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Class Information
Number: 191/50
Name: Electricity: transmission to vehicles > Collectors > Trolley
Description: Collectors for cooperating with conductors placed at a substantial distance above the ground.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6805226 |
Continuously installable/removable collector trolley |
Oct. 19, 2004 |
| 6425469 |
Device for aiding a movement of a current collector trolley in and out of an elongate plastic profile of a sliding contact line |
Jul. 30, 2002 |
| 6418397 |
Device for measuring the contact force in a power collector |
Jul. 9, 2002 |
| 6286646 |
Current collector trolley for a rail current system |
Sep. 11, 2001 |
| 6273001 |
Pantograph for tilting trains |
Aug. 14, 2001 |
| 6241065 |
Current collector trolley for current collector lines |
Jun. 5, 2001 |
| 6216835 |
Power trolley towing device |
Apr. 17, 2001 |
| 5975259 |
Electrically propelled vehicle |
Nov. 2, 1999 |
| 5886619 |
Communication method in movable body operating system |
Mar. 23, 1999 |
| 5097103 |
Lock for trolley connector |
Mar. 17, 1992 |
| 4742185 |
Trolley bus head |
May. 3, 1988 |
| 4339021 |
Carbon fiber reinforced carbon friction element and method of making |
Jul. 13, 1982 |
| 3983978 |
Current collecting system for self-propelled aerial tramway carriage using two supporting cables |
Oct. 5, 1976 |
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