Average Co-Inventor Count = 3.08
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. Westinghouse Air Brake Technologies Corporation (5 from 338 patents)
2. Sharma & Associates, Inc. (4 from 6 patents)
3. Other (1 from 832,843 patents)
4. Trinity Rail Group, LLC (1 from 43 patents)
11 patents:
1. 11198454 - Torque box
2. 9187066 - Electrically driven set and release hand brake for rail cars
3. 8839915 - Railway freight car hand brake sensor
4. 7624687 - Truck apparatus for railway cars
5. 7562781 - Automatic cut lever apparatus
6. 7497345 - Apparatus for railway freight car coupler knuckle
7. 7011190 - Hand brake assembly for an ankle motion III truck bogie
8. 6619452 - Housing for a hand brake mechanism
9. 6540049 - Gradual release mechanism for a railway car hand brake
10. 6474450 - Mechanical sensor for a quick release hand brake
11. 6279696 - Suspension system for a truck mounted brake assembly