Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DF

Dan Fein — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Alameda, CA: #528 of 1,067 inventorsTop 50%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dan Fein has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 2021 and the most recent in June 2022. Dan Fein ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dan Fein in Alameda, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11371926 Particulate collection and analysis Shawn Stedman, Eric J. Barkie, Tim Roche, Ben Fletcher 2022-06-28 $8,334,000
11060963 Particulate collection and analysis Shawn Stedman, Eric J. Barkie, Tim Roche, Ben Fletcher 2021-07-13 $4,436,000