WF

Wolfgang Friedrich

SA Siemens Aktiengesellschaft: 14 patents #607 of 22,248Top 3%
AS Aktiebolaget Skf: 9 patents #129 of 1,598Top 9%
SG Skf Kugellagerfabriken Gmbh: 8 patents #11 of 110Top 10%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
SI Skf Industries: 1 patents #5 of 25Top 20%
📍 Schweinfurt, DE: #9 of 509 inventorsTop 2%
Overall (All Time): #108,650 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
4569429 Coupling release, particularly for pulling action couplings Manfred Brandenstein, Horst M. Ernst, Lothar Walter 1986-02-11
4567976 Clutch release Manfred Brandenstein, Roland Haas 1986-02-04
4544168 Seal between rotating concentric elements Rudiger Hans 1985-10-01
4534749 Pulley Rudiger Hans, Manfred Brandenstein, Roland Haas 1985-08-13
4525082 Sealing ring assembly for rolling bearings Manfred Brandenstein, Roland Haas, Rudiger Hans 1985-06-25
4448294 Clutch release bearing having vibration damping material Manfred Brandenstein, Lothar Walter, Armin Olschewski, Wolfgang Huber 1984-05-15
4408809 Seal, especially for wheel bearing arrangements for vehicles Lothar Walter, Horst M. Ernst, Manfred Brandenstein, Heinz Kiener 1983-10-11
4194752 Skateboard Gerhard Tilch, Herbert Dobhan, Hermann Hetterich, Peter Horling, Sigismund Finzel 1980-03-25