Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles M. Harris — 6 Patents

FLFlex-Kleen: 1 patents #3 of 6Top 50%
Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Palatine, IL: #268 of 1,176 inventorsTop 25%
Illinois: #15,248 of 84,256 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Charles M. Harris has been granted 6 US patents while listed as an inventor at Flex-Kleen. The first was granted in 1981 and the most recent in April 2020. Charles M. Harris ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Charles M. Harris in Palatine, IL, US.

Patents per Year

Patents granted per year, 1981 to 2020Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811987: 1 patents19871990: 1 patents19902010: 1 patents20102014: 1 patents20142020: 1 patents2020

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10633236 Can opening system Jared P. Harris, Joshua Harris, Levi Z. Harris 2020-04-28
8703671 Process and apparatus for preparing a urea grease Jean-Luc Pierre André Brossaud, David Edmund Code, Jerome Dabos, Ronald D. Harris, Aimin Huang +5 more 2014-04-22
D615468 Splash guards with bolt holes having gaskets 2010-05-11
D308158 End portions of a double-ended wrench 1990-05-29
4683923 Clip for use with gasoline pump dispensing handle 1987-08-04
4292057 Top removal support for dust collector bags Edward A. Ulvestad 1981-09-29