Average Co-Inventor Count = 4.14
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Alstom Transport Technologies (4 from 234 patents)
2. General Electric Company (2 from 51,907 patents)
6 patents:
1. 11780482 - Method, controller and track circuit for determining the relationship between a track-circuit transmitted current signal and a railway vehicle location on a railway track
2. 11577763 - Method and controller for determining the relationship between a track-circuit transmitted current signal and a railway vehicle location on a railway track
3. 9751545 - Systems and methods for testing wayside units
4. 9340220 - Systems and methods for management of crossings near stations
5. 9150229 - Systems and method for controlling warnings at vehicle crossings
6. 9026360 - Systems and methods for providing constant warning time at crossings