Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Douglas Cryer — 16 Patents

GE: 16 patents #1,876 of 36,430Top 6%
Erie, PA: #43 of 1,097 inventorsTop 4%
Pennsylvania: #4,567 of 74,527 inventorsTop 7%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Robert Douglas Cryer has been granted 16 US patents while listed as an inventor at GE. The first was granted in 1995 and the most recent in July 2019. Robert Douglas Cryer ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Robert Douglas Cryer in Erie, PA, US.

Patents per Year

Patents granted per year, 1995 to 2019Bar chart with a peak of 3 patents in 2006.peak 31995: 1 patents19952001: 2 patents2002: 1 patents20022003: 1 patents2005: 2 patents20052006: 3 patents2007: 1 patents20072010: 1 patents2015: 2 patents20152017: 1 patents2019: 1 patents2019

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10358035 System and method for powering a hydraulic pump George Wnukoski, David Kamensky, Ramesh Krishnan, William Halli, Alexey Gaev +2 more 2019-07-23 $28,108,000
9579980 System and method for powering a hydraulic pump George Wnukoski, David Kamensky, Ramesh Krishnan, William Halli, Alexey Gaev +2 more 2017-02-28 $17,767,000
8997904 System and method for powering a hydraulic pump George Wnukoski, David Kamensky, Ramesh Krishnan, William Halli, Alexey Gaev +2 more 2015-04-07 $14,555,000
8985555 Drive assembly and apparatus for hoist Allen Randolph, Donald Brian Cooper, George Wnukoski, Mark L. Cooksey, Ernesto Camilo Rivera 2015-03-24 $10,900,000
7756717 Lubricant management method for a vehicle Bhupinder Dayal, John Kralik, Keith A. Condran, Thomas Charles Sonney 2010-07-13 $24,008,000
7165442 Method of detecting a water leak in a locomotive Thomas C. Sonney, Manoj Kumar, William Joseph Ruprecht, III, Charles Joseph Waugaman, Matthew Lee Swedberg +2 more 2007-01-23 $69,085,000
7051715 Apparatus and method for suppressing diesel engine emissions Gong Chen, Bertrand Dahung Hsu 2006-05-30 $23,397,000
6996467 System and process for detection of weak or non-functioning cylinders in engines Cecil Daniel, Laurence Richard Handler, Dario Patricio Escobar, James Kostrubanic, Rocco Volpe, Jr. +2 more 2006-02-07 $36,758,000
6985803 System and method for monitoring the condition of a vehicle Aiman A. Abdel-Malek, Steven Hector Azzaro, Robert Arvin Hedeen, Larry R. Handler, Cecil Daniel 2006-01-10 $38,377,000
6931352 System and method for monitoring the condition of a heat exchange unit Charles Joseph Waugaman, Lance Stewart, Dario Patrico Escobar, Manoj Kumar, Laurence Richard Handler +1 more 2005-08-16 $40,619,000
6889133 System and process for detection of weak or non-functioning cylinders in engines Cecil Daniel, Laurence Richard Handler, Dario Patricio Escobar, James Kostrubanic, Rocco Volpe, Jr. +2 more 2005-05-03 $24,103,000
6535810 System and process for detection of weak cylinders in a diesel engine Rocco Volpe, Jr., James Kostrubanic, Ajith Kuttannair Kumar, Vince Dunsworth 2003-03-18 $50,547,000
6349706 High injection rate, decreased injection duration diesel engine fuel system Bertrand Dahung Hsu, Gong Chen 2002-02-26 $92,364,000
6325044 Apparatus and method for suppressing diesel engine emissions Gong Chen, Bertrand Dahung Hsu 2001-12-04 $105,237,000
6286479 Method and system for predictably assessing performance of a fuel pump in a locomotive Sagar Arvindbhai Patel, Shawn Gallagher 2001-09-11
5394851 Electronic fuel injection system for large compression ignition engine Benjamin E. Bulkley, Dale LaPlante, James Martin Anderton Askew, Alan G. Jones, Andrew Lilley +5 more 1995-03-07 $25,036,000