Average Co-Inventor Count = 2.00
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. Jac Operations, Inc. (3 from 23 patents)
3 patents:
1. 9862393 - Open top hopper railcar with biased door seal and enlarged contoured end door
2. 9096238 - Open top hopper railcar with biased door seal and enlarged contoured end door
3. 8640631 - Side contoured open top hopper railcar with biased door seal and enlarged contoured end door