Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Rob E. Haun — 1 Patent

RCRetech Co.: 1 patents #5 of 12Top 45%
Ukiah, CA: #38 of 83 inventorsTop 50%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Rob E. Haun has been granted 1 US patent while listed as an inventor at Retech Co.. All of these patents were granted in 1993. Rob E. Haun ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Rob E. Haun in Ukiah, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5239162 Arc plasma torch having tapered-bore electrode Neil C. Elmer, Robin A. Lampson 1993-08-24