Inventor · disambiguated record
Thomas He
Also filed as: HE THOMAS · HESS THOMAS
26 granted patents·1 pending application·456 citations·filing 1994–2021
97Inventor score
Top patents by PatentIndex Score
27 records- 0185US5487449AMagnetic elevator door couplingOTIS ELEVATOR CO·Filed 1994·Granted Jan 30, 1996·40 cites·6 claims
- 0279US5929399AAutomatic open loop force gain control of magnetic actuators for elevator active suspensionOTIS ELEVATOR CO·Filed 1998·Granted Jul 27, 1999·35 cites·3 claims
- 0373US5732796AElevator car evacuation deterrent deviceOTIS ELEVATOR CO·Filed 1995·Granted Mar 31, 1998·29 cites·6 claims
- 0468US5651428AStationary actuator moving vane elevator car door couplingOTIS ELEVATOR CO·Filed 1996·Granted Jul 29, 1997·27 cites·11 claims
- 0566US6943508B2Tubular linear synchronous motor control for elevator doorsOTIS ELEVATOR CO·Filed 2002·Granted Sep 13, 2005·12 cites·13 claims
- 0666US5612518ALinear induction motor door drive assembly for elevatorsOTIS ELEVATOR CO·Filed 1994·Granted Mar 18, 1997·22 cites·4 claims
- 0766US5454447AElevator hoistway door bolt lockOTIS ELEVATOR CO·Filed 1994·Granted Oct 3, 1995·22 cites·9 claims
- 0865US7202615B2Tubular linear synchronous motor control for elevator doorsOTIS ELEVATOR CO·Filed 2005·Granted Apr 10, 2007·6 cites·6 claims
- 0962US5864102ADual magnet controller for an elevator active roller guideOTIS ELEVATOR CO·Filed 1997·Granted Jan 26, 1999·22 cites·3 claims
- 1061US5651427AElevator door coupling and hold-close apparatusOTIS ELEVATOR CO·Filed 1995·Granted Jul 29, 1997·21 cites·11 claims
- 1160US5503248AMaintaining open loop current drive to linear induction motorOTIS ELEVATOR CO·Filed 1994·Granted Apr 2, 1996·23 cites·6 claims
- 1259US5538106ARotationally stiff elevator car door couplingOTIS ELEVATOR CO·Filed 1994·Granted Jul 23, 1996·18 cites·6 claims
- 1358US6435314B1Elevator platform stabilization couplerOTIS ELEVATOR CO·Filed 2000·Granted Aug 20, 2002·9 cites·5 claims
- 1457US6431325B1Acceleration control system utilizing elevator platform stabilization couplerOTIS ELEVATOR CO·Filed 2001·Granted Aug 13, 2002·9 cites·32 claims
- 1557US5736693AElevator door drive using dual secondary linear induction motorOTIS ELEVATOR CO·Filed 1995·Granted Apr 7, 1998·25 cites·3 claims
- 1656US6305502B1Elevator cab floor acceleration control systemOTIS ELEVATOR CO·Filed 1999·Granted Oct 23, 2001·19 cites·5 claims
- 1754US5509504AVelocity regulated, open current loop, variable voltage, variable frequency, linear induction motor drive for an elevator car doorOTIS ELEVATOR CO·Filed 1994·Granted Apr 23, 1996·20 cites·4 claims
- 1852US5495918ASmooth and quiet linear induction motor elevator door operationOTIS ELEVATOR CO·Filed 1994·Granted Mar 5, 1996·15 cites·4 claims
- 1949US5808246ATriac drive for three-phase line-powered linear induction motor elevator door operatorOTIS ELEVATOR CO·Filed 1995·Granted Sep 15, 1998·15 cites·9 claims
- 2048US5668355AElevator cab door drive systemOTIS ELEVATOR CO·Filed 1994·Granted Sep 16, 1997·13 cites·3 claims
- 2142US5435415ACammed wedge elevator car door couplingOTIS ELEVATOR CO·Filed 1994·Granted Jul 25, 1995·10 cites·8 claims
- 2241US5494137AElevator door mounting systemOTIS ELEVATOR CO·Filed 1994·Granted Feb 27, 1996·12 cites·6 claims
- 2341US5485896ARotary elevator car door couplingOTIS ELEVATOR CO·Filed 1994·Granted Jan 23, 1996·9 cites·4 claims
- 2440US2023296148A1Elastomer sealing ring for an improved sealing system of an electrically actuatable motor-vehicle disc brakeCONTINENTAL AUTOMOTIVE TECH GMBH·Filed 2021·Application pending·0 cites
- 2539US5682023ATime-optimal control of an AC line-driven linear motor elevator door operatorOTIS ELEVATOR CO·Filed 1995·Granted Oct 28, 1997·9 cites·15 claims
- 2636US5669465AElevator hoistway door bolt lockOTIS ELEVATOR CO·Filed 1995·Granted Sep 23, 1997·8 cites·7 claims
- 2734US5880414AElevator door brake, brake, lock, and hold-openOTIS ELEVATOR CO·Filed 1997·Granted Mar 9, 1999·6 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →