AND GASEOUS MEDIA.

US4517083A
(en)

1984-03-12
1985-05-14
Arc Rebuilders, Inc.
Filter device having relief valve for use in power steering system

JPS60234812A
(en)

1984-05-09
1985-11-21
Fuji Kobunshi Kogyo Kk
Preparation of diaphragm

US4618295A
(en)

1984-08-24
1986-10-21
Acf Industries, Incorporated
Plenum chamber flow restrictor and check valve

US4556086A
(en)

1984-09-26
1985-12-03
Burron Medical Inc.
Dual disc low pressure back-check valve

FR2576795A1
(en)

1985-02-06
1986-08-08
Spitz Charles
Device to allow a certain freedom of movement to the subject treated during perfusions or transfusions

US4608042A
(en)

1985-09-25
1986-08-26
Warner-Lambert Company
Apparatus for sequential infusion of medical solutions

US4749003A
(en)

1987-01-22
1988-06-07
Filtertek, Inc.
Center flow check valve

US4838875A
(en)

1987-12-09
1989-06-13
Somor Andrew T
Method and apparatus for dealing with intravenous fluids

DE3815731A1
(en)

1988-05-07
1989-11-16
Teves Gmbh Alfred
Brake master piston with central control valve and filters

DE3816748A1
(en)

1988-05-17
1989-11-30
Teves Gmbh Alfred

HYDRAULIC UNIT

US4966199A
(en)

1989-06-08
1990-10-30
Filtertek, Inc.
Diaphragm-type center flow check valve

WO1991001769A1
(en)

1989-07-31
1991-02-21
Stubbersfield, Beryl, Grace
Blood/solution administration sets and components therefor

US4946448A
(en)

1989-10-23
1990-08-07
Kendall Mcgaw Laboratories, Inc.
Check valve for use with intravenous pump

US5098408A
(en)

1990-02-12
1992-03-24
General Automatic Corp.
Automatic intravenous flow controller

US5062448A
(en)

1990-06-14
1991-11-05
Henry Hilsenbeck
Double action check valve

JPH06503972A
(en)

1990-06-26
1994-05-12
アドヴァンスド　カーディオヴァスキュラーシステムズ　インコーポレイテッド

Intravascular drug delivery method and catheter therefor

US5205834A
(en)

1990-09-04
1993-04-27
Moorehead H Robert
Two-way outdwelling slit valving of medical liquid flow through a cannula and methods

US5201722A
(en)

1990-09-04
1993-04-13
Moorehead Robert H
Two-way outdwelling slit valving of medical liquid flow through a cannula and methods

US5169393A
(en)

1990-09-04
1992-12-08
Robert Moorehead
Two-way outdwelling slit valving of medical liquid flow through a cannula and methods

DE4029326C1
(en)

1990-09-15
1992-03-05
Viktor Dipl.-Ing. 5900 Siegen De Schatz

JPH04337171A
(en)

1991-05-10
1992-11-25
Texas Instr Japan Ltd
Valve device

US5419776A
(en)

1993-09-30
1995-05-30
Baer; Robert M.
Pneumothorax treatment device

US5453097A
(en)

1994-08-15
1995-09-26
Paradis; Joseph R.
Control of fluid flow

JPH08174860A
(en)

1994-10-26
1996-07-09
Seiko Epson Corp
Ink cartridge for ink jet printer

AU5518496A
(en)

1995-05-15
1996-11-29
Mark Alexander Jenkins
Low pressure bung check valve having valve closure member he ld just off the valve seat by a spring element

DE19545421C2
(en)

1995-12-06
2001-05-10
Filtertek Bv

Check valve, especially for medical technology

US5655570A
(en)

1996-05-21
1997-08-12
Permea, Inc.
Condensate drain device

IL119982A
(en)

1997-01-09
2000-07-26
Shapira Niva
Bottle for infant feeding

US6290682B1
(en)

1997-02-13
2001-09-18
Filterek Inc.
Infusion set

JP4141523B2
(en)

1997-03-19
2008-08-27
セイコーエプソン株式会社

Ink supply flow path valve device

DE19723648C1
(en)

1997-06-05
1998-08-27
Disetronic Licensing Ag
Controlled infusion equipment with leak and reverse flow prevention used e.g. in insulin therapy

IL123227A0
(en)

1998-02-08
1998-09-24
3By Ltd
Check valve

ES2219029T7
(en)

1998-07-15
2012-03-16
Seiko Epson Corporation

INK SUPPLY UNIT.

DE19840992A1
(en)

1998-09-08
2000-03-09
Disetronic Licensing Ag

Pressure monitoring of a product fluid to be administered in doses during an infusion or injection

US6364861B1
(en)

1998-09-17
2002-04-02
Porex Medical Products, Inc.
Multi-valve injection/aspiration manifold

US20020156431A1
(en)

1998-09-17
2002-10-24
Feith Raymond P.
Multi-valve injection/aspiration manifold with needleless access connection

US6250331B1
(en)

1999-02-22
2001-06-26
Haemonetics, Corp.
Zero crack-pressure, high-flow valve

US20020195112A1
(en)

1999-07-07
2002-12-26
Niva Shapira
Feeding device for feeding infants

US7547302B2
(en)

1999-07-19
2009-06-16
I-Flow Corporation
Anti-microbial catheter

US6105609A
(en)

1999-08-13
2000-08-22
General Motors Corporation
Filtered check valve assembly

ATE304307T1
(en)

2000-03-16
2005-09-15
Cosco Man Inc

SPILL PROOF CUP

US6331246B1
(en)

2000-05-08
2001-12-18
Stryker Corporation
Waste filter and manifold system

PT1199178E
(en)

2000-10-20
2008-07-22
Seiko Epson Corp
Ink cartridge for ink jet recording device

EP1481807B2
(en)

2000-10-20
2010-11-10
Seiko Epson Corporation
Ink jet recording device and ink cartridge

US6544235B2
(en)

2001-05-03
2003-04-08
Steven A. Motisi
Valve for use with a catheter

DE10219994B4
(en)

2002-05-03
2005-09-29
Filtertek B.V.

One-way valve means

US7160272B1
(en)

2002-05-31
2007-01-09
Elcam Plastic
Y-site medical valve

US7316662B2
(en)

2002-07-09
2008-01-08
Gambro Lundia Ab
Infusion device for medical use

US6902673B2
(en)

2002-07-25
2005-06-07
Stryker Instruments
Single port manifold

US7326188B1
(en)

2002-08-02
2008-02-05
Elcam Medical
Anesthesia manifold and induction valve

JP3991853B2
(en)

2002-09-12
2007-10-17
セイコーエプソン株式会社

ink cartridge

US20040222229A1
(en)

2003-05-06
2004-11-11
Gabbard Mark E.
Valve for dispensing liquids and method of use

KR20070086939A
(en)

2003-07-09
2007-08-27
가부시키가이샤 제이.에무.에스
Mixed injection port

WO2005042061A1
(en)

2003-10-20
2005-05-12
Stryker Instruments
Manifold assembly

WO2005079947A2
(en)

2004-02-19
2005-09-01
Stryker Instruments
Manifold and filter assembly with filter basket

WO2005119026A2
(en)

2004-05-28
2005-12-15
Ford Global Technologies, Llc
Variable stiffness flow control valve

DE102004027734A1
(en)

2004-06-07
2005-12-22
Filtertek B.V., Newcastle West

Device for connecting a ventilator with the patient

US7673653B2
(en)

2004-06-17
2010-03-09
Filtertek Inc.
Check valve

DE202006016730U1
(en)

2006-10-30
2007-01-04
Filtertek B.V.
Nonreturn valve useful in medical equipment comprises a tube connector with recesses that are separated by membrane support surfaces and are connected to an outlet channel via narrow deep grooves

US7600530B2
(en)

2004-08-09
2009-10-13
Medegen, Inc.
Connector with check valve and method of use

US10478607B2
(en)

2004-08-09
2019-11-19
Carefusion 303, Inc.
Connector for transferring fluid and method of use

DE202005010459U1
(en)

2004-11-22
2005-10-13
Filtertek B.V., Newcastle West

Device for introducing air into containers used in artificial nutrition

US20090076485A1
(en)

2005-04-29
2009-03-19
Mubarak Kamal K
Alarm system for implantable pumps for intravenous drug delivery

KR100558117B1
(en)

2005-12-16
2006-03-10
허승환
Device for protecting flowing backward in infusion solution deliverying set

WO2008008974A2
(en)

2006-07-13
2008-01-17
Filtertek Inc.
Valve apparatus, combination filter valve assemblies, and devices, systems, and methods including the same

US20080027401A1
(en)

2006-07-28
2008-01-31
Becton, Dickinson And Company
Vascular access device filtration

US20080099085A1
(en)

2006-10-25
2008-05-01
Deere & Company
Hydraulic reservoir with filter

CA2753895C
(en)

2006-10-30
2013-12-10
Gambro Lundia Ab
Air separator for extracorporeal fluid treatment sets

US20080294095A1
(en)

2007-05-26
2008-11-27
Jaime Zacharias
Outflow rate regulator

ITVR20070075A1
(en)

2007-05-29
2008-11-30
Haemotronic Advanced Medical T

CLOSED CIRCUIT EXTRACTION SYSTEM FOR MANUAL ACTIVATION AND METHOD OF USE.

US8753323B2
(en)

2007-06-13
2014-06-17
Dana, LLC.
Vacuum surge suppressor for surgical aspiration systems

DE202007012680U1
(en)

2007-08-13
2008-01-03
Filtertek B.V., Newcastle West

Check valve, in particular for medical applications

DE102007046951B3
(en)

2007-10-01
2009-02-26
B. Braun Melsungen Ag

Device for introducing a medicament into an infusion container

ATE536195T1
(en)

2007-10-04
2011-12-15
Gambro Lundia Ab

INFUSION DEVICE

US10226614B2
(en)

2009-03-19
2019-03-12
Illinois Tool Works Inc.
One-way check valve

KR101736022B1
(en)

2009-05-07
2017-05-15
파커-한니핀 코포레이션
Self-aligning axially constrained regulator valve assembly

US8430867B2
(en)

2010-03-12
2013-04-30
Kci Licensing, Inc.
Reduced-pressure dressing connection pads, systems, and methods

CN101829370B
(en)

2010-05-20
2012-05-30
重庆山外山科技有限公司
One-way valve for hemodialysis machine

CN103237572A
(en)

2010-11-11
2013-08-07
奇姆德恩医疗有限公司
A valve to prevent air entering an intravenous circuit

CA2821843C
(en)

2011-01-05
2016-11-22
Amphicom Investments Cc
In-line water trap

DE102011018980A1
(en)

2011-04-28
2012-10-31
Eagle Actuator Components Gmbh & Co. Kg

Valve for limiting the pressure in the crankshaft housing

US10010673B2
(en)

2012-08-28
2018-07-03
Osprey Medical, Inc.
Adjustable medium diverter

US10022497B2
(en)

2012-08-28
2018-07-17
Osprey Medical, Inc.
Reservoir for collection and reuse of diverted medium

WO2014107436A1
(en)

2013-01-02
2014-07-10
Illinois Tool Works Inc.
Check valve with integrated filter

US9370651B2
(en)

2013-03-13
2016-06-21
Carefusion 303, Inc.
Needleless connector with reduced trapped volume

US9144672B2
(en)

2013-03-13
2015-09-29
Carefusion 303, Inc.
Needleless connector with compressible valve

US9089682B2
(en)

2013-03-14
2015-07-28
Carefusion 303, Inc.
Needleless connector with support member

US9278205B2
(en)

2013-03-13
2016-03-08
Carefusion 303, Inc.
Collapsible valve with internal dimples

CA2809504C
(en)

2013-03-15
2014-07-22
Westport Power Inc.
Check valve with improved response time

CN103705997A
(en)

2014-01-07
2014-04-09
江苏苏云医疗器材有限公司
Injection piece of infusion set

US9782525B2
(en)

2015-01-08
2017-10-10
Gyrus Acmi, Inc.
Multi-way valve for a medical instrument

US20160223117A1
(en)

2015-01-29
2016-08-04
General Electric Company
Conduit having integral, monolithic flow regulation features

US9795759B2
(en)

2015-04-29
2017-10-24
Vyaire Medical Consumables Llc
Low flow controller

RU2017143616A
(en)

2015-06-15
2019-07-15
Дзе Текнолоджи Партнершип ПЛК

MICROSOPLAR KNOT SUPPLIED BY FILTER

CN105508669A
(en)

2015-12-31
2016-04-20
宁波市鄞州华坚阀门有限公司
Diaphragm type check valve

CN106334235A
(en)

2016-09-21
2017-01-18
山东威高集团医用高分子制品股份有限公司
Filter needle head

GB2560342A
(en)

2017-03-08
2018-09-12
Product4 Ltd
Valve

US11819654B2
(en)

2019-03-04
2023-11-21
Carefusion 303, Inc.
Castellated check valves

NL2023873B1
(en)

2019-09-20
2021-05-25
Medspray B V

Atomizing device and method for preparing the same, and a container therefor

US11193601B2
(en)

2020-05-07
2021-12-07
Carefusion 303, Inc.
Check valve with flash seal

DE102021001358A1
(en)

2021-03-15
2022-09-15
Mercedes-Benz Group AG

Check valve for a vacuum system of a motor vehicle, in particular a motor vehicle

US11566715B1
(en)

2021-07-06
2023-01-31
Saudi Arabian Oil Company
Preventing an over pressure condition with a mechanical shutdown valve

Family Cites Families (13)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US1564061A
(en)

1925-05-02
1925-12-01
George S Hale
Attachment for motor vehicles

US1897572A
(en)

1930-10-10
1933-02-14
Chase Companies Inc
Combined check-valve and strainer

CH205022A
(en)

1939-05-17
1939-05-31
Schenk Ferdinand

Exhalation valve for breathing apparatus.

US2462189A
(en)

1944-05-25
1949-02-22
Trico Products Corp
Valve for windshield cleaners

US2497906A
(en)

1944-10-20
1950-02-21
Peters & Russell Inc
Valved hose connection

US2497907A
(en)

1946-03-06
1950-02-21
Peters & Russell Inc
Pump handle

DE897679C
(en)

1950-08-20
1953-11-23
Hansa Metallwerke Ag

Continuous pipe aerator with shut-off device

US2674262A
(en)

1951-03-30
1954-04-06
William D Bradshaw
Rate of flow valve

DE1251116B
(en)

1961-03-11
1900-01-01

FR1597185A
(en)

1968-01-24
1970-06-22

GB1222052A
(en)

1968-01-24
1971-02-10
Indesit
Non-return valve

CH492910A
(en)

1968-05-02
1970-06-30
Battelle Memorial Inst Interna

Bistable valve

DE2017434A1
(en)

1970-04-11
1971-11-04
Siemens Ag

Diaphragm check valve

1977

1977-05-16
US
US05/796,923
patent/US4141379A/en
not_active
Expired – Lifetime

1978

1978-04-13
FR
FR7810962A
patent/FR2391405A1/en
active
Pending

1978-04-21
JP
JP4675878A
patent/JPS53141929A/en
active
Pending

1978-05-01
AU
AU35624/78A
patent/AU516927B2/en
not_active
Expired

1978-05-02
IT
IT4916478A
patent/IT1103854B/en
active

1978-05-06
DE
DE19782819900
patent/DE2819900A1/en
not_active
Withdrawn

1978-05-15
GB
GB19510/78A
patent/GB1577487A/en
not_active
Expired

1978-05-15
CA
CA303,283A
patent/CA1091540A/en
not_active
Expired

1978-05-16
ES
ES469893A
patent/ES469893A1/en
not_active
Expired

Also Published As

Publication number
Publication date

IT1103854B
(en)

1985-10-14

FR2391405A1
(en)

1978-12-15

AU3562478A
(en)

1979-11-08

ES469893A1
(en)

1979-09-16

CA1091540A
(en)

1980-12-16

IT7849164D0
(en)

1978-05-02

DE2819900A1
(en)

1978-11-23

JPS53141929A
(en)

1978-12-11

GB1577487A
(en)

1980-10-22

US4141379A
(en)

1979-02-27

Información de contacto