Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Helmut Stonner — 3 Patents

BOBorgwarner: 2 patents #505 of 1,600Top 35%
VAVeritas Ag: 2 patents #6 of 51Top 15%
AKAktiengesellschaft Kuhnle, Kopp & Kausch: 1 patents #7 of 34Top 25%
Bischofswerda, DE: #171 of 447 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Helmut Stonner has been granted 3 US patents while listed as an inventor at Borgwarner. The first was granted in 1984 and the most recent in November 2008. Helmut Stonner ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Helmut Stonner in Bischofswerda, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7448469 Silencer Andreas Seyler, Hans-Joachim Lowe, Joachim Von Der Hagen 2008-11-11 $20,694,000
7387188 Sound absorber Uwe Keller, Hans-Joachim Lowe, Joachim Von Der Hagen, Dietmar Metz 2008-06-17 $38,400,000
4482304 Compressor of a type incorporated in an exhaust gas turbocharger Helmut Brobeck, Hartmut Ludewig, Wolfgang Miribel 1984-11-13