Inventor · disambiguated record
Clifford D. Haggard
Also filed as: HAGGARD CLIFFORD D
9 granted patents·354 citations·filing 1986–2005
91Inventor score
Files withPUROLATOR PRODUCTS CO5FACET ENTERPRISES1PARKER HANNIFIN CORP1PUROLATOR PRODUCTS INC1PUROLATOR PRODUCTS NA INC1
Top patents by PatentIndex Score
9 records- 0194US7311748B2Air filter assembly system and methodPARKER HANNIFIN CORP·Filed 2005·Granted Dec 25, 2007·55 cites·51 claims
- 0294US5632793AFilter hose assembly employing a conical filter elementPUROLATOR PRODUCTS CO·Filed 1995·Granted May 27, 1997·65 cites·18 claims
- 0390US5522909AAir filter devicePUROLATOR PRODUCTS NA INC·Filed 1994·Granted Jun 4, 1996·85 cites·21 claims
- 0488US5902365AFilter hose assembly employing a conical filter elementPUROLATOR PRODUCTS CO·Filed 1998·Granted May 11, 1999·59 cites·19 claims
- 0577US5766289APleated filter element and filtration unitPUROLATOR PRODUCTS CO·Filed 1997·Granted Jun 16, 1998·34 cites·24 claims
- 0665US5632792AAir induction filter hose assemblyPUROLATOR PRODUCTS CO·Filed 1995·Granted May 27, 1997·21 cites·20 claims
- 0754US4759284ADampener roller apparatusFACET ENTERPRISES·Filed 1986·Granted Jul 26, 1988·16 cites·18 claims
- 0845US5269571AFuel filter retaining clip having rotating flipper portionsPUROLATOR PRODUCTS INC·Filed 1992·Granted Dec 14, 1993·15 cites·5 claims
- 0936US6022393AAir induction filter hose assemblyPUROLATOR PRODUCTS CO·Filed 1998·Granted Feb 8, 2000·4 cites·13 claims
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