Inventor · disambiguated record
William Lefebvre
Also filed as: LEFEBVRE WILLIAM · LEFEBVRE WILLIAM D
12 granted patents·5 pending applications·350 citations·filing 2004–2023
93Inventor score
Files withAMSTED RAIL CO INC10LEFEBVRE WILLIAM3PENNSY DIGITAL INC2LEFEBVRE WILLIAM D1VEXTRA NET LTD1
Top patents by PatentIndex Score
17 records- 0197US7688218B2Railroad train monitoring systemAMSTED RAIL CO INC·Filed 2006·Granted Mar 30, 2010·90 cites·33 claims
- 0296US9981673B2System and method for monitoring railcar performanceAMSTED RAIL CO INC·Filed 2016·Granted May 29, 2018·27 cites·22 claims
- 0396US9365223B2System and method for monitoring railcar performanceAMSTED RAIL CO INC·Filed 2013·Granted Jun 14, 2016·40 cites·32 claims
- 0494US9663124B2Railroad train monitoring systemAMSTED RAIL CO INC·Filed 2014·Granted May 30, 2017·18 cites·16 claims
- 0594US8823537B2Railroad train monitoring systemLEFEBVRE WILLIAM·Filed 2012·Granted Sep 2, 2014·26 cites·19 claims
- 0694US8212685B2Railroad train monitoring systemLEFEBVRE WILLIAM·Filed 2010·Granted Jul 3, 2012·30 cites·19 claims
- 0794US7698962B2Flexible sensor interface for a railcar truckAMSTED RAIL CO INC·Filed 2006·Granted Apr 20, 2010·52 cites·35 claims
- 0892US10710619B2Train and rail yard management systemAMSTED RAIL CO INC·Filed 2016·Granted Jul 14, 2020·12 cites·20 claims
- 0992US10137915B2System and method for detecting operational anomalies in train consists and railcarsAMSTED RAIL CO INC·Filed 2014·Granted Nov 27, 2018·32 cites·37 claims
- 1089US10259477B2Train and rail yard management systemAMSTED RAIL CO INC·Filed 2014·Granted Apr 16, 2019·19 cites·27 claims
- 1180US10850755B2System and method for building and managing a train consistAMSTED RAIL CO INC·Filed 2016·Granted Dec 1, 2020·4 cites·28 claims
- 1267US2024190411A1Rail monitoring system, method and devicesPENNSY DIGITAL INC·Filed 2023·Application pending·0 cites
- 1362US11858488B2Rail monitoring system, method and devicesPENNSY DIGITAL INC·Filed 2021·Granted Jan 2, 2024·0 cites·32 claims
- 1457US2009049006A1Method and system for processing knowledgeLEFEBVRE WILLIAM D·Filed 2008·Application pending·0 cites
- 1551US2005075886A1Method and system for processing knowledgeVEXTRA NET LTD·Filed 2004·Application pending·0 cites
- 1645US2010288157A1Sensor interfaceAMSTED RAIL CO INC·Filed 2010·Application pending·0 cites
- 1735US2014111356A1Railway tank car security deviceLEFEBVRE WILLIAM·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when William Lefebvre files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →