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

Bruce E. Kuhlmann — 2 Patents

VFViratec Thin Films: 2 patents #9 of 27Top 35%
Santa Rosa, CA: #592 of 1,373 inventorsTop 45%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Bruce E. Kuhlmann has been granted 2 US patents while listed as an inventor at Viratec Thin Films. All of these patents were granted in 2002. Bruce E. Kuhlmann ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bruce E. Kuhlmann in Santa Rosa, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6469685 Display panel filter and method of making the same Daniel Woodruff, Jesse D. Wolfe 2002-10-22
6353501 Display panel filter connection to a display panel Daniel Woodruff 2002-03-05