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

Artur Buhk

Basf Se: 3 patents #4,656 of 13,826Top 35%
Erpolzheim, DE: #3 of 13 inventorsTop 25%
Overall (All Time): #1,664,415 of 4,157,543Top 45%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5010434 Tape cassette having a two-reel brake system having identical brake levers therefor Klaus Schoettle, Lothar Gliniorz 1991-04-23
4736904 Tape guide means for a tape to be transported, in particular in a magnetic tape cassette or in a tape transport apparatus Klaus Schoettle, Lothar Gliniorz, Kurt Schmidts, Eugen Kamm, Herbert Dietze +3 more 1988-04-12
4687157 Tape cassette, in particular a video cassette, and a pressure spring for this Klaus Schoettle, Eugen Kamm, Heinz Berger, Dieter Gaiser 1987-08-18