Inventor · disambiguated record
James W. Groff
Also filed as: GROFF JAMES · GROFF JAMES W · GROFF JAMES WILSON · GROFF SR JAMES
11 granted patents·352 citations·filing 1975–2021
91Inventor score
Top patents by PatentIndex Score
11 records- 0188US4493655ARadio-controlled teaching deviceGROFF JAMES W·Filed 1983·Granted Jan 15, 1985·60 cites·12 claims
- 0287US4446334ATelephone number coding deviceGROFF JAMES W·Filed 1983·Granted May 1, 1984·64 cites·16 claims
- 0386US11122812B1Adjustable shrimp processing equipmentJONSSON GREGOR INC·Filed 2020·Granted Sep 21, 2021·2 cites·22 claims
- 0486US4949944AModel airplane jigGROFF SR JAMES·Filed 1989·Granted Aug 21, 1990·51 cites·16 claims
- 0585US4586905AComputer-assisted audio/visual teaching systemGROFF JAMES W·Filed 1985·Granted May 6, 1986·90 cites·12 claims
- 0681US9833005B1Timing device for shrimp processing equipmentJONSSON GREGOR INC·Filed 2017·Granted Dec 5, 2017·3 cites·24 claims
- 0781US4405839ATimed telephone ring silencer deviceGROFF JAMES W·Filed 1982·Granted Sep 20, 1983·39 cites·4 claims
- 0861US4346374AClassroom noise alarmGROFF JAMES W·Filed 1981·Granted Aug 24, 1982·22 cites·4 claims
- 0958US11457640B2Shrimp processing equipment having decapitation systemJONSSON GREGOR INC·Filed 2021·Granted Oct 4, 2022·0 cites·20 claims
- 1047US4654642ATamperproof classroom noise alarmGROFF JAMES W·Filed 1985·Granted Mar 31, 1987·16 cites·12 claims
- 1133US4035929ATeaching machineGROFF JAMES WILSON·Filed 1975·Granted Jul 19, 1977·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →