Shawn Clark has been granted 5 US patents while listed as an inventor at Alstom Transport Technologies . The first was granted in 2008 and the most recent in September 2025. Shawn Clark ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Shawn Clark in Melbourne, FL, US.
Patents per Year Patents granted per year, 2008 to 2025 Bar chart with a peak of 2 patents in 2023. peak 2 2008: 1 patents 2008 2015: 1 patents 2015 2023: 2 patents 2023 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12403943
System and method for controlling a train travelling along a railway line
John Ross , Jeffrey Michael Fries , Maximo Salinas , Jess Backes , Michael Scott Mitchell
2025-09-02
11702119
Method for determining a status of a track section of a railroad; associated apparatus and non-transitory computer readable medium
Jeffrey Michael Fries , Chris Schuchmann , Richard Lee Lawson , John Ross
2023-07-18
11643122
Wayside to railway vehicle communication method and device
Maximo Salinas , Jeffrey Michael Fries , John Ross , Phillip Martin
2023-05-09
9128128
Current sensor
Jeffrey Michael Fries , Jeffery Armstrong , Robert N. Bettis , Bradley Dale Brown , Gregory K. Hann +4 more
2015-09-08
$16,151,000
7315770
Railway controller with improved application programming
David J. Wade , Steve R. Murphy
2008-01-01