"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20110108677 | TRAIN CONTROL SYSTEM A train control system that does not allow running by erroneously receiving a signal of a further preceding train toward the front, nor permits a following train approaching another train beyond an allowable range. The system includes an existing signal system controlli... | 05/12/2011 |
| 20110084176 | RAILROAD CROSSING A method of operating a railway crossing including the steps of receiving a signal from a locomotive; and activating crossing warning devices and/or downroad warning and in-vehicle alert devices.... | 04/14/2011 |
| 20080296442 | METHODS AND SYSTEMS FOR VERIFYING THE OPERATION OF A RAILROAD GATE A system for verifying the operation of a railroad gate is provided. The system includes a tilt device for measuring a tilt of the railroad gate and a controller coupled to the tilt device. The controller is selectively operable in a calibration mode and a monitoring mo... | 12/04/2008 |
| 20080185482 | Railroad Crossing A railroad crossing includes a turn in a road as the road approaches the railroad, the turn forcing an approaching vehicle to slow down. A impact attenuation zone extends from the turn in the direction of traffic flow so that vehicles failing to make the turn enter a ve... | 08/07/2008 |
| 20080093509 | RAILROAD CROSSING GATE HAVING A UNIVERSAL CROSSING GATE ARM WITH A RACK AND PINION COUNTERWEIGHT ADJUSTMENT SYSTEM A railroad crossing gate comprising a crossing gate arm having a counterweight support structure and one or more counterweights supported by the counterweight support structure. The counterweight support structure includes a gear rack provided along a first portion of t... | 04/24/2008 |