Inventor
BJERK ROGER O
7 patents
Patents
7 patentsUS4042085AAug 16, 1977
Friction coupling
CATERPILLAR TRACTOR CO35 citations87
US4053162AOct 11, 1977
Dynamic air bearing seal - radially and axially stabilized
CATERPILLAR TRACTOR CO10 citations71
US4013298AMar 22, 1977
Dynamic air bearing seal for engine crankshaft
CATERPILLAR TRACTOR CO8 citations71
US4045402AAug 30, 1977
Fluoroelastomer-polyacrylate based friction material
CATERPILLAR TRACTOR CO15 citations70
US4051100ASep 27, 1977
Fluoroelastomer-based composite material
CATERPILLAR TRACTOR CO15 citations68
US3989425ANov 2, 1976
Unitized seal biasing spring assembly for rotary mechanisms
CATERPILLAR TRACTOR CO4 citations60
US4005950AFeb 1, 1977
Bearings for slant axis rotary mechanisms
CATERPILLAR TRACTOR CO0 citations51