Assignee
PNEUMAFIL CORP
US·28 granted patents·656 citations·filing 1975–1996
Top patents by PatentIndex Score
28 records- 0186US4725292ASelf-cleaning filterPNEUMAFIL CORP·Filed 1984·Granted Feb 16, 1988·49 cites·35 claims
- 0283US3951627AAir filtering apparatusPNEUMAFIL CORP·Filed 1975·Granted Apr 20, 1976·63 cites·8 claims
- 0382US5062872AAir filter with horizontal filter elementsPNEUMAFIL CORP·Filed 1989·Granted Nov 5, 1991·49 cites·14 claims
- 0478US5061303ASnap-in filter unitPNEUMAFIL CORP·Filed 1989·Granted Oct 29, 1991·45 cites·9 claims
- 0576US5217512AApparatus for filtering debris from a moving airstreamPNEUMAFIL CORP·Filed 1992·Granted Jun 8, 1993·41 cites·9 claims
- 0675US5116395ADust collection with programmable cleaning air controlPNEUMAFIL CORP·Filed 1991·Granted May 26, 1992·41 cites·19 claims
- 0774US5321942AMethod and apparatus for directing conditioned air to a spinning machinePNEUMAFIL CORP·Filed 1992·Granted Jun 21, 1994·12 cites·1 claims
- 0873US5346519AFilter media constructionPNEUMAFIL CORP·Filed 1993·Granted Sep 13, 1994·36 cites·3 claims
- 0971US5560835APleated belt filter with suction means to remove debrisPNEUMAFIL CORP·Filed 1995·Granted Oct 1, 1996·39 cites·14 claims
- 1071US4857090AEnergy conservation system for cooling and conditioning airPNEUMAFIL CORP·Filed 1988·Granted Aug 15, 1989·37 cites·9 claims
- 1169US5326511AMethod for forming compressible material into discrete solid blocksPNEUMAFIL CORP·Filed 1992·Granted Jul 5, 1994·17 cites·6 claims
- 1268US4256130APneumatic valve control for textile machinery blowdownPNEUMAFIL CORP·Filed 1978·Granted Mar 17, 1981·24 cites·6 claims
- 1362US5575143AAir directing apparatus for use with textile machines and the likePNEUMAFIL CORP·Filed 1995·Granted Nov 19, 1996·7 cites·6 claims
- 1462US5110331ADust collector with re-entrainment prevention wallsPNEUMAFIL CORP·Filed 1991·Granted May 5, 1992·25 cites·18 claims
- 1560US5906752ASelf-cleaning belt filter with edge sealing means and methodPNEUMAFIL CORP·Filed 1996·Granted May 25, 1999·26 cites·6 claims
- 1659US4318721ACotton gin filterPNEUMAFIL CORP·Filed 1980·Granted Mar 9, 1982·12 cites·3 claims
- 1754US4895581ATwo stage air filtration systemPNEUMAFIL CORP·Filed 1989·Granted Jan 23, 1990·20 cites·9 claims
- 1854US4502874AContinuous filtrationPNEUMAFIL CORP·Filed 1982·Granted Mar 5, 1985·23 cites·3 claims
- 1952US5582846AApparatus for forming compressible material into discrete solid blocksPNEUMAFIL CORP·Filed 1994·Granted Dec 10, 1996·10 cites·6 claims
- 2049US4208762ARotating coiler cleanerPNEUMAFIL CORP·Filed 1979·Granted Jun 24, 1980·8 cites·6 claims
- 2144US5584913ADust collector with two stage self-cleaning of filter elementsPNEUMAFIL CORP·Filed 1994·Granted Dec 17, 1996·11 cites·17 claims
- 2242US5505385ALaminar air diffuserPNEUMAFIL CORP·Filed 1994·Granted Apr 9, 1996·15 cites·7 claims
- 2342US5000767ADust collector with pneumatic sealPNEUMAFIL CORP·Filed 1990·Granted Mar 19, 1991·12 cites·7 claims
- 2441US4878926ADust collectorPNEUMAFIL CORP·Filed 1988·Granted Nov 7, 1989·17 cites·6 claims
- 2535US5490392AHeat transfer method and apparatusPNEUMAFIL CORP·Filed 1994·Granted Feb 13, 1996·6 cites·19 claims
- 2635US4283814AMethod and apparatus for coiler head cleaningPNEUMAFIL CORP·Filed 1979·Granted Aug 18, 1981·5 cites·17 claims
- 2730US5730767ASealing apparatus in a belt-type filterPNEUMAFIL CORP·Filed 1996·Granted Mar 24, 1998·2 cites·4 claims
- 2825US4298361ARotary drum filter stripper nozzle mountingPNEUMAFIL CORP·Filed 1980·Granted Nov 3, 1981·4 cites·8 claims
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