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Class Information
Number: 187/276
Name: Elevator, industrial lift truck, or stationary lift for vehicle > Having specific load support drive-means or its control > Includes control for power source of drive-means
Description: Subject matter including a control* which regulates the operation of either (a) the force generating means of the drive-means* (e.g., motor) or (b) a component of the force transmitting linkage of the drive-means* not bearing the weight of the load-underlying support surface (e.g., fluid valve for fluid ram).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7398861 |
Elevator monitoring unit and procedure for the maintenance of an elevator unit |
Jul. 15, 2008 |
| 7156209 |
Elevator roping arrangement |
Jan. 2, 2007 |
| 7117978 |
Dampening device for an elevator compensating cable and associated system and method |
Oct. 10, 2006 |
| 7114594 |
Door frame of a shaft door with a control arrangement for an elevator shaft and method for access to a control unit |
Oct. 3, 2006 |
| 6742631 |
Secondary part of a linear motor, method for the production thereof, linear motor with secondary part and use of the linear motor |
Jun. 1, 2004 |
| 6483047 |
Elevator brake load weighing system |
Nov. 19, 2002 |
| 6378660 |
Hydraulic elevator without a machineroom |
Apr. 30, 2002 |
| 5773771 |
Apparatus for preventing unintended movement of elevator car |
Jun. 30, 1998 |
| 5566787 |
Method and apparatus for controlling an elevator system |
Oct. 22, 1996 |
| 5565660 |
Apparatus in the overspeed governor of an elevator |
Oct. 15, 1996 |
| 5377786 |
Elevator with a governor |
Jan. 3, 1995 |
| 5374794 |
Elevator control valve assembly |
Dec. 20, 1994 |
| 5232070 |
Up leveling control system for small elevators |
Aug. 3, 1993 |
| 5203430 |
Elevator flat linear motor secondary |
Apr. 20, 1993 |
| 5120184 |
Method and apparatus for transporting work objects |
Jun. 9, 1992 |
| 5007505 |
Elevator traction sheave brake |
Apr. 16, 1991 |
| 4747242 |
Two level structure for parking vehicles or storing goods |
May. 31, 1988 |
| 4697977 |
Safety brake for vertical lift |
Oct. 6, 1987 |
| 4509143 |
Computer control system for selecting a desired control program from a plurality of control programs |
Apr. 2, 1985 |
| 4438831 |
Elevator system |
Mar. 27, 1984 |
| 4382490 |
Drive train apparatus |
May. 10, 1983 |
| 4368805 |
Hydraulic control unit for elevators |
Jan. 18, 1983 |
| 4153074 |
Hydraulic valve |
May. 8, 1979 |
| 4149382 |
Hydraulic elevator power assembly |
Apr. 17, 1979 |
| 4148248 |
Hydraulic valve control system |
Apr. 10, 1979 |
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