SEARCH:      Monitor Keywords |  Custom RSS

Railway switches and signals February patent applications/inventions, industry category 02/10

20100032529 - System, method and computer readable medium for tracking a railyard inventory: A system for tracking a rail yard inventory may be incorporated in a rail yard that has a plurality of tracks on which a plurality of railcars in a train are moved and arranged wherein each track is associated with a destination of the railcars on the track. A controller,... Agent: Beusse Wolter Sanks Mora & Maire, P.A.

20100025545 - Systems and methods for determining whether a transportation track is occupied: A method for determining whether a defined section of a transportation track is occupied is described. The method includes inducing an audio frequency (AF) signal at a first position on the transportation track and receiving the AF signal at a second position on the transportation track. The defined section of... Agent: Armstrong Teasdale LLP (12729 +2000) John S. Beulick

20100025546 - Modular railroad switch stand: A switch stand for a railroad switch permits the switch to be locked against unauthorized movement of the switch. The switch stand permits trailing operation, even if locked. Passage of the rolling stock through the locked switch is permitted by allowing temporary movement of switch points of the switch when... Agent: Bracewell & Giuliani LLP