Average Co-Inventor Count = 2.25
ph-index = 2
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. Pullman Incorporated (3 from 228 patents)
3 patents:
1. 4233795 - Field repair roof panel for a railway car
2. 4180228 - Pipe clamp
3. 4068411 - Door track construction