Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Hotka — 1 Patent

OEOtis Elevator: 1 patents #966 of 1,840Top 55%
McCordsville, IN: #38 of 55 inventorsTop 70%
Indiana: #19,553 of 33,936 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Charles E. Hotka has been granted 1 US patent while listed as an inventor at Otis Elevator. All of these patents were granted in 1994. Charles E. Hotka ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Charles E. Hotka in McCordsville, IN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5294921 Elevator communications bus analyzer Robert Moore 1994-03-15 $4,981,000