| Patents for E01B 7 - Switches; Crossings (2,127) |
|---|
| 07/01/1980 | US4210300 Point switch |
| 05/28/1980 | EP0011285A1 Plastic sliding cover for railway switches |
| 04/01/1980 | US4195805 Railroad switch heater |
| 03/25/1980 | CA1074432A1 Rail switch arrangement |
| 03/04/1980 | CA1072893A1 Crossover unit utilizing slotted pad and wedge-shaped closure strip |
| 10/02/1979 | US4169745 Method of joining frogs of wear-resisting manganese steel castings to rails of carbon steel |
| 09/25/1979 | US4168817 Rail switch |
| 07/10/1979 | CA1058311A1 Railroad turnouts |
| 06/26/1979 | US4159090 Railway switch for vignoles rails |
| 06/05/1979 | CA1055783A1 Track switching device for two-rail type tracks |
| 05/02/1979 | EP0001638A1 Railway system for wheel-supported pallets |
| 03/13/1979 | US4144442 Welding austenitic manganese steel to carbon steel |
| 12/26/1978 | US4131255 Rail switch arrangement |
| 11/14/1978 | CA1042389A1 Clip actuated retractable ball point pen |
| 09/19/1978 | US4115282 Biodegradable grease composition |
| 08/08/1978 | US4105175 Railway switching points |
| 03/28/1978 | US4081162 Railroad frogs |
| 03/28/1978 | US4081161 Heater system for railroad switch |
| 11/22/1977 | US4059054 Railroad type switch |
| 04/05/1977 | US4015805 Railway switch or railway crossing |
| 02/01/1977 | US4005839 Railroad turnouts |
| 10/19/1976 | US3986667 Stock-rail fastening for switches and crossings of railway track installations |
| 08/31/1976 | US3977635 Railway switch for Vignoles rails |
| 08/24/1976 | US3976239 Process for reconditioning worn frogs |
| 08/17/1976 | US3974993 Railway track switch heating arrangement |
| 08/03/1976 | US3972497 Apparatus for producing snow deflecting air curtains for railway switches |
| 04/20/1976 | US3951365 Rail crossover arrangement |