Average Co-Inventor Count = 1.23
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. The Budd Company (10 from 276 patents)
2. Other (1 from 832,880 patents)
11 patents:
1. 4771702 - Covered hopper car
2. 4715292 - Head end vehicle with crew accommodations with locomotive and other
3. D289625 - Open top railway hopper car
4. 4653683 - Means and method for securing a tubular member to a side frame of a rail
5. 4648764 - Portable stacking containers locking device
6. 4633786 - Flexible transom connected between side frames of a railway truck to
7. 4555095 - Isolator for a spring in a railway car
8. 4524699 - Low level freight car for carrying trailers
9. D275378 - Articulated railway hopper car
10. 4456413 - Low level freight car for carrying trailers
11. 4400121 - Railway car hitch for a trailer