Assignee
HENRY FILTERS INC
US·36 granted patents·1 pending application·705 citations·filing 1981–2001
Top patents by PatentIndex Score
37 records- 0191US5315880AMethod for measuring fluid velocity by measuring the Doppler frequency shift or microwave signalsHENRY FILTERS INC·Filed 1992·Granted May 31, 1994·67 cites·8 claims
- 0287US4655940ACentral coolant system with intermittent waste flushingHENRY FILTERS INC·Filed 1986·Granted Apr 7, 1987·42 cites·9 claims
- 0382US5705747AMethods and system for scaleable liquid display and controlHENRY FILTERS INC·Filed 1997·Granted Jan 6, 1998·50 cites·16 claims
- 0479US6125883AFloor mounted double containment low profile sump pump assemblyHENRY FILTERS INC·Filed 1998·Granted Oct 3, 2000·49 cites·9 claims
- 0577US4420868ATrough manufacturing processHENRY FILTERS INC·Filed 1981·Granted Dec 20, 1983·30 cites·18 claims
- 0676US4421645ACompact universal drum filter settlerHENRY FILTERS INC·Filed 1982·Granted Dec 20, 1983·35 cites·22 claims
- 0774US5300220ATrough system for machine tool coolant collection flumesHENRY FILTERS INC·Filed 1992·Granted Apr 5, 1994·27 cites·5 claims
- 0871US6050788APump with improved seal for filtration systemsHENRY FILTERS INC·Filed 1997·Granted Apr 18, 2000·18 cites·6 claims
- 0969US6017446AFloor mounted filtration systemHENRY FILTERS INC·Filed 1998·Granted Jan 25, 2000·22 cites·35 claims
- 1068US5417849AMachine tool coolant filtering systemHENRY FILTERS INC·Filed 1993·Granted May 23, 1995·27 cites·9 claims
- 1168US5030346APump for filtration systemHENRY FILTERS INC·Filed 1990·Granted Jul 9, 1991·31 cites·19 claims
- 1266US5662812ATrough system for machine tool coolant collection flumesHENRY FILTERS INC·Filed 1996·Granted Sep 2, 1997·16 cites·4 claims
- 1364US5389256AFilter apparatus for machine tool coolantHENRY FILTERS INC·Filed 1992·Granted Feb 14, 1995·27 cites·5 claims
- 1460US4715964AMethod for filtering contaminated liquidsHENRY FILTERS INC·Filed 1986·Granted Dec 29, 1987·23 cites·6 claims
- 1560US4467633ATrough, manufacturing process, and apparatusHENRY FILTERS INC·Filed 1983·Granted Aug 28, 1984·16 cites·12 claims
- 1658US5961847AFilter apparatus with dual drive loopsHENRY FILTERS INC·Filed 1997·Granted Oct 5, 1999·27 cites·20 claims
- 1755US4761226AContinuously operable power actuated vacuum filterHENRY FILTERS INC·Filed 1986·Granted Aug 2, 1988·18 cites·4 claims
- 1854US5154584APump for filtration systemsHENRY FILTERS INC·Filed 1990·Granted Oct 13, 1992·18 cites·36 claims
- 1954US4428838ATubular filter structureHENRY FILTERS INC·Filed 1982·Granted Jan 31, 1984·18 cites·12 claims
- 2053US5637213AImmersible filter drum unit and method for assembling thereofHENRY FILTERS INC·Filed 1994·Granted Jun 10, 1997·16 cites·17 claims
- 2151US5582740AMachine tool coolant filtering system for segregating different contaminantsHENRY FILTERS INC·Filed 1995·Granted Dec 10, 1996·16 cites·4 claims
- 2245US6629814B2Low profile pumpHENRY FILTERS INC·Filed 2001·Granted Oct 7, 2003·2 cites·7 claims
- 2345US5158691AFilter apparatus and method for filtering contaminants from machine tool coolantHENRY FILTERS INC·Filed 1990·Granted Oct 27, 1992·13 cites·8 claims
- 2445US5135364APump mounting apparatus for filtration systemHENRY FILTERS INC·Filed 1990·Granted Aug 4, 1992·12 cites·8 claims
- 2544US5985145AShaft mounted gear boxHENRY FILTERS INC·Filed 1998·Granted Nov 16, 1999·9 cites·2 claims
- 2644US4975184AHorizontal removable pump for filtration systemsHENRY FILTERS INC·Filed 1988·Granted Dec 4, 1990·10 cites·30 claims
- 2743US5338443AFilter media tensioning deviceHENRY FILTERS INC·Filed 1992·Granted Aug 16, 1994·11 cites·6 claims
- 2843US5086795ARemovable flushing system for machine tool coolant return system flumesHENRY FILTERS INC·Filed 1989·Granted Feb 11, 1992·7 cites·19 claims
- 2940US5503520APump for filtration systemsHENRY FILTERS INC·Filed 1993·Granted Apr 2, 1996·5 cites·8 claims
- 3040US4919824ARoller/squeezer deliquifierHENRY FILTERS INC·Filed 1988·Granted Apr 24, 1990·6 cites·21 claims
- 3140US4900438APump mounting for a filtration systemHENRY FILTERS INC·Filed 1988·Granted Feb 13, 1990·8 cites·19 claims
- 3240US4507061ACheck valve and pump receptor assemblyHENRY FILTERS INC·Filed 1982·Granted Mar 26, 1985·9 cites·10 claims
- 3340US2002050472A1Differential pressure filtering system having a cylindrical drum with dome-shaped endsHENRY FILTERS INC·Filed 2001·Application pending·0 cites
- 3438US5961828ACompact drive system utilizing gear box with worm and cycloidal gearsHENRY FILTERS INC·Filed 1997·Granted Oct 5, 1999·8 cites·7 claims
- 3533US5344556AFilter media rewinding mechanismHENRY FILTERS INC·Filed 1993·Granted Sep 6, 1994·4 cites·8 claims
- 3633US4746444APrevention of chip build-up in filtration equipmentHENRY FILTERS INC·Filed 1987·Granted May 24, 1988·5 cites·6 claims
- 3727US5330648AFilter media hold down mechanismHENRY FILTERS INC·Filed 1992·Granted Jul 19, 1994·3 cites·5 claims
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