Assignee
TUNNEL RADIO OF AMERICA INC
US·4 granted patents·2 pending applications·91 citations·filing 1998–2020
Top patents by PatentIndex Score
6 records- 0175US6195561B1Antenna system for two-way UHF underground radio systemTUNNEL RADIO OF AMERICA INC·Filed 1998·Granted Feb 27, 2001·57 cites·9 claims
- 0257US6041216ARadio communication system for use in tunnelsTUNNEL RADIO OF AMERICA INC·Filed 1998·Granted Mar 21, 2000·34 cites·5 claims
- 0348US10966100B2Remotely-controlled distributed antenna system for railroad tunnels employing software defined amplifiersTUNNEL RADIO OF AMERICA INC·Filed 2020·Granted Mar 30, 2021·0 cites·20 claims
- 0443US10728770B2Remotely-controlled distributed antenna system for railroad tunnels employing software defined amplifiersTUNNEL RADIO OF AMERICA INC·Filed 2019·Granted Jul 28, 2020·0 cites·18 claims
- 0533US2019122455A1Aerial radio-frequency identification (rfid) tracking and data collection systemTUNNEL RADIO OF AMERICA INC·Filed 2018·Application pending·0 cites
- 0632US2016036574A1Systems and methods for communicating into a shielded environmentTUNNEL RADIO OF AMERICA INC·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →