Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Craig D. Marriott — 35 Patents

General Motors: 34 patents #299 of 18,328Top 2%
WPWestport Power: 2 patents #42 of 146Top 30%
WARF: 1 patents #1,912 of 4,123Top 50%
Clawson, MI: #2 of 224 inventorsTop 1%
Michigan: #1,712 of 86,293 inventorsTop 2%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
Craig D. Marriott has been granted 35 US patents while listed as an inventor at General Motors. The first was granted in 2000 and the most recent in March 2018. Craig D. Marriott ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list Craig D. Marriott in Clawson, MI, US.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9909513 Fuel system protection in a multi-fuel system internal combustion engine Raymond Bzymek, Mark E. Dunn, Ning Wu, Dehong Zhang, Joshua D. Cowgill +1 more 2018-03-06 $6,613,000
9476367 Fuel system protection in a multi-fuel engine Mark E. Dunn, Ning Wu, Dehong Zhang, Raymond Bzymek, Joshua D. Cowgill +1 more 2016-10-25 $2,132,000
9303605 System and method for circulating fuel through a direct injection pump of a bi-fuel engine Ben W. Moscherosch 2016-04-05 $8,155,000
9284894 Reduced torque variation for engines with active fuel management Hatem Zakaria Orban, Robert S. McAlpine, Dustin Loveland 2016-03-15 $9,148,000
9097224 Multi-fuel vehicle fuel control systems and methods Ben W. Moscherosch, Joshua D. Cowgill 2015-08-04 $6,630,000
8868269 System and method for increasing operating efficiency of a hybrid vehicle Scot A. Douglas 2014-10-21 $6,417,000
8839750 System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems Daniel G. Brennan, Joel Cowgill, Matthew A. Wiles, Kenneth James Patton 2014-09-23 $10,186,000
8798891 System and method for increasing operating efficiency of a hybrid vehicle Ben W. Moscherosch 2014-08-05 $6,080,000
8775054 Cold start engine control systems and methods Ricardo Vincenzi, Bruce F. Hunter, Joshua D. Cowgill, Claudio Engler Pinto 2014-07-08 $6,643,000
8752519 Air assist start stop methods and systems Hamid Vahabzadeh 2014-06-17 $14,859,000
8631688 System and method for detecting a fault in a pressure sensor that measures pressure in a hydraulic valve actuation system Allen B. Rayl, Daniel G. Brennan 2014-01-21 $6,033,000
8590507 Variable valve actuation control systems and methods Matthew A. Wiles 2013-11-26 $10,320,000
8534263 Bi-fuel engine including system and method for reducing component temperature Uwe Dieter Grebe 2013-09-17 $7,783,000
8478476 System for detecting operating errors in a variable valve timing engine using pressure sensors Matthew A. Wiles 2013-07-02 $9,607,000
8453619 Hydraulic engine valve actuation system including independent feedback control 2013-06-04 $10,352,000
8096275 Camshaft having a tuned mass damper Hong Wai Nguyen, Ronald J. Pierik 2012-01-17 $7,691,000
8074614 Integrated hydraulic cooler and return rail in camless cylinder head Timothy L. Neal, Jeff L. Swain, Miguel Angelo Raimao 2011-12-13 $22,197,000
8061318 Method and apparatus for continuously variable differential phasing of engine valve operation David Cleary, Paul M. Najt, Junseok Chang 2011-11-22 $8,872,000
8047065 Diagnostic system for valve actuation camshaft driven component compensation Kenneth J. Cinpinski, Andrew P. Bagnasco, Ronald J. Pierik 2011-11-01 $4,328,000
7931008 Systems and methods for detecting failed injection events Douglas R. Verner, Kenneth J. Buslepp 2011-04-26 $23,068,000
7891329 Compact lash adjuster feed channel apparatus Timothy L. Neal, Vimesh M. Patel 2011-02-22 $10,278,000
7849839 Pre-heating fuel for cold start 2010-12-14
7832374 Fuel pressure amplifier Douglas R. Verner, Kenneth J. Buslepp, Jeff L. Swain 2010-11-16
7685976 Induction tuning using multiple intake valve lift events 2010-03-30
7677155 Statically sealed high pressure fuel pump and method Karl J. Kreder, III 2010-03-16