Assignee
CLARK RELIANCE CORP
US·20 granted patents·1 pending application·371 citations·filing 1978–2020
Top patents by PatentIndex Score
21 records- 0194US6666086B2Automatic boiler level controllerCLARK RELIANCE CORP·Filed 2001·Granted Dec 23, 2003·81 cites·10 claims
- 0286US5351036AMicrowave-based point liquid level monitoring systemCLARK RELIANCE CORP·Filed 1991·Granted Sep 27, 1994·60 cites·36 claims
- 0379US4507521AHigh pressure electrical conductivity probeCLARK RELIANCE CORP·Filed 1982·Granted Mar 26, 1985·50 cites·12 claims
- 0476US11313713B2Magnetostrictive transmitterCLARK RELIANCE CORP·Filed 2020·Granted Apr 26, 2022·2 cites·21 claims
- 0572US6575010B2Method and system for detecting and cross-checking faulty sensors in liquid level indicators and controllersCLARK RELIANCE CORP·Filed 2001·Granted Jun 10, 2003·19 cites·12 claims
- 0671US5243929ATubular sanitary sight indicatorCLARK RELIANCE CORP·Filed 1991·Granted Sep 14, 1993·29 cites·16 claims
- 0757US4197877APressure reducing valveCLARK RELIANCE CORP·Filed 1978·Granted Apr 15, 1980·13 cites·4 claims
- 0854US5645336AIlluminated fluid level indicatorCLARK RELIANCE CORP·Filed 1996·Granted Jul 8, 1997·18 cites·20 claims
- 0954US5249464ASight flow apparatus with cartridgeCLARK RELIANCE CORP·Filed 1991·Granted Oct 5, 1993·16 cites·34 claims
- 1052US4276354ASteam traps or the likeCLARK RELIANCE CORP·Filed 1979·Granted Jun 30, 1981·10 cites·12 claims
- 1151US5743137AMagnetic float assemblyCLARK RELIANCE CORP·Filed 1995·Granted Apr 28, 1998·18 cites·18 claims
- 1248US9920840B2Valve with different threads for preventing rotation of and locking bonnet within valveCLARK RELIANCE CORP·Filed 2015·Granted Mar 20, 2018·1 cites·20 claims
- 1346US4387733ADual fulcrum steam trapCLARK RELIANCE CORP·Filed 1981·Granted Jun 14, 1983·10 cites·9 claims
- 1445US5297429ASanitary sight indicatorCLARK RELIANCE CORP·Filed 1993·Granted Mar 29, 1994·11 cites·20 claims
- 1543US4292998APressure reducing valveCLARK RELIANCE CORP·Filed 1979·Granted Oct 6, 1981·7 cites·2 claims
- 1641US2022065679A1Liquid level gage with c-plane sapphireCLARK RELIANCE CORP·Filed 2020·Application pending·0 cites
- 1740US5343826AFluid indicator assemblies for sight flow apparatusCLARK RELIANCE CORP·Filed 1992·Granted Sep 6, 1994·8 cites·45 claims
- 1839US7047806B2Liquid level gage and illuminator thereforCLARK RELIANCE CORP·Filed 2003·Granted May 23, 2006·7 cites·21 claims
- 1938US5647656AIlluminated fluid level indicatorCLARK RELIANCE CORP·Filed 1995·Granted Jul 15, 1997·8 cites·15 claims
- 2033US10258916B2Filtering system including impermeable extension for filtering elementCLARK RELIANCE CORP·Filed 2017·Granted Apr 16, 2019·0 cites·19 claims
- 2127US4300719ASteam trapsCLARK RELIANCE CORP·Filed 1980·Granted Nov 17, 1981·3 cites·16 claims
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