Assignee
SCHINDLER HAUGHTON ELEVATOR CO
US·4 granted patents·93 citations·filing 1978–1984
Top patents by PatentIndex Score
4 records- 0179US4593794AApparatus and method for installing elevator railsSCHINDLER HAUGHTON ELEVATOR CO·Filed 1984·Granted Jun 10, 1986·40 cites·15 claims
- 0267US4503937AElevator control circuitSCHINDLER HAUGHTON ELEVATOR CO·Filed 1982·Granted Mar 12, 1985·26 cites·18 claims
- 0361US4657117AElevator power supply and drive systemSCHINDLER HAUGHTON ELEVATOR CO·Filed 1984·Granted Apr 14, 1987·17 cites·15 claims
- 0438US4235309AControl for starting electric motorsSCHINDLER HAUGHTON ELEVATOR CO·Filed 1978·Granted Nov 25, 1980·10 cites·14 claims
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