Inventor · disambiguated record
John F. Church
Also filed as: CHURCH JOHN · CHURCH JOHN F
10 granted patents·576 citations·filing 1984–2005
93Inventor score
Top patents by PatentIndex Score
10 records- 0195US4619764ARepelling-action filter unit and assemblyPARKER HANNIFIN CORP·Filed 1984·Granted Oct 28, 1986·95 cites·28 claims
- 0292US4836923ACartridge and cover assembly for fluid filtersPARKER HANNIFIN CORP·Filed 1987·Granted Jun 6, 1989·81 cites·10 claims
- 0392US4740299AFilter assembly with threaded collection bowlPARKER HANNIFIN CORP·Filed 1986·Granted Apr 26, 1988·82 cites·13 claims
- 0489US4692245AFilter assembly with high pressure connection to collection bowlPARKER HANNIFIN CORP·Filed 1985·Granted Sep 8, 1987·73 cites·4 claims
- 0588US4997555AFuel filter assembly with heaterPARKER HANNIFIN CORP·Filed 1989·Granted Mar 5, 1991·80 cites·20 claims
- 0686US5244571AFuel filter assembly with heaterPARKER HANNIFIN CORP·Filed 1991·Granted Sep 14, 1993·66 cites·15 claims
- 0781US7357867B2Filter element for keyed latch valvePARKER INTANGIBLES LLC·Filed 2005·Granted Apr 15, 2008·7 cites·46 claims
- 0879US4855041AFluid filter drain assemblyPARKER HANNIFIN CORP·Filed 1987·Granted Aug 8, 1989·51 cites·28 claims
- 0968US5386843AVenting apparatus and system for marine craft fuel tankPARKER HANNIFIN CORP·Filed 1994·Granted Feb 7, 1995·28 cites·30 claims
- 1042US4976285AUniversal self-venting drain valvePARKER HANNIFIN CORP·Filed 1990·Granted Dec 11, 1990·13 cites·21 claims
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