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

Davy Chum — 1 Patent

PRPromerus: 1 patents #95 of 140Top 70%
3M: 1 patents #7,251 of 11,543Top 65%
Windom, MN: #1,762 of 2,819 inventorsTop 65%
Minnesota: #32,682 of 52,454 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Davy Chum has been granted 1 US patent while listed as an inventor at 3M. All of these patents were granted in 2004. Davy Chum ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Davy Chum in Windom, MN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6677175 Optical waveguides and methods for making the same Xiao-Mei Zhao, Ramakrishna Ravikiran, Phillip S. Neal, Robert A. Shick, James E. Watson +2 more 2004-01-13 $16,496,000