Inventor · disambiguated record
Marc W. Cygnus
Also filed as: CYGNUS MARC · CYGNUS MARC W · CYGNUS MARC WAYNE
14 granted patents·4 pending applications·192 citations·filing 2000–2023
93Inventor score
Top patents by PatentIndex Score
18 records- 0198US11700075B2Methods and systems for decentralized rail signaling and positive train controlMETROM RAIL LLC·Filed 2022·Granted Jul 11, 2023·6 cites·28 claims
- 0298US9731738B2Rail vehicle signal enforcement and separation controlMETROM RAIL LLC·Filed 2015·Granted Aug 15, 2017·14 cites·18 claims
- 0397US10778363B2Methods and systems for decentralized rail signaling and positive train controlMETROM RAIL LLC·Filed 2019·Granted Sep 15, 2020·15 cites·16 claims
- 0496US11349589B2Methods and systems for decentralized rail signaling and positive train controlMETROM RAIL LLC·Filed 2019·Granted May 31, 2022·9 cites·12 claims
- 0596US8812227B2Collision avoidance system for rail line vehiclesCARLSON RICHARD C·Filed 2012·Granted Aug 19, 2014·28 cites·28 claims
- 0695US12397832B2Rail vehicle signal enforcement and separation controlMETROM RAIL LLC·Filed 2023·Granted Aug 26, 2025·1 cites·25 claims
- 0793US9043131B2Collision avoidance system for rail line vehiclesMETROM RAIL LLC·Filed 2014·Granted May 26, 2015·19 cites·20 claims
- 0892US10179595B2Worker protection systemMETROM RAIL LLC·Filed 2016·Granted Jan 15, 2019·15 cites·30 claims
- 0991US10737709B2Worker protection systemMETROM RAIL LLC·Filed 2019·Granted Aug 11, 2020·6 cites·20 claims
- 1091US10336353B2Worker protection systemMETROM RAIL LLC·Filed 2017·Granted Jul 2, 2019·7 cites·22 claims
- 1188US8752797B2Rail line sensing and safety systemCARLSON RICHARD C·Filed 2011·Granted Jun 17, 2014·12 cites·29 claims
- 1288USD457513SEarset communicatorARIALPHONE LLC·Filed 2000·Granted May 21, 2002·56 cites·1 claims
- 1386US10926783B2Worker protection systemMETROM RAIL LLC·Filed 2019·Granted Feb 23, 2021·3 cites·20 claims
- 1481US12258058B2Rail vehicle signal enforcement and separation controlMETROM RAIL LLC·Filed 2019·Granted Mar 25, 2025·1 cites·26 claims
- 1581US2024089022A1Methods and systems for decentralized rail signaling and positive train controlMETROM RAIL LLC·Filed 2023·Application pending·0 cites
- 1662US2018362058A1Rail Vehicle Signal Enforcement and Separation ControlMETROM RAIL LLC·Filed 2018·Application pending·0 cites
- 1751US2015060608A1Rail Vehicle Signal Enforcement and Separation ControlMETROM RAIL LLC·Filed 2014·Application pending·0 cites
- 1849US2014346285A1Rail line sensing and safety systemMETROM RAIL LLC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →