ATE83023T1 - BACKFLOW PREVENT, PARTICULARLY FOR INSTALLATION IN DRINKING WATER PIPES. - Google Patents

BACKFLOW PREVENT, PARTICULARLY FOR INSTALLATION IN DRINKING WATER PIPES.

Info

Publication number: ATE83023T1
Authority: AT; Austria
Prior art keywords: installation; drinking water; water pipes; backflow prevent; backflow
Prior art date: 1989-11-07

Application number

AT90910582T

Other languages

German (de)

Inventor

Walter Evers

Original Assignee

Waletzko Armaturen Gmbh

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.)

1989-11-07

Filing date

1990-07-20

Publication date

1992-12-15

1989-11-07 Priority claimed from DE3936962A external-priority patent/DE3936962A1/en

1990-07-20 Application filed by Waletzko Armaturen Gmbh filed Critical Waletzko Armaturen Gmbh

1992-12-15 Application granted granted Critical

1992-12-15 Publication of ATE83023T1 publication Critical patent/ATE83023T1/en

Links

IHPYMWDTONKSCO-UHFFFAOYSA-N 2,2'-piperazine-1,4-diylbisethanesulfonic acid Chemical compound OS(=O)(=O)CCN1CCN(CCS(O)(=O)=O)CC1 IHPYMWDTONKSCO-UHFFFAOYSA-N 0.000 title 1
239000007990 PIPES buffer Substances 0.000 title 1
239000003651 drinking water Substances 0.000 title 1
235000020188 drinking water Nutrition 0.000 title 1
238000009434 installation Methods 0.000 title 1

AT90910582T 1989-11-07 1990-07-20 BACKFLOW PREVENT, PARTICULARLY FOR INSTALLATION IN DRINKING WATER PIPES. ATE83023T1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE3936962A DE3936962A1 (en)	1989-11-07	1989-11-07	BACKFLOW PREVENTORS, ESPECIALLY FOR INSTALLATION IN DRINKING WATER PIPES
PCT/DE1990/000547 WO1991006716A1 (en)	1989-11-07	1990-07-20	Backflow preventer, especially for fitting in drinking water pipes
EP90910582A EP0452426B1 (en)	1989-11-07	1990-07-20	Backflow preventer, especially for fitting in drinking water pipes

Publications (1)

Publication Number	Publication Date
ATE83023T1 true ATE83023T1 (en)	1992-12-15

Family

ID=25886821

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT90910582T ATE83023T1 (en)	1989-11-07	1990-07-20	BACKFLOW PREVENT, PARTICULARLY FOR INSTALLATION IN DRINKING WATER PIPES.

Country Status (1)

Country	Link
AT (1)	ATE83023T1 (en)

1990
- 1990-07-20 AT AT90910582T patent/ATE83023T1/en not_active IP Right Cessation

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Legal Events

Date	Code	Title	Description
1994-10-15	REN	Ceased due to non-payment of the annual fee