Average Co-Inventor Count = 3.00
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. Trn Business Trust (2 from 81 patents)
2. The Chamberlain Group, Inc. (1 from 517 patents)
3 patents:
1. 6712006 - Center beam car with increased load capacity
2. 6470808 - Center beam car with increased load capacity
3. 4917020 - Transition vehicle for use with convertible rail-highway trailers