Inventor · disambiguated record
Christopher R. Irgens
Also filed as: IRGENS CHRISTOPHER · IRGENS CHRISTOPHER R
17 granted patents·5 pending applications·232 citations·filing 1988–2020
94Inventor score
Files withMASTER LOCK CO7OUTBOARD MARINE CORP7CENTURY PRODUCTS INC1FICHT GMBH & CO KG1IRGENS CHRISTOPHER1
Top patents by PatentIndex Score
22 records- 0188US6854302B2Pneumatic tool lockMASTER LOCK CO·Filed 2002·Granted Feb 15, 2005·38 cites·11 claims
- 0284US6865914B2Threaded member lockMASTER LOCK CO·Filed 2002·Granted Mar 15, 2005·28 cites·26 claims
- 0383US5661895AMethod of controlling the magnetic gap length and the initial stroke length of a pressure surge fuel pumpOUTBOARD MARINE CORPORATIN·Filed 1995·Granted Sep 2, 1997·50 cites·8 claims
- 0476US4986942AMethod for forming ported cylinder sleeve liner foam patternOUTBOARD MARINE CORP·Filed 1988·Granted Jan 22, 1991·15 cites·3 claims
- 0572US9897329B2Cooktop with downdraft ventilatorSOSSO PETER F·Filed 2012·Granted Feb 20, 2018·5 cites·22 claims
- 0663US5608369AMagnetic gap constructionOUTBOARD MARINE CORP·Filed 1995·Granted Mar 4, 1997·21 cites·9 claims
- 0760US7273223B2Trailer hitch ballMASTER LOCK CO·Filed 2004·Granted Sep 25, 2007·12 cites·11 claims
- 0858US10119707B2Telescoping downdraft ventilator alignment assemblyWESTERN IND INC·Filed 2014·Granted Nov 6, 2018·0 cites·19 claims
- 0953US2010117038A1Foot-Operated Hydraulic Lift for TrailerPINNELL III AUBREY BENJAMIN·Filed 2009·Application pending·0 cites
- 1052US6846002B2Hitch ball lockMASTER LOCK CO·Filed 2002·Granted Jan 25, 2005·8 cites·13 claims
- 1150US7267355B2Anti-rotational hitch ballMASTER LOCK CO·Filed 2004·Granted Sep 11, 2007·6 cites·11 claims
- 1248US6026792AMethod of operating a fuel injected engineOUTBOARD MARINE CORP·Filed 1997·Granted Feb 22, 2000·9 cites·9 claims
- 1348US5779454ACombined pressure surge fuel pump and nozzle assemblyFICHT GMBH & CO KG·Filed 1995·Granted Jul 14, 1998·13 cites·74 claims
- 1447US5639062AModified heel valve constructionOUTBOARD MARINE CORP·Filed 1995·Granted Jun 17, 1997·12 cites·6 claims
- 1547US2006279067A1Anti-rotational hitch ballMASTER LOCK CO·Filed 2006·Application pending·0 cites
- 1646US5992016AMethod of controlling the magnetic gap length and the initial stroke length of a pressure surge fuel pumpOUTBOARD MARINE CORP·Filed 1997·Granted Nov 30, 1999·9 cites·2 claims
- 1745US2007056339A1Combination lockIRGENS CHRISTOPHER·Filed 2006·Application pending·0 cites
- 1842US2005001408A1Anti-rotational hitch ballMASTER LOCK CO·Filed 2004·Application pending·0 cites
- 1940US2012174636A1Spin-and-click combination dial lock assemblyROHDE CHRISTOPHER·Filed 2012·Application pending·0 cites
- 2037US5472013AFuel injection nozzleOUTBOARD MARINE CORP·Filed 1994·Granted Dec 5, 1995·6 cites·20 claims
- 2133US11174683B2Tapered joint for securing cone arm in hole openerCENTURY PRODUCTS INC·Filed 2020·Granted Nov 16, 2021·0 cites·19 claims
- 2229US5544673AMethod and arrangement for assembling fuel injection nozzlesOUTBOARD MARINE CORP·Filed 1995·Granted Aug 13, 1996·0 cites·12 claims
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