Featured patents

Train Sensor Unit for Sensing Radio Communication Based Train, Train Position Sensing System, and Train Position Sensing Method of the System
US 08814104 B2, Aug. 26, 2014, Train-Position Indication, Young Hwan Yoon / LSIS Co., Ltd. (Anyang-Si, Gyeonggi-Do, KR)
A train sensor unit comprising:…

Variable Frequency Train Detection
US 08857769 B1, Oct. 14, 2014, Train-Position Indication, Brian Hogan / Siemens Industry, Inc. (Alpharetta, US)
A method of detecting the presence of a train on a railroad track, said…

Railway Track Switch Cover System
US 08864084 B2, Oct. 21, 2014, Switches, Randall G. Honeck et al. / Railway Equipment Company, Inc. (Plymouth, US)
A track switch cover assembly comprising:…

Method and Apparatus for Controlling Railway Safety Systems
US 08870126 B2, Oct. 28, 2014, Train annunciators or indicators, Ulrich Bock et al. / Siemens Aktiengesellschaft (Munich, DE)
An apparatus, comprising:…

Rail Line Sensing and Safety System
US 08752797 B2, June 17, 2014, Train-Position Indication, Marc W. Cygnus et al. / Metrom Rail, LLC (Lake Zurich, US)
A sensing device for a rail line comprising:…

Track Circuit Transceiver
US 08746628 B2, June 10, 2014, Electric, Jingwang Zhang / Siemens Industry, Inc. (Alpharetta, US)
A transceiver comprising:…

Method and Apparatus for a Hybrid Train Control Device
US 08651433 B2, Feb. 18, 2014, Cab Signal or Train Control, Nabil Ghaly / Siemens Industry, Inc. (Alpharetta, US)
A train control system interfacing with a cab-signaling train control system…

Multiple Direction Railroad Gate Release Mechanism
US 08640996 B2, Feb. 4, 2014, Grade-Crossing Track Protection, Edwin J. Luetzow / MTR, Inc. (Brookings, US)
An apparatus for releasing a railroad gate in at least two directions,…

Vehicle Detection System
US 08517316 B2, Aug. 27, 2013, Normally closed track circuit, David Baldwin et al. / Central Signal, LLC (Madison, US)
A railroad train detection system comprising:…

Method and Apparatus for Bi-Directional Downstream Adjacent Crossing Signaling
US 08500071 B2, Aug. 6, 2013, Highway crossing, Randy O'Dell / Invensys Rail Corporation (Louisville, US)
A method for operating a crossing predictor, the method comprising:…

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