Assignee
TRI TECH
US·35 granted patents·2,151 citations·filing 1974–2002
Top patents by PatentIndex Score
35 records- 0197US6756705B2Linear stepper motorTRI TECH·Filed 2001·Granted Jun 29, 2004·1k cites·19 claims
- 0296US4687195ATreadmill exerciserTRI TECH·Filed 1984·Granted Aug 18, 1987·199 cites·6 claims
- 0391USD372781SHeart valve rotatorTRI TECH·Filed 1995·Granted Aug 13, 1996·41 cites·1 claims
- 0489US4846458AUpper body exercise apparatusTRI TECH·Filed 1987·Granted Jul 11, 1989·98 cites·10 claims
- 0587US6603229B1Linear actuator with threaded captivation sleeve, captive lead screw, and spring pre-load adjustmentTRI TECH·Filed 2000·Granted Aug 5, 2003·103 cites·10 claims
- 0685US6531798B1Linear/rotary motor and method of useTRI TECH·Filed 1999·Granted Mar 11, 2003·60 cites·11 claims
- 0784US6362547B1Linear/rotary motor and method of useTRI TECH·Filed 1996·Granted Mar 26, 2002·71 cites·12 claims
- 0884US4655099ANoiseless stepper motorTRI TECH·Filed 1985·Granted Apr 7, 1987·39 cites·14 claims
- 0984US4004168AElectric rotating machineTRI TECH·Filed 1974·Granted Jan 18, 1977·31 cites·12 claims
- 1083US4040247AClock drive apparatusTRI TECH·Filed 1975·Granted Aug 9, 1977·22 cites·22 claims
- 1181US6211591B1Linear/rotary electromagnetic deviceTRI TECH·Filed 1998·Granted Apr 3, 2001·54 cites·10 claims
- 1271US4244099AMethod of making an electric rotating machineTRI TECH·Filed 1979·Granted Jan 13, 1981·22 cites·11 claims
- 1369US4482792ASealed toggle switchTRI TECH·Filed 1981·Granted Nov 13, 1984·17 cites·4 claims
- 1467US6150789AStepper motor controlTRI TECH·Filed 1999·Granted Nov 21, 2000·37 cites·19 claims
- 1564US4985669AMotor feedback systemTRI TECH·Filed 1989·Granted Jan 15, 1991·23 cites·16 claims
- 1664US4714853ALow profile electric motorTRI TECH·Filed 1986·Granted Dec 22, 1987·27 cites·7 claims
- 1763US6222294B1Combinations of solenoids and motorsTRI TECH·Filed 1998·Granted Apr 24, 2001·26 cites·6 claims
- 1863US5910192ALow-cost linear positioning deviceTRI TECH·Filed 1997·Granted Jun 8, 1999·22 cites·7 claims
- 1961US4274026AElectric rotating machineTRI TECH·Filed 1978·Granted Jun 16, 1981·17 cites·11 claims
- 2057US4404484AElectric rotating machineTRI TECH·Filed 1981·Granted Sep 13, 1983·24 cites·12 claims
- 2156US4087709AElectric rotating machineTRI TECH·Filed 1976·Granted May 2, 1978·15 cites·11 claims
- 2255US5611508AHorizontally adjustable microphone supportTRI TECH·Filed 1995·Granted Mar 18, 1997·29 cites·2 claims
- 2355US5465020AIntegral shaft bearing and bobbin for electric motorsTRI TECH·Filed 1994·Granted Nov 7, 1995·20 cites·6 claims
- 2455US4381437ASwitching deviceTRI TECH·Filed 1981·Granted Apr 26, 1983·10 cites·7 claims
- 2553US6146280ASpring biased universal jointTRI TECH·Filed 1995·Granted Nov 14, 2000·13 cites·2 claims
- 2650US5798592ASimplified electric motor constructionTRI TECH·Filed 1996·Granted Aug 25, 1998·16 cites·7 claims
- 2750US4884333AMethod of making a stepper motorTRI TECH·Filed 1989·Granted Dec 5, 1989·17 cites·4 claims
- 2848US4841189AStepper motor and method of making the sameTRI TECH·Filed 1987·Granted Jun 20, 1989·16 cites·9 claims
- 2947US5126605AOscillating stepper motorTRI TECH·Filed 1991·Granted Jun 30, 1992·15 cites·15 claims
- 3046US3959628AElectrical read-out apparatusTRI TECH·Filed 1974·Granted May 25, 1976·6 cites·13 claims
- 3145US6121561AHermetically sealed electrical switchTRI TECH·Filed 1999·Granted Sep 19, 2000·11 cites·13 claims
- 3245US4241270ASynchronous electric motorTRI TECH·Filed 1977·Granted Dec 23, 1980·9 cites·11 claims
- 3339US4434330AHigh temperature switchTRI TECH·Filed 1981·Granted Feb 28, 1984·5 cites·22 claims
- 3437USD482707SLinear actuator shaftTRI TECH·Filed 2002·Granted Nov 25, 2003·3 cites·1 claims
- 3530USD383208SHeart valveTRI TECH·Filed 1995·Granted Sep 2, 1997·1 cites·1 claims
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