Inventor · disambiguated record
John D. Vander Ark, Jr.
Also filed as: VANDER ARK JOHN D · VANDER ARK JR JOHN D
4 granted patents·240 citations·filing 1987–1997
82Inventor score
Technology areasB01D
Files withCAPITAL FORMATION INC4
Top patents by PatentIndex Score
4 records- 0191US5569383AFilter with axially and rotatably movable wiperCAPITAL FORMATION INC·Filed 1994·Granted Oct 29, 1996·114 cites·18 claims
- 0286US5527462AFilter with axially movable wiperCAPITAL FORMATION INC·Filed 1994·Granted Jun 18, 1996·68 cites·17 claims
- 0371US5989421ABag filter rim systemCAPITAL FORMATION INC·Filed 1997·Granted Nov 23, 1999·41 cites·28 claims
- 0449US4769136AFilter unit with linked valve actuatorsCAPITAL FORMATION INC·Filed 1987·Granted Sep 6, 1988·17 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →