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Class Information
Number: 246/258
Name: Railway switches and signals > Fluid-motor actuation > Electric control
Description: Subject matter having valves which are electrically controlled.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6422519 |
Railroad track switch operator |
Jul. 23, 2002 |
| 6164601 |
Railroad switch machine |
Dec. 26, 2000 |
| 6056244 |
Railway switch setting device |
May. 2, 2000 |
| 5775647 |
Hydraulic switch stand |
Jul. 7, 1998 |
| 5772157 |
Operating railroad switches |
Jun. 30, 1998 |
| 5292091 |
Operating device for railway switches, particularly for high-speed lines |
Mar. 8, 1994 |
| 5020441 |
Electric coupling for rotary guideway switch |
Jun. 4, 1991 |
| 5020442 |
Guideway station for a rotary guideway switch |
Jun. 4, 1991 |
| 5012747 |
Rotary guideway switch having guidebeam and/or electric rail structure located above and between guideway tire paths |
May. 7, 1991 |
| 4970965 |
Safety locking structure for a rotary guideway switch |
Nov. 20, 1990 |
| 4970964 |
Single turnout rotary guideway switch and a dual lane crossover station employing the same |
Nov. 20, 1990 |
| 4970967 |
Rotary guideway switch for people mover systems |
Nov. 20, 1990 |
| 4970966 |
Self-aligning rotary guideway switch |
Nov. 20, 1990 |
| 4970962 |
Double turnout rotary guideway switch |
Nov. 20, 1990 |
| 4428552 |
Railroad switch machine |
Jan. 31, 1984 |
| 4213588 |
Fluidically operated railway switch machine |
Jul. 22, 1980 |
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