Inventor · disambiguated record
Michael A. Karr, Jr.
Also filed as: KARR JR MICHAEL A · KARR MICHAEL
13 granted patents·650 citations·filing 1974–2002
94Inventor score
Top patents by PatentIndex Score
13 records- 0195US6691898B2Push button foam dispensing deviceFOMO PRODUCTS INC·Filed 2002·Granted Feb 17, 2004·126 cites·57 claims
- 0291US4452462ATemperature resistant joint packing with E-shaped spring sealGRAY TOOL CO·Filed 1983·Granted Jun 5, 1984·73 cites·10 claims
- 0390US6123649AResistance apparatus for connection to a human bodyFiled 1999·Granted Sep 26, 2000·163 cites·9 claims
- 0485US4569503AValve with remote and manual actuation meansGRAY TOOL CO·Filed 1985·Granted Feb 11, 1986·46 cites·4 claims
- 0580US4612983AShear type gate valveGRAY TOOL CO·Filed 1985·Granted Sep 23, 1986·61 cites·6 claims
- 0663US5927229AVisual aid system for the hitch attachment of a motor vehicle to a trailerFiled 1998·Granted Jul 27, 1999·28 cites·4 claims
- 0763US4570659AFire resistant valveGRAY TOOL CO·Filed 1983·Granted Feb 18, 1986·20 cites·3 claims
- 0859US5657751ACardiopulmonary resuscitation unitFiled 1993·Granted Aug 19, 1997·93 cites·19 claims
- 0943US4534235ARotary stepper actuatorGRAY TOOL CO·Filed 1983·Granted Aug 13, 1985·11 cites·24 claims
- 1041US3952994AThrottling and shut-off valveKARR JR MICHAEL A·Filed 1974·Granted Apr 27, 1976·7 cites·6 claims
- 1139US4436316AFluid sealKARR JR MICHAEL A·Filed 1982·Granted Mar 13, 1984·7 cites·7 claims
- 1237US4643390AFail-safe valve actuatorGRAY TOOL CO·Filed 1985·Granted Feb 17, 1987·9 cites·5 claims
- 1332US4477085AFire resistant connections embodying heat transfer meansGRAY TOOL·Filed 1983·Granted Oct 16, 1984·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →