Inventor · disambiguated record
Thomas M. Mchugh
Also filed as: MCHUGH THOMAS M
21 granted patents·455 citations·filing 1983–1997
96Inventor score
Top patents by PatentIndex Score
21 records- 0194US4760830AMethod and apparatus for controlling fuel injection timing in a compression ignition engineAMBAC IND·Filed 1987·Granted Aug 2, 1988·53 cites·7 claims
- 0291US4463729AMethod and apparatus for controlling fuel injection timing in a compression ignition engineAMBAC IND·Filed 1983·Granted Aug 7, 1984·58 cites·10 claims
- 0385US5487449AMagnetic elevator door couplingOTIS ELEVATOR CO·Filed 1994·Granted Jan 30, 1996·40 cites·6 claims
- 0473US5732796AElevator car evacuation deterrent deviceOTIS ELEVATOR CO·Filed 1995·Granted Mar 31, 1998·29 cites·6 claims
- 0568US5651428AStationary actuator moving vane elevator car door couplingOTIS ELEVATOR CO·Filed 1996·Granted Jul 29, 1997·27 cites·11 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
- 0861US5651427AElevator door coupling and hold-close apparatusOTIS ELEVATOR CO·Filed 1995·Granted Jul 29, 1997·21 cites·11 claims
- 0960US5503248AMaintaining open loop current drive to linear induction motorOTIS ELEVATOR CO·Filed 1994·Granted Apr 2, 1996·23 cites·6 claims
- 1059US5538106ARotationally stiff elevator car door couplingOTIS ELEVATOR CO·Filed 1994·Granted Jul 23, 1996·18 cites·6 claims
- 1157US5736693AElevator door drive using dual secondary linear induction motorOTIS ELEVATOR CO·Filed 1995·Granted Apr 7, 1998·25 cites·3 claims
- 1254US5509504AVelocity 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
- 1352US5495918ASmooth and quiet linear induction motor elevator door operationOTIS ELEVATOR CO·Filed 1994·Granted Mar 5, 1996·15 cites·4 claims
- 1449US5808246ATriac drive for three-phase line-powered linear induction motor elevator door operatorOTIS ELEVATOR CO·Filed 1995·Granted Sep 15, 1998·15 cites·9 claims
- 1548US5668355AElevator cab door drive systemOTIS ELEVATOR CO·Filed 1994·Granted Sep 16, 1997·13 cites·3 claims
- 1642US5435415ACammed wedge elevator car door couplingOTIS ELEVATOR CO·Filed 1994·Granted Jul 25, 1995·10 cites·8 claims
- 1741US5494137AElevator door mounting systemOTIS ELEVATOR CO·Filed 1994·Granted Feb 27, 1996·12 cites·6 claims
- 1841US5485896ARotary elevator car door couplingOTIS ELEVATOR CO·Filed 1994·Granted Jan 23, 1996·9 cites·4 claims
- 1939US5682023ATime-optimal control of an AC line-driven linear motor elevator door operatorOTIS ELEVATOR CO·Filed 1995·Granted Oct 28, 1997·9 cites·15 claims
- 2036US5669465AElevator hoistway door bolt lockOTIS ELEVATOR CO·Filed 1995·Granted Sep 23, 1997·8 cites·7 claims
- 2134US5880414AElevator 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 →