Inventor · disambiguated record
Karl R. Gilgenbach
Also filed as: GILGENBACH KARL R
7 granted patents·1 pending application·15 citations·filing 2008–2021
77Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC3GM GLOBAL TECH OPERATIONS INC2NOONCHESTER JOSEPH J1SPIX THOMAS A1ZHENG LIYUN1
Top patents by PatentIndex Score
8 records- 0179US9659414B2Control methodology for wireless fluid level sensorGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted May 23, 2017·4 cites·12 claims
- 0276US8904988B1Vertically disposed oil pan baffleGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Dec 9, 2014·4 cites·18 claims
- 0369US8007248B2Engine speed dependent oil pump pressure regulationGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Aug 30, 2011·5 cites·13 claims
- 0458US8474415B2Internally dampened pressure relief valveNOONCHESTER JOSEPH J·Filed 2011·Granted Jul 2, 2013·2 cites·18 claims
- 0549US9810217B2Vehicle and a method of reducing sound produced by a liquid fluid pumpGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Nov 7, 2017·0 cites·20 claims
- 0642US11339694B1Oil level indicator tubeGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted May 24, 2022·0 cites·17 claims
- 0742US2012318799A1Drainable container system and weld nut thereofSPIX THOMAS A·Filed 2011·Application pending·0 cites
- 0836US8720409B2Oil squirter with damping ventZHENG LIYUN·Filed 2012·Granted May 13, 2014·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →