Inventor · disambiguated record
John R. Foster
Also filed as: FOSTER JOHN · FOSTER JOHN R · FOSTER JOHN STUART
17 granted patents·1 pending application·298 citations·filing 1978–2011
94Inventor score
Top patents by PatentIndex Score
18 records- 0193US4305612AApparatus for operating a door latching and unlatching deviceVON DUPRIN INC·Filed 1978·Granted Dec 15, 1981·62 cites·4 claims
- 0291US6625925B1Landscape edgingFiled 2001·Granted Sep 30, 2003·45 cites·20 claims
- 0386USD472984SInterconnectable landscape edging moduleFiled 2002·Granted Apr 8, 2003·27 cites·1 claims
- 0483US7505241B2Transient voltage surge suppression deviceLITTELFUSE IRELAND LTD·Filed 2007·Granted Mar 17, 2009·14 cites·22 claims
- 0578US4427223ALatching deviceVON DUPRIN INC·Filed 1981·Granted Jan 24, 1984·40 cites·12 claims
- 0673USD463868SInterconnectable landscape edging moduleFiled 2002·Granted Oct 1, 2002·15 cites·1 claims
- 0772USD455504SInterconnectable landscape edging moduleFiled 2001·Granted Apr 9, 2002·14 cites·1 claims
- 0866US7155791B1Connecting rod cap separator systemFOSTER JOHN R·Filed 2004·Granted Jan 2, 2007·13 cites·4 claims
- 0963US6421930B1Piston ring locating systemFiled 2000·Granted Jul 23, 2002·12 cites·12 claims
- 1055US6427301B1Piston ring compressor tool systemFiled 2000·Granted Aug 6, 2002·6 cites·6 claims
- 1152US5749774AValve refacing toolFiled 1996·Granted May 12, 1998·13 cites·2 claims
- 1252US4466643ADogging device, method of forming the same, and an adapter kit thereforVON DUPRIN INC·Filed 1981·Granted Aug 21, 1984·17 cites·12 claims
- 1344US6042456ASuction operated valve resurfacing tool and associated methodFiled 1999·Granted Mar 28, 2000·12 cites·11 claims
- 1443US6470781B2Lifter bore groover toolFiled 2000·Granted Oct 29, 2002·0 cites·3 claims
- 1535US9389004B1Cavitation heater systemFOSTER JOHN R·Filed 2011·Granted Jul 12, 2016·0 cites·8 claims
- 1635US5882250AValve refacing toolFiled 1997·Granted Mar 16, 1999·7 cites·8 claims
- 1734US2002117938A1Parametric wave amplifier using plate modesFiled 2001·Application pending·0 cites
- 1821US4401330AMeans for, and a method of, securing a closureVON DUPRIN INC·Filed 1981·Granted Aug 30, 1983·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →