Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert C. Kennedy — 5 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Xerox: 1 patents #5,237 of 8,622Top 65%
General Motors: 1 patents #9,441 of 18,328Top 55%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert C. Kennedy has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1996 and the most recent in September 2020. Robert C. Kennedy ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert C. Kennedy in Portsmouth, AB, GB.

Patents per Year

Patents granted per year, 1996 to 2020Bar chart with a peak of 1 patents in 1996.peak 11996: 1 patents19962007: 1 patents20072009: 1 patents20092013: 1 patents20132020: 1 patents2020

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10760654 Variable speed drive system 2020-09-01
8388283 Chip catcher for weld tip dresser Randall H. Decker, Mark R. Churitch 2013-03-05 $5,558,000
7578562 Grain hopper Tim Hlady, William Oliver, James Spenceley 2009-08-25
D555322 Grain hopper Tim Hlady, William Oliver, James Spenceley 2007-11-13
5576614 Circuit for supplying constant voltage to a lamp from an AC input David Meads, Keith L. Bedford, Clive R. Harris 1996-11-19 $7,641,000