Assignee
TRI TECH
US35 patents
Top patents by PatentIndex Score
US6756705B2Jun 29, 2004
Linear stepper motor
TRI TECH1,032 citations97
US4687195AAug 18, 1987
Treadmill exerciser
TRI TECH199 citations96
US6531798B1Mar 11, 2003
Linear/rotary motor and method of use
TRI TECH60 citations95
US4846458AJul 11, 1989
Upper body exercise apparatus
TRI TECH98 citations94
US5465020ANov 7, 1995
Integral shaft bearing and bobbin for electric motors
TRI TECH20 citations93
US6362547B1Mar 26, 2002
Linear/rotary motor and method of use
TRI TECH71 citations92
US6222294B1Apr 24, 2001
Combinations of solenoids and motors
TRI TECH26 citations92
US5910192AJun 8, 1999
Low-cost linear positioning device
TRI TECH22 citations92
USD372781SAug 13, 1996
Heart valve rotator
TRI TECH41 citations92
US6150789ANov 21, 2000
Stepper motor control
TRI TECH37 citations91
US5611508AMar 18, 1997
Horizontally adjustable microphone support
TRI TECH29 citations91
US4714853ADec 22, 1987
Low profile electric motor
TRI TECH27 citations91
US6211591B1Apr 3, 2001
Linear/rotary electromagnetic device
TRI TECH54 citations90
US6603229B1Aug 5, 2003
Linear actuator with threaded captivation sleeve, captive lead screw, and spring pre-load adjustment
TRI TECH103 citations88
US4655099AApr 7, 1987
Noiseless stepper motor
TRI TECH39 citations88
US4985669AJan 15, 1991
Motor feedback system
TRI TECH23 citations80
US4244099AJan 13, 1981
Method of making an electric rotating machine
TRI TECH22 citations80
US4040247AAug 9, 1977
Clock drive apparatus
TRI TECH22 citations80
US4004168AJan 18, 1977
Electric rotating machine
TRI TECH31 citations80
US5798592AAug 25, 1998
Simplified electric motor construction
TRI TECH16 citations74
US4274026AJun 16, 1981
Electric rotating machine
TRI TECH17 citations73
US4241270ADec 23, 1980
Synchronous electric motor
TRI TECH9 citations73
US6146280ANov 14, 2000
Spring biased universal joint
TRI TECH13 citations72
US5126605AJun 30, 1992
Oscillating stepper motor
TRI TECH15 citations72
US4087709AMay 2, 1978
Electric rotating machine
TRI TECH15 citations72
US6121561ASep 19, 2000
Hermetically sealed electrical switch
TRI TECH11 citations71
US4884333ADec 5, 1989
Method of making a stepper motor
TRI TECH17 citations70
US4841189AJun 20, 1989
Stepper motor and method of making the same
TRI TECH16 citations70
US4404484ASep 13, 1983
Electric rotating machine
TRI TECH24 citations69
US4381437AApr 26, 1983
Switching device
TRI TECH10 citations68
USD383208SSep 2, 1997
Heart valve
TRI TECH1 citations62
US3959628AMay 25, 1976
Electrical read-out apparatus
TRI TECH6 citations61
US4482792ANov 13, 1984
Sealed toggle switch
TRI TECH17 citations60
USD482707SNov 25, 2003
Linear actuator shaft
TRI TECH3 citations59
US4434330AFeb 28, 1984
High temperature switch
TRI TECH5 citations57