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

Fritz Topfmeier

BOBOE: 5 patents #3,506 of 12,373Top 30%
Overall (All Time): #1,057,554 of 4,157,543Top 30%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
RE34672 Pharmaceutical composition containing a stable modification of torasemide Gustav Lettenbauer 1994-07-26
RE34580 Process for the preparation of a stable modification of torasemide Gustav Lettenbauer 1994-04-05
4845030 Use of aniline derivates as coupling components in oxidative color formation reactions Hans-Georg Batz, Rupert Herrmann, Helmut Schlumberger 1989-07-04
4822807 Pharmaceutical composition containing a stable modification of torasemide Gustav Lettenbauer 1989-04-18
4743693 Process for the preparation of a stable modification of torasemide Gustav Lettenbauer 1988-05-10