Assignee
FORCE CONTROL IND
US21 patents
Top patents by PatentIndex Score
US6223611B1May 1, 2001
Belt transfer system
FORCE CONTROL IND25 citations91
US4938321AJul 3, 1990
Liquid cooled brake apparatus
FORCE CONTROL IND54 citations91
US4607736AAug 26, 1986
Multiple speed drive system
FORCE CONTROL IND37 citations91
US4860862AAug 29, 1989
Clutch/brake unit with self-contained actuating pump system
FORCE CONTROL IND27 citations89
US4739865AApr 26, 1988
Clutch/brake unit with self-contained actuating pump system
FORCE CONTROL IND41 citations89
US6422536B1Jul 23, 2002
Lifter apparatus for raising and lowering a part
FORCE CONTROL IND25 citations85
US4577738AMar 25, 1986
Drive system with oil shear clutch-brake unit
FORCE CONTROL IND25 citations80
US4483422ANov 20, 1984
Liquid cooled brake unit
FORCE CONTROL IND25 citations79
US4074663AFeb 21, 1978
Internal combustion engine and cooling fan drive system
FORCE CONTROL IND28 citations79
US6419072B2Jul 16, 2002
Belt transfer system
FORCE CONTROL IND7 citations72
US5129497AJul 14, 1992
Torque limiting clutch
FORCE CONTROL IND20 citations72
US4589818AMay 20, 1986
Apparatus for rotating and reciprocating a transfer member
FORCE CONTROL IND18 citations72
US4463841AAug 7, 1984
Multiple speed drive system
FORCE CONTROL IND18 citations72
US4648494AMar 10, 1987
Clutch-brake unit with improved oil pump impellers
FORCE CONTROL IND7 citations71
US4458794AJul 10, 1984
Drive system with oil shear clutch-brake unit
FORCE CONTROL IND18 citations71
US4415067ANov 15, 1983
Liquid cooled brake unit
FORCE CONTROL IND18 citations71
US4234123ANov 18, 1980
Centrifuge drive system
FORCE CONTROL IND17 citations71
US4821847AApr 18, 1989
Liquid cooled brake unit
FORCE CONTROL IND18 citations63
US4267911AMay 19, 1981
Clutch-brake unit
FORCE CONTROL IND6 citations60
US4106606AAug 15, 1978
Variable speed drive
FORCE CONTROL IND5 citations60
US6246916B1Jun 12, 2001
Learning programmable limit switch and method providing real-time passive feedback
FORCE CONTROL IND5 citations54