Inventor
TISCHER WERNER
DE31 patents
⚠️ This page may combine multiple inventors who share the name “TISCHER WERNER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZAHNRADFABRIK FRIEDRICHSHAFEN
21 patentsUS5086863AFeb 11, 1992
All-wheel steering system for motor vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN26 citations92
US4756330AJul 12, 1988
Flow divider valve
ZAHNRADFABRIK FRIEDRICHSHAFEN43 citations92
US4553389ANov 19, 1985
Hydrostatic auxiliary steering apparatus
ZAHNRADFABRIK FRIEDRICHSHAFEN27 citations92
US4174018ANov 13, 1979
Arrangement for control of two hydraulic pressure systems, including booster steering control
ZAHNRADFABRIK FRIEDRICHSHAFEN37 citations92
US5072802ADec 17, 1991
Control mechanism for two hydraulic adjustment devices supplied via one, each, current branch by a high-pressure pump
ZAHNRADFABRIK FRIEDRICHSHAFEN8 citations74
US5056311AOct 15, 1991
Hydrostatic steering device
ZAHNRADFABRIK FRIEDRICHSHAFEN9 citations74
US4371002AFeb 1, 1983
Hydrostatic steering system
ZAHNRADFABRIK FRIEDRICHSHAFEN13 citations74
US4553390ANov 19, 1985
Hydrostatic steering arrangement
ZAHNRADFABRIK FRIEDRICHSHAFEN10 citations73
US4354350AOct 19, 1982
Hydrostatic auxiliary power steering
ZAHNRADFABRIK FRIEDRICHSHAFEN7 citations73
US4258902AMar 31, 1981
Steering valve with annular sealing element for radial annular gap
ZAHNRADFABRIK FRIEDRICHSHAFEN7 citations73
US4488401ADec 18, 1984
Hydraulic servo steering for vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations63
US4359866ANov 23, 1982
Rotatable controller system
ZAHNRADFABRIK FRIEDRICHSHAFEN3 citations63
US4184560AJan 22, 1980
Two-circuit steering arrangement for motor vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN6 citations63
US4495769AJan 29, 1985
Booster power steering
ZAHNRADFABRIK FRIEDRICHSHAFEN3 citations62
US4355505AOct 26, 1982
Rotatable controller valve
ZAHNRADFABRIK FRIEDRICHSHAFEN3 citations62
US4290738ASep 22, 1981
Steering valve with spring torsion rod
ZAHNRADFABRIK FRIEDRICHSHAFEN4 citations62
US4258752AMar 31, 1981
Control valve with two rotary valve elements supported in a housing and acted upon axially by pressure
ZAHNRADFABRIK FRIEDRICHSHAFEN5 citations62
US4344283AAug 17, 1982
Hydrostatic auxiliary power steering
ZAHNRADFABRIK FRIEDRICHSHAFEN3 citations56
US4237773ADec 9, 1980
Pressure medium controller for motor vehicle steering systems
ZAHNRADFABRIK FRIEDRICHSHAFEN3 citations54
US4466243AAug 21, 1984
Hydrostatic power steering system with curved valve return springs
ZAHNRADFABRIK FRIEDRICHSHAFEN1 citations52
US4395877AAug 2, 1983
Hydrostatic steering system for motor vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations41
BAYER AG
9 patentsUS4599262AJul 8, 1986
Electrically conductive polycarbonate laminates and their preparation
BAYER AG19 citations81
US5635560AJun 3, 1997
Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer
BAYER AG12 citations73
US4895891AJan 23, 1990
Mat, elastic-thermoplastic moulding compounds
BAYER AG8 citations72
US4791016ADec 13, 1988
Stretched polycarbonate films filled with carbon black
BAYER AG18 citations72
US5427623AJun 27, 1995
Cleaning of machines for the production and processing of plastics
BAYER AG9 citations68
US5824741AOct 20, 1998
Impact-resistant thermoplastic moulding compositions
BAYER AG5 citations63
US5747586AMay 5, 1998
High-impact molding compounds based on polyisobutylene-containing polycarbonate
BAYER AG5 citations63
US5698622ADec 16, 1997
Stabilisation of ABS graft polymers using dithiodipropionic acid
BAYER AG5 citations63
US5017422AMay 21, 1991
Cast films of ABS plastics
BAYER AG3 citations61