Inventor · disambiguated record
Rudolph Bergsma
Also filed as: BERGSMA LEGAL REPRESENTATIVE R · BERGSMA RUDOLPH · SPINK KENNETH M
27 granted patents·4 pending applications·1,309 citations·filing 1982–2012
98Inventor score
Top patents by PatentIndex Score
31 records- 0198US5590697AOnboard vapor recovery system with two-stage shutoff valveGT PROD INC·Filed 1994·Granted Jan 7, 1997·171 cites·2 claims
- 0297US6206057B1Two-stage ORVR control valveGT PROD INC·Filed 2000·Granted Mar 27, 2001·66 cites·18 claims
- 0397US5755252AControl valve with two-stage shutoff and peel away opening actionGT PROD INC·Filed 1996·Granted May 26, 1998·79 cites·11 claims
- 0495US5797434AOnboard vapor recovery system with two-stage shutoff valveGT PROD INC·Filed 1996·Granted Aug 25, 1998·61 cites·6 claims
- 0595US5313977AFluid-responsive vent control valve with peel-away opening actionGT PROD INC·Filed 1992·Granted May 24, 1994·131 cites·20 claims
- 0695US4753262AFuel system vent valve having roll-over closure with improved re-opening action for ventingGT PROD INC·Filed 1987·Granted Jun 28, 1988·92 cites·27 claims
- 0794US6062276ATwo-stage ORVR control valveGT PROD INC·Filed 1998·Granted May 16, 2000·50 cites·17 claims
- 0894US5983958AOnboard vapor recovery system with two stage shutoff valveGT PROD INC·Filed 1997·Granted Nov 16, 1999·53 cites·11 claims
- 0993US5960816AAdjustable length vent valve system for fuel tanksGT PROD INC·Filed 1997·Granted Oct 5, 1999·74 cites·13 claims
- 1090US5860458ATwo-stage ORVR control valveGT PROD INC·Filed 1996·Granted Jan 19, 1999·66 cites·4 claims
- 1190US4646772AFuel tank mounted roll-over valveGT PROD INC·Filed 1985·Granted Mar 3, 1987·55 cites·17 claims
- 1288US5605175AFluid responsive vent control valve with peel-away opening actionFiled 1995·Granted Feb 25, 1997·93 cites·10 claims
- 1387US4960153AFuel tank vapor vent valveGT PROD INC·Filed 1989·Granted Oct 2, 1990·47 cites·8 claims
- 1484US4907616ACheck valve assemblyGT PROD INC·Filed 1988·Granted Mar 13, 1990·40 cites·15 claims
- 1578US6851315B2Hermetic fuel level senderRUDOLPH BERGSMA TRUST·Filed 2003·Granted Feb 8, 2005·26 cites·18 claims
- 1678US6085771ATwo-stage fuel tank vapor recovery vent valve and method of making sameEATON CORP·Filed 1998·Granted Jul 11, 2000·53 cites·4 claims
- 1775US5996607AInstalling a fill limiting vent valve in a fuel tankEATON CORP·Filed 1998·Granted Dec 7, 1999·34 cites·8 claims
- 1867US6810862B2Fuel tank vapor relief valve and method of making sameEATON CORP·Filed 2003·Granted Nov 2, 2004·11 cites·26 claims
- 1965US4609796ALiquid level sensing switchHI STAT MICHIGAN MANUFACTURING·Filed 1985·Granted Sep 2, 1986·17 cites·23 claims
- 2060US7146729B2Fuel vapor vent valve and method of attaching same to a tankEATON CORP·Filed 2003·Granted Dec 12, 2006·9 cites·14 claims
- 2159US4718278APressure transducer with improved calibrationHI STAT MANUFACTURING CO INC·Filed 1986·Granted Jan 12, 1988·18 cites·28 claims
- 2256US5954082AApparatus and method for calibrating float valveGT PROD INC·Filed 1997·Granted Sep 21, 1999·17 cites·13 claims
- 2356US5062444AFuel level responsive vapor vent valveGT PROD INC·Filed 1990·Granted Nov 5, 1991·17 cites·4 claims
- 2452US6990862B2Hermetic fuel level sender having tank bottom referencingRUDOLPH BERGSMA TRUST·Filed 2003·Granted Jan 31, 2006·6 cites·10 claims
- 2549US7146730B2Mounting a pass-through on a plastic fuel tankEATON CORP·Filed 2003·Granted Dec 12, 2006·5 cites·9 claims
- 2648US2013055807A1Hermetic fuel level senderBERGSMA ROSEMARY·Filed 2012·Application pending·0 cites
- 2745US2006260129A1Mounting a vent valve on a plastic fuel tankEATON CORP·Filed 2006·Application pending·0 cites
- 2842US4751940ACheck valveGT PROD INC·Filed 1987·Granted Jun 21, 1988·13 cites·7 claims
- 2940US2005139003A1Hermetic fuel level senderGARY D COCHRAN·Filed 2005·Application pending·0 cites
- 3036US2002157706A1Two-stage float operated fuel tank vent valveEATON CORP·Filed 2001·Application pending·0 cites
- 3128US4431981APressure unit assemblyCHRYSLER CORP·Filed 1982·Granted Feb 14, 1984·5 cites·13 claims
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