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. Johnstown America Corporation (3 from 15 patents)
2. Jac Operations, Inc. (1 from 23 patents)
4 patents:
1. 11492023 - Transverse trough coil car and slab car with integral adjustable lateral coil stops, vertical trough height adjustment and width adjustable fixed stanchions
2. 5458067 - Two piece center sill shroud for railway cars
3. 5367958 - Two piece center sill shroud for railway cars
4. 5335603 - Top chord to inside connection for gondola car