Check valve
US5482080A · kind A · utility
18Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 1994 |
| Grant date | Jan 9, 1996 |
| Priority date | — |
| Expiry date | Feb 15, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8085
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A check valve with a housing having a valve seat, a valve closing member cooperating with the valve seat and an upstream dirt trapping filter, particularly for sanitary water fittings, wherein the dirt trapping filter and housing are of a unitary construction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.