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

Keith Ramthun — 3 Patents

HOHowmet: 1 patents #52 of 110Top 50%
Montague, MI: #8 of 34 inventorsTop 25%
Michigan: #27,426 of 86,293 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Keith Ramthun has been granted 3 US patents while listed as an inventor at Howmet. The first was granted in 1994 and the most recent in October 2025. Keith Ramthun ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Keith Ramthun in Montague, MI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12436166 Flow angle sensor with image sensor Aswin Kumar Vallamkondu, Naveen Kumar Devarakonda, Jeremy S. Burns, Alexander D. Reid, Karthik Jegatheeswaran +1 more 2025-10-07
12280615 Center cap adaptor with specialized lug nut Adam Stevens 2025-04-22
5297615 Complaint investment casting mold and method Paul R. Aimone, Bart M. Kilinski 1994-03-29