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USPTO Patent Rankings Data through Dec 31, 2025
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Steven Kennedy — 16 Patents

AMAmoco: 6 patents #116 of 1,251Top 10%
UNUnknown: 4 patents #4,220 of 83,584Top 6%
ExxonMobil: 4 patents #2,519 of 10,161Top 25%
KCKaiser Aluminum & Chemical: 1 patents #33 of 123Top 30%
West Chester, PA: #111 of 1,305 inventorsTop 9%
Pennsylvania: #4,567 of 74,527 inventorsTop 7%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Steven Kennedy has been granted 16 US patents while listed as an inventor at Amoco. The first was granted in 1987 and the most recent in August 2020. Steven Kennedy ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Steven Kennedy in West Chester, PA, US.

Patents per Year

Patents granted per year, 1987 to 2020Bar chart with a peak of 3 patents in 1988.peak 31987: 1 patents19871988: 3 patents1989: 1 patents19891992: 1 patents1998: 1 patents19981999: 2 patents2001: 1 patents20012010: 1 patents2011: 2 patents20112013: 1 patents2019: 1 patents20192020: 1 patents2020

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10738262 Lubricating oil compositions with engine wear protection Candice Pelligra, Smruti A. Dance, Douglas E. Deckman 2020-08-11 $114,602,000
10458830 Method for improving fuel economy test precision in on-road vehicles Zhisheng Gao, Steven M. Jetter, Riccardo Conti, Arthur T. Andrews, Aparna Subramanian +1 more 2019-10-29 $102,466,000
8367593 Method for improving the resistance to one or more of corrosion, oxidation, sludge and deposit formation of lubricating oil compositions for biodiesel fueled engines Ramesh Varadaraj, Jacob J. Habeeb, Brandon T. Weldon, Steven M. Jetter, William J. Golumbfskie 2013-02-05 $138,582,000
7966988 Method for controlling soot induced lubricant viscosity increase Brandon T. Weldon, Riccardo Conti, Jeffrey R. Torkelson 2011-06-28 $382,135,000
7909415 Locking hydraulic brake system John E. Weber 2011-03-22
7726747 Locking hydraulic brake system John E. Weber 2010-06-01
6193258 Swiveling trailer hitch alignment and lifting device with multiple pivoting points 2001-02-27
5938867 Method of manufacturing aluminum aircraft sheet Ralph C. Dorward 1999-08-17 $11,294,000
5882029 Trailer hitch alignment and lifting device 1999-03-16
5709112 Tamperproof locking and latching mechanism for rotatable controls 1998-01-20
5114603 Friction reducing lubricating oil composition David W. Eggerding, Lionel D. Moore 1992-05-19 $13,617,000
4820431 Railway lubricating oil 1989-04-11 $11,347,000
4767551 Metal-containing lubricant compositions Mack W. Hunt 1988-08-30 $11,639,000
4764296 Railway lubricating oil 1988-08-16 $22,705,000
4734211 Railway lubricating oil 1988-03-29 $47,714,000
4664822 Metal-containing lubricant compositions Mack W. Hunt 1987-05-12 $23,174,000