Inventor · disambiguated record
Joseph R. Perkins
Also filed as: PERKINS III JOSEPH R · PERKINS JOSEPH R
5 granted patents·176 citations·filing 1975–1990
84Inventor score
Top patents by PatentIndex Score
5 records- 0189US3981590AOptical system to optimize field of view uniformity in a multi-color produce sorterAMF INC·Filed 1975·Granted Sep 21, 1976·56 cites·9 claims
- 0286US4150287AOptical system for use with color sorter or graderAMF INC·Filed 1978·Granted Apr 17, 1979·43 cites·15 claims
- 0372USD328875SInfrared detector mirrorC & K SYSTEMS INC·Filed 1990·Granted Aug 25, 1992·17 cites·1 claims
- 0469US4314645AMechanical rejection system for automatic sorting machinesSORTEX NORTH AMERICA·Filed 1980·Granted Feb 9, 1982·24 cites·7 claims
- 0564US5089704AWide angle ceiling mounted passive infrared intrusion detection systemC & K SYSTEMS INC·Filed 1990·Granted Feb 18, 1992·36 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →