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Stefan SPERRFECHTER — 4 Patents

DADaimler Ag: 3 patents #307 of 2,089Top 15%
MAMercedes-Benz Group Ag: 1 patents #616 of 1,842Top 35%
Donzdorf, DE: #17 of 76 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Stefan SPERRFECHTER has been granted 4 US patents while listed as an inventor at Daimler Ag. The first was granted in 2015 and the most recent in September 2024. Stefan SPERRFECHTER ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Stefan SPERRFECHTER in Donzdorf, DE.

Patents per Year

Patents granted per year, 2015 to 2024Bar chart with a peak of 2 patents in 2022.peak 22015: 1 patents20152022: 2 patents20222024: 1 patents2024

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12097766 Dual-clutch transmission Carsten Gitt, Andreas Kolb, Tobias Haerter, Juergen Schweitzer, Jonathan Zeibig +4 more 2024-09-24
11293526 Hybrid dual-clutch transmission Carsten Gitt, Tobias Haerter, Peter Hahn, Andreas Kolb, Jakub ROMANIAK +2 more 2022-04-05
11268579 Hybrid dual-clutch transmission Peter Hahn, Tobias Haerter, Juergen Schweitzer, Jonathan Zeibig, Andreas Kolb 2022-03-08
8991576 Torque converter device for a motor vehicle Tobias Haerter, Heinrich Straub, Bernhard Ziegler, Tobias Schuster 2015-03-31

Frequent Collaborators

Tobias Haerter4 shared
Juergen Schweitzer3 shared
Andreas Kolb3 shared
Peter Hahn3 shared
Jonathan Zeibig3 shared
Carsten Gitt2 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4