Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
US

Ulf Schwekendiek

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-InventorsDate
11172330 Presence detection based on crowd surfing signal strength Yishai Lerner, Tuomas Artman 2021-11-09
11164174 Peer-to-peer payment processing Tuomas Artman, Jyri Engestrom 2021-11-02
11062287 Consumer device based point-of-sale Tuomas Artman, Jyri Engestrom 2021-07-13
11062354 Consumer presence based deal offers Tuomas Artman, Jyri Engestrom 2021-07-13