DH

David Heagerty

AC Amsted Rail Company: 3 patents #25 of 128Top 20%
CN Crane Nuclear: 2 patents #6 of 14Top 45%
LT Liberty Technologies: 1 patents #6 of 15Top 40%
📍 Glen Mills, PA: #39 of 179 inventorsTop 25%
🗺 Pennsylvania: #13,581 of 74,527 inventorsTop 20%
Overall (All Time): #789,177 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12422339 System, method and apparatus for monitoring the health of railcar wheelsets Mohsen Samadani, Francis Cooper, Daniel Maraini, Andrew Seidel 2025-09-23
11977003 System, method and apparatus for monitoring the health of railcar wheelsets Mohsen Samadani, Francis Cooper, Daniel Maraini, Andrew Seidel 2024-05-07
11385137 System, method and apparatus for monitoring the health of railcar wheelsets Mohsen Samadani, Francis Cooper, Daniel Maraini, Andrew Seidel 2022-07-12
6134949 Method and apparatus for on-line detection of leaky emergency shut down or other valves Robert L. Leon 2000-10-24
6128946 Method and apparatus for on-line detection of leaky emergency shut down or other valves Robert L. Leon 2000-10-10
5519300 Method and apparatus for analysis of polyphase electrical motor systems Robert L. Leon, Martin Dowling 1996-05-21