Average Co-Inventor Count = 1.98
ph-index = 5
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. Astec Industries, Inc. (2 from 130 patents)
2. Shur Company (2 from 18 patents)
3. Strategic Rail Systems Company (2 from 2 patents)
4. Other (1 from 832,891 patents)
5. Shorma Company (1 from 2 patents)
8 patents:
1. 8869711 - Control system for rail car cover system
2. 8826827 - Rail car cover system
3. 8141498 - Rail car extension system
4. 7967363 - Rail car cover system
5. 7841642 - Retractable tarping system
6. 7823515 - Rail car cover system
7. 6336560 - Grizzly screening apparatus
8. 6098811 - Grizzly screening apparatus