Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
UH

Uwe Hofmann

Merck: 9 patents #1,283 of 9,382Top 15%
DADaimler Ag: 4 patents #224 of 2,089Top 15%
WAWieland-Werke Ag: 3 patents #23 of 147Top 20%
BLBrita Lp: 2 patents #52 of 147Top 40%
EGErsa Gmbh: 2 patents #5 of 39Top 15%
P3Phoenix 3D: 1 patents #6 of 8Top 75%
Canon: 1 patents #14,899 of 19,416Top 80%
IBM: 1 patents #44,794 of 70,183Top 65%
BGBrita Wasser-Filter-Systeme Gmbh: 1 patents #4 of 8Top 50%
Würzburg, DE: #6 of 435 inventorsTop 2%
Overall (All Time): #140,805 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
6074550 Device for indicating the depletion of purifying agent Knut Sauerbier 2000-06-13
5829739 Supporting and distance-changing device 1998-11-03