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USPTO Patent Rankings Data through Dec 31, 2025
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Ulf Schwekendiek — 4 Patents in 2021

GRGroupon: 4 patents #16 of 280Top 6%
San Francisco, CA: #541 of 7,035 inventorsTop 8%
California: #5,616 of 66,859 inventorsTop 9%
Overall (2021): #38,192 of 548,734Top 7%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11172330 Presence detection based on crowd surfing signal strength Yishai Lerner, Tuomas Artman 2021-11-09 $6,394,000
11164174 Peer-to-peer payment processing Tuomas Artman, Jyri Engestrom 2021-11-02 $10,386,000
11062287 Consumer device based point-of-sale Tuomas Artman, Jyri Engestrom 2021-07-13 $5,260,000
11062354 Consumer presence based deal offers Tuomas Artman, Jyri Engestrom 2021-07-13 $5,260,000