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

Michael Freidank — 1 Patent

AGAuergesellschaft Gmbh: 1 patents #21 of 51Top 45%
Berlin, DE: #4,969 of 9,690 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Michael Freidank has been granted 1 US patent while listed as an inventor at Auergesellschaft Gmbh. All of these patents were granted in 1989. Michael Freidank ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Michael Freidank in Berlin, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4873970 Warning device to indicate the state of gases exhaustion of a gas filter retaining dangerous gases Jurgen Coym, Axel Schubert 1989-10-17