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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Darin Friedmann — 1 Patent

OEOtis Elevator: 1 patents #966 of 1,840Top 55%
Tomisato, JP: #11 of 17 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Darin Friedmann has been granted 1 US patent while listed as an inventor at Otis Elevator. All of these patents were granted in 1999. Darin Friedmann ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Darin Friedmann in Tomisato, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5970881 Linear type shuttle with movable linear motor primary Susumu Takahashi, Ryuichi Ishibashi 1999-10-26 $31,203,000