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

Rainer Kirchner — 1 Patent

ZAZf Friedrichshafen Ag: 1 patents #1,366 of 2,695Top 55%
Schweinfurt, DE: #301 of 509 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Rainer Kirchner has been granted 1 US patent while listed as an inventor at Zf Friedrichshafen Ag. All of these patents were granted in 2013. Rainer Kirchner ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Rainer Kirchner in Schweinfurt, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8443948 Vibration damper with stroke-dependent damping force Theo Rottenberger, Rainer Barnickel 2013-05-21