Assignee
ERICSON KURT STURE BIRGER
BE·10 granted patents·1 pending application·313 citations·filing 1978–2010
Top patents by PatentIndex Score
11 records- 0188US4232706AAutomatic valve device for sanitation waste pipesERICSON KURT STURE BIRGER·Filed 1978·Granted Nov 11, 1980·44 cites·8 claims
- 0285US4535807AAutomatic air valve device for ductsERICSON KURT STURE BIRGER·Filed 1983·Granted Aug 20, 1985·50 cites·5 claims
- 0380US4991623AAutomatic air valves for ductsERICSON KURT STURE BIRGER·Filed 1989·Granted Feb 12, 1991·38 cites·2 claims
- 0480US4318547ADevices used for the connection of pipesERICSON KURT STURE BIRGER·Filed 1980·Granted Mar 9, 1982·43 cites·4 claims
- 0575US4212314AWaste water outlet sanitary plant comprising a siphonERICSON KURT STURE BIRGER·Filed 1978·Granted Jul 15, 1980·25 cites·4 claims
- 0674US4974632AAutomatic air valves for ductsERICSON KURT STURE BIRGER·Filed 1989·Granted Dec 4, 1990·29 cites·3 claims
- 0773US4524795AHydraulic device for the drainage of waste waterERICSON KURT STURE BIRGER·Filed 1982·Granted Jun 25, 1985·28 cites·2 claims
- 0870US4440406ADevices used for the connection of pipesERICSON KURT STURE BIRGER·Filed 1982·Granted Apr 3, 1984·28 cites·4 claims
- 0963US4777676ASanitary appliances with an indirect outlet and hidden drainage mechanismERICSON KURT STURE BIRGER·Filed 1985·Granted Oct 18, 1988·25 cites·7 claims
- 1060US8567434B2Closing and sealing means for air admittance valves in sanitary waste water pipe systemsERICSON KURT STURE BIRGER·Filed 2010·Granted Oct 29, 2013·3 cites·16 claims
- 1136US2012025123A1High Capacity Air Admittance Valve for Sanitary Waste Pipe SystemERICSON KURT STURE BIRGER·Filed 2010·Application pending·0 cites
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