Inventor · disambiguated record
Randall S. Beikmann
Also filed as: BEIKMANN RANDALL S
14 granted patents·121 citations·filing 2001–2019
91Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC7GM GLOBAL TECH OPERATIONS INC3TULA TECHNOLOGY INC2GEN MOTORS CORP1ROBINETTE DARRELL LEE1
Top patents by PatentIndex Score
14 records- 0197US10247121B2Method and apparatus for determining optimum skip fire firing profileTULA TECHNOLOGY INC·Filed 2015·Granted Apr 2, 2019·24 cites·25 claims
- 0296US9140622B2System and method for controlling a firing sequence of an engine to reduce vibration when cylinders of the engine are deactivatedGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Sep 22, 2015·24 cites·20 claims
- 0389US9458778B2Cylinder activation and deactivation control systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Oct 4, 2016·8 cites·18 claims
- 0489US9458780B2Systems and methods for controlling cylinder deactivation periods and patternsGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Oct 4, 2016·9 cites·16 claims
- 0589US8256562B2Powertrain having multi-stage damperROBINETTE DARRELL LEE·Filed 2009·Granted Sep 4, 2012·17 cites·25 claims
- 0686US9416743B2Cylinder activation/deactivation sequence control systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Aug 16, 2016·7 cites·16 claims
- 0785US9726139B2System and method for controlling a firing sequence of an engine to reduce vibration when cylinders of the engine are deactivatedGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Aug 8, 2017·6 cites·24 claims
- 0883US7219642B1Powertrain assembly and integral truss oil pan thereforGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 22, 2007·15 cites·10 claims
- 0981US9239024B2Recursive firing pattern algorithm for variable cylinder deactivation in transient operationGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jan 19, 2016·5 cites·20 claims
- 1065US10941722B2Method and apparatus for determining optimum skip fire firing profileTULA TECHNOLOGY INC·Filed 2019·Granted Mar 9, 2021·0 cites·20 claims
- 1165US9556811B2Firing pattern management for improved transient vibration in variable cylinder deactivation modeGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Jan 31, 2017·2 cites·14 claims
- 1259US9599047B2Combination cylinder state and transmission gear control systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Mar 21, 2017·1 cites·20 claims
- 1351US9828921B2External vehicle sound field enhancementGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Nov 28, 2017·0 cites·15 claims
- 1439US6886519B2Methods and apparatus for controlling a shutdown of an internal combustion engineGEN MOTORS CORP·Filed 2001·Granted May 3, 2005·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →