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Korea Railroad Research Institute patents

Recent patent applications related to Korea Railroad Research Institute. Korea Railroad Research Institute is listed as an Agent/Assignee. Note: Korea Railroad Research Institute may have other listings under different names/spellings. We're not affiliated with Korea Railroad Research Institute, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Korea Railroad Research Institute-related inventors

Carbon fiber layer having carbon coating

A carbon fiber layer having a carbon coating is provided. The disclosed carbon fiber layer having a carbon coating includes: a carbon fiber layer in which a plurality of carbon fibers are arrayed; and a thin carbon film layer, comprising carbon, coated on the surface of the carbon fiber layer.... Korea Railroad Research Institute

Energy harvester and wireless sensor device having energy harvester

A wireless sensor device includes: an energy harvester configured to convert vibration generated from a broadband vibration source into electricity, an elastic member arranged to receive the vibration and a communication unit fixed by the elastic member, supplied with the converted electricity from the energy harvester, and configured to transmit... Korea Railroad Research Institute

Charging unmanned aerial vehicles and method thereof

A charging apparatus for unmanned aerial vehicles and a charging method thereof. The charging apparatus includes: a transmit coil provided to a charging station and generating a magnetic field; a reception coil generating induced electromotive force according to variation of magnetic flux of the transmit coil; a reception coil adjuster... Korea Railroad Research Institute

Apparatus and controlling ptt service by multiplexing call originator and floor arbitrator

A method of Mission Critical Push to Talk (MCPTT) service performed by a mobile terminal includes: generating, at the mobile terminal, a group call announcement for off-network Mission Critical Push to Talk (MCPTT) service, the group call announcement for off-network MCPTT service including information of a period of the group... Korea Railroad Research Institute

Rail tie having embedded automatic differential settlement compensation apparatus using oil pressure for railroad tracks

By supporting a space generated by a settlement of the track bed gravel or asphalt roadbed underneath a concrete rail tie with cylindrical rods, and installing the present invention, one each separately, on the left and right sides of the concrete rail tie, recovery from settlements is automatic, and the... Korea Railroad Research Institute

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Korea Railroad Research Institute in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Korea Railroad Research Institute with additional patents listed. Browse our Agent directory for other possible listings. Page by