Inventor · disambiguated record
David L. Waltke
Also filed as: WALTKE DAVID L
11 granted patents·263 citations·filing 1984–1996
91Inventor score
Top patents by PatentIndex Score
11 records- 0185US5746343AFlexible bag for liquids mounted on a frameHOOVER GROUP INC·Filed 1996·Granted May 5, 1998·74 cites·4 claims
- 0280US4648521AComposite metal and plastic tankHOOVER GROUP INC·Filed 1986·Granted Mar 10, 1987·58 cites·2 claims
- 0379USD298450STankHOOVER GROUP INC·Filed 1986·Granted Nov 8, 1988·18 cites·1 claims
- 0460US4785966ASlide gate assemblyHOOVER GROUP INC·Filed 1987·Granted Nov 22, 1988·29 cites·6 claims
- 0555US4921126ALiquid supply system utilizing stacked tanksHOOVER GROUP INC·Filed 1989·Granted May 1, 1990·14 cites·8 claims
- 0653US4932551AComposite tank assemblyHOOVER GROUP INC·Filed 1989·Granted Jun 12, 1990·22 cites·12 claims
- 0752US4605126APallet and tank assemblyHOOVER UNIVERSAL·Filed 1984·Granted Aug 12, 1986·21 cites·1 claims
- 0850US4890756ACylindrical tank with flared upper endHOOVER GROUP INC·Filed 1988·Granted Jan 2, 1990·20 cites·2 claims
- 0941USD320255SPortable bulk storage tankHOOVER GROUP INC·Filed 1989·Granted Sep 24, 1991·3 cites·1 claims
- 1038USD319286SCorrugated valve guardHOOVER GROUP INC·Filed 1988·Granted Aug 20, 1991·3 cites·1 claims
- 1134USD322502SDrumHOOVER GROUP INC·Filed 1988·Granted Dec 17, 1991·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →