Inventor · disambiguated record
Theodorus Gerhardus Potma
Also filed as: POTMA THEODORUS G · POTMA THEODORUS GERHARDUS
14 granted patents·1 pending application·317 citations·filing 1974–2005
93Inventor score
Top patents by PatentIndex Score
15 records- 0187US5556262AFree-piston engine having a fluid energy unitINNAS FREE PISTON BV·Filed 1992·Granted Sep 17, 1996·63 cites·6 claims
- 0286US5829393AFree-piston engineINNAS FREE PISTON BV·Filed 1995·Granted Nov 3, 1998·64 cites·4 claims
- 0380US5540193AMethod for the cold start of a free-piston engine; and free-piston engine adapted for use of this methodINNAS FREE PISTON BV·Filed 1992·Granted Jul 30, 1996·38 cites·8 claims
- 0477US5482445AFree-piston engine having a slidable ring for moving the pistonINNAS FREE PISTON BV·Filed 1992·Granted Jan 9, 1996·33 cites·9 claims
- 0577US5473893AFree-piston engine having a fluid pressure unitINNAS FREE PISTON BV·Filed 1992·Granted Dec 12, 1995·34 cites·8 claims
- 0666US4088256ADevice for printing dataPHILIPS CORP·Filed 1976·Granted May 9, 1978·15 cites·9 claims
- 0762US5983638AHydraulic switching valve, and a free piston engine provided therewithINNAS FREE PISTON BV·Filed 1995·Granted Nov 16, 1999·22 cites·5 claims
- 0862US3967714AMatrix printer having detachable elementsPHILIPS CORP·Filed 1974·Granted Jul 6, 1976·16 cites·6 claims
- 0958US4014425ARecording element for a matrix printerPHILIPS CORP·Filed 1975·Granted Mar 29, 1977·9 cites·4 claims
- 1056US3993181AMatrix printer incorporating intermittent ink ribbon transportPHILIPS CORP·Filed 1975·Granted Nov 23, 1976·9 cites·6 claims
- 1151US6676403B2Self extinguishing and self cleaning candle holderFiled 2001·Granted Jan 13, 2004·3 cites·19 claims
- 1249US3999644APrinting device comprising recording pinsPHILIPS CORP·Filed 1975·Granted Dec 28, 1976·7 cites·9 claims
- 1336US2007275802A1Drive For (Semi-) Continuous Drives Having An Endless BeltPOTMA BEHEER B V T·Filed 2005·Application pending·0 cites
- 1431US5608581ARear view apparatusFiled 1992·Granted Mar 4, 1997·4 cites·35 claims
- 1525US6443419B1Fast working hydraulic valvePOTMA BEHEER B V T·Filed 1999·Granted Sep 3, 2002·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →