Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ralph Strumpler — 1 Patent

ARAbb Research: 1 patents #569 of 1,276Top 45%
Brugg, CH: #89 of 172 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ralph Strumpler has been granted 1 US patent while listed as an inventor at Abb Research. All of these patents were granted in 2000. Ralph Strumpler ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ralph Strumpler in Brugg, CH.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6038117 Power switching apparatus Edgar Dullni, Joachim Glatz Reichenbach, Jan-Henrik Kuhlefelt, Ruzica Loitzl, Zdenek Pelanek +1 more 2000-03-14