Average Co-Inventor Count = 3.78
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. Rush Company, Inc. (2 from 4 patents)
2. Strategic Rail Systems Company (2 from 2 patents)
4 patents:
1. 9255418 - Retractable curtain system
2. 8869711 - Control system for rail car cover system
3. 8826827 - Rail car cover system
4. 8631746 - Rail car cover system