Assignee
MARK CONTROLS CORP
24 granted patents·615 citations·filing 1976–1998
Top patents by PatentIndex Score
24 records- 0192US5201532AFlexible non-planar graphite sealing ringMARK CONTROLS CORP·Filed 1991·Granted Apr 13, 1993·80 cites·13 claims
- 0290US4368756ACheck valveMARK CONTROLS CORP·Filed 1981·Granted Jan 18, 1983·64 cites·10 claims
- 0389US4590576AControl system for flow control valvesMARK CONTROLS CORP·Filed 1984·Granted May 20, 1986·53 cites·25 claims
- 0487US5478048ANon-planar flexible graphite sealing ringsMARK CONTROLS CORP·Filed 1994·Granted Dec 26, 1995·60 cites·19 claims
- 0586US4117856AFrostproof backflow preventerMARK CONTROLS CORP·Filed 1976·Granted Oct 3, 1978·50 cites·12 claims
- 0680US4706934AGate valveMARK CONTROLS CORP·Filed 1986·Granted Nov 17, 1987·36 cites·7 claims
- 0775USD415561SAutomatic lavatory faucetMARK CONTROLS CORP·Filed 1998·Granted Oct 19, 1999·18 cites·1 claims
- 0875US4112966AEjector purge hydrantMARK CONTROLS CORP·Filed 1976·Granted Sep 12, 1978·33 cites·14 claims
- 0974US4596264AFlow control valveMARK CONTROLS CORP·Filed 1984·Granted Jun 24, 1986·35 cites·6 claims
- 1072US6050285APressure balancing valveMARK CONTROLS CORP·Filed 1998·Granted Apr 18, 2000·44 cites·17 claims
- 1164USD415560SAutomatic lavatory faucet with gooseneck spoutMARK CONTROLS CORP·Filed 1998·Granted Oct 19, 1999·12 cites·1 claims
- 1261US4252270AThermostatMARK CONTROLS CORP·Filed 1978·Granted Feb 24, 1981·18 cites·7 claims
- 1360US4262844AControl valveMARK CONTROLS CORP·Filed 1980·Granted Apr 21, 1981·23 cites·16 claims
- 1459US4256258ATemperature monitor and alarm systemMARK CONTROLS CORP·Filed 1979·Granted Mar 17, 1981·17 cites·8 claims
- 1552USD273944SThermostatMARK CONTROLS CORP·Filed 1982·Granted May 22, 1984·7 cites·1 claims
- 1648US6286533B1Metering valve assemblyMARK CONTROLS CORP·Filed 1997·Granted Sep 11, 2001·12 cites·21 claims
- 1747US4295602AControl valveMARK CONTROLS CORP·Filed 1979·Granted Oct 20, 1981·11 cites·16 claims
- 1846US4231512AThermostatMARK CONTROLS CORP·Filed 1978·Granted Nov 4, 1980·8 cites·3 claims
- 1941US4157159AAutomatic fluid flow regulatorMARK CONTROLS CORP·Filed 1978·Granted Jun 5, 1979·7 cites·6 claims
- 2033US4312226AComparatorMARK CONTROLS CORP·Filed 1979·Granted Jan 26, 1982·7 cites·8 claims
- 2125US4323112ANo energy band temperature controlMARK CONTROLS CORP·Filed 1979·Granted Apr 6, 1982·6 cites·8 claims
- 2225US4190159AEncapsulated underground liquid storage tankMARK CONTROLS CORP·Filed 1978·Granted Feb 26, 1980·8 cites·4 claims
- 2322US4376448ALet-down valveMARK CONTROLS CORP·Filed 1981·Granted Mar 15, 1983·5 cites·6 claims
- 2412US4243173APneumatic optimizerMARK CONTROLS CORP·Filed 1979·Granted Jan 6, 1981·1 cites·10 claims
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