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

Keith E. Flint — 2 Patents

SESentrol: 2 patents #7 of 34Top 25%
Portland, OR: #4,651 of 9,213 inventorsTop 55%
Oregon: #12,752 of 28,073 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Keith E. Flint has been granted 2 US patents while listed as an inventor at Sentrol. The first was granted in 1990 and the most recent in October 1992. Keith E. Flint ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Keith E. Flint in Portland, OR, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5155460 Switch housing with magnetic roller plunger Charles M. Huckins, Robert H. Niemeyer, III 1992-10-13
4943791 Wide gap magnetic reed switch and method for manufacture of same Thomas J. Holce 1990-07-24