Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Horn — 7 Patents

VTVulcan Tool: 2 patents #1 of 14Top 8%
FMFmc: 2 patents #674 of 1,735Top 40%
Houston, TX: #3,335 of 21,073 inventorsTop 20%
Texas: #21,608 of 125,132 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Charles E. Horn has been granted 7 US patents while listed as an inventor at Fmc. The first was granted in 1980 and the most recent in April 2010. Charles E. Horn ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Charles E. Horn in Houston, TX, US.

Patents per Year

Patents granted per year, 1980 to 2010Bar chart with a peak of 2 patents in 1987.peak 21980: 1 patents19801983: 1 patents19831987: 2 patents19872004: 1 patents20042006: 1 patents20062010: 1 patents2010

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7703777 Portable cart with an air compressor and electrical generator 2010-04-27
7076884 Apparatus and method to determine pinion angle of drive train 2006-07-18
6804897 Apparatus and method for use in assembling drive train of a race car 2004-10-19
4709574 Machine for cold forming small tubular elements William R. Jenkins 1987-12-01
4684309 System and apparatus for use in fabricating small tubular articles Rickey L. Kelly, Thomas E. Orendorf, Terry L. Kiger 1987-08-04
4407183 Method and apparatus for hydraulically controlling subsea equipment Lionel J. Milberger, Marvin H. Kluttz 1983-10-04 $2,382,000
4221408 Pipe swivel joint with optional static seal Glen E. Lochte 1980-09-09 $2,461,000