Average Co-Inventor Count = 5.62
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. Trn Business Trust (3 from 81 patents)
3 patents:
1. 6904848 - Roof assembly and airflow management system for a temperature controlled railway car
2. 6871600 - Pultruded panel
3. 6722287 - Roof assembly and airflow management system for a temperature controlled railway car