Assignee
PUROLATOR PRODUCTS CO
US·20 granted patents·577 citations·filing 1990–1999
Top patents by PatentIndex Score
20 records- 0194US5632793AFilter hose assembly employing a conical filter elementPUROLATOR PRODUCTS CO·Filed 1995·Granted May 27, 1997·65 cites·18 claims
- 0288US5902365AFilter hose assembly employing a conical filter elementPUROLATOR PRODUCTS CO·Filed 1998·Granted May 11, 1999·59 cites·19 claims
- 0384US5782299AParticle control screen assembly for a perforated pipe used in a well, a sand filter system and methods of making the samePUROLATOR PRODUCTS CO·Filed 1996·Granted Jul 21, 1998·50 cites·21 claims
- 0482US5899271AParticle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making the samePUROLATOR PRODUCTS CO·Filed 1998·Granted May 4, 1999·45 cites·20 claims
- 0580US6068763ASpin-on oil filter with replaceable elementPUROLATOR PRODUCTS CO·Filed 1997·Granted May 30, 2000·94 cites·13 claims
- 0677US5766289APleated filter element and filtration unitPUROLATOR PRODUCTS CO·Filed 1997·Granted Jun 16, 1998·34 cites·24 claims
- 0773US5937944AParticle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making the samePUROLATOR PRODUCTS CO·Filed 1997·Granted Aug 17, 1999·31 cites·20 claims
- 0865US5632792AAir induction filter hose assemblyPUROLATOR PRODUCTS CO·Filed 1995·Granted May 27, 1997·21 cites·20 claims
- 0960US5607778AMethod of manufacturing a porous metal matPUROLATOR PRODUCTS CO·Filed 1995·Granted Mar 4, 1997·20 cites·18 claims
- 1060US5237882AEngine starter gearing with laminated cushion washersPUROLATOR PRODUCTS CO·Filed 1991·Granted Aug 24, 1993·21 cites·14 claims
- 1157US5967111AArrangement in an oil filter with integral oil coolerPUROLATOR PRODUCTS CO·Filed 1998·Granted Oct 19, 1999·19 cites·10 claims
- 1255US5783076AFuel filter having improved communication with a contaminant containerPUROLATOR PRODUCTS CO·Filed 1997·Granted Jul 21, 1998·19 cites·21 claims
- 1354US5637215AFuel filter having improved communication with a contaminant containerPUROLATOR PRODUCTS CO·Filed 1995·Granted Jun 10, 1997·19 cites·8 claims
- 1451US5050441AEngine starter gearingPUROLATOR PRODUCTS CO·Filed 1990·Granted Sep 24, 1991·16 cites·30 claims
- 1550US6171492B1Filter for liquid fuelPUROLATOR PRODUCTS CO·Filed 1999·Granted Jan 9, 2001·25 cites·10 claims
- 1641US5211091APleat pack cutterPUROLATOR PRODUCTS CO·Filed 1992·Granted May 18, 1993·15 cites·8 claims
- 1736US6022393AAir induction filter hose assemblyPUROLATOR PRODUCTS CO·Filed 1998·Granted Feb 8, 2000·4 cites·13 claims
- 1830US5302225AMethod of joining dissimilar materialsPUROLATOR PRODUCTS CO·Filed 1990·Granted Apr 12, 1994·8 cites·9 claims
- 1928US5632891ASelf venting septums for use in a liquid filtration systemPUROLATOR PRODUCTS CO·Filed 1995·Granted May 27, 1997·7 cites·12 claims
- 2028US5145729AComposite intermediate bonding structuresPUROLATOR PRODUCTS CO·Filed 1991·Granted Sep 8, 1992·5 cites·22 claims
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