Patents
Patents for B61L 11 - Operation of points from the vehicle or by the passage of the vehicle (132)
10/1998
10/28/1998CN2295645Y Bidirectional extruding point converter of railway
09/1998
09/15/1998US5806810 Spring rail frog having switchable magnet for holding wing rail open
12/1997
12/10/1997CN2269992Y Train collision control switch
09/1996
09/19/1996DE19526159C1 Train safety system for single track line
08/1996
08/13/1996US5544848 Railroad spring frog
08/01/1996DE19522794A1 Electric motor-driven land vehicle
01/1996
01/04/1996DE4421821A1 Self-managed railway vehicle operation
08/1995
08/31/1995DE4406720A1 Safety system for trains
06/1993
06/29/1993CA1319744C Switch control
07/1992
07/07/1992CA1304809C Switch motorization device
11/1991
11/27/1991CN1014879B Railway switch motor system
11/13/1991CN2088500U Static joint device of railway electric rail rotary machine
08/1991
08/21/1991CN1013560B Device for operating railroad switch
07/1991
07/10/1991EP0436137A2 Switch control for a self propelled floor transportation vehicle
01/1990
01/30/1990US4896850 Railroad switch motor system
07/1989
07/26/1989CN1034171A Railroad switch motor system
06/1989
06/27/1989US4842225 Device for operating a railroad switch
05/1989
05/31/1989EP0317927A1 Switch points motorization device
02/1989
02/21/1989CA1250265A1 Spring rail frog
11/1988
11/16/1988CN88102584A Device for operating railroad switch
11/09/1988EP0289978A1 Device for switching points
08/1988
08/03/1988CN87209827U Magnetoelectric sensor for railways
10/1987
10/20/1987US4700633 Tracking apparatus in conveyorized transport system
11/1986
11/25/1986US4624428 Spring rail frog
10/1986
10/15/1986CN85202972U Safety points-moving device used in railway
10/1983
10/04/1983US4407072 Thin flange and loose wheel detection system
05/1983
05/04/1983EP0077839A1 Device for actuating points whilst operating an underground rail track
11/1982
11/30/1982CA1136749A1 Rail system having wheel-engaged hydraulic piston-and-cylinder assembly, and such an assembly
09/1981
09/29/1981US4291854 Rail system having wheel-engaged hydraulic piston-and-cylinder assembly, and such an assembly
05/1980
05/13/1980CA1077613A1 Static switching apparatus for passenger vehicle
01/1978
01/17/1978US4068598 Element of vehicle running on railway tracks
02/1976
02/03/1976US3935820 Apparatus for the identification of moving units
1 2