Average Co-Inventor Count = 1.14
ph-index = 4
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. Buckeye International, Inc. (3 from 30 patents)
2. Buckeye Steel Castings Company (1 from 15 patents)
4 patents:
1. 5762003 - Railroad hopper car underframe transition casting
2. 4595109 - Coupler for rotary dump cars
3. 4042117 - Wear plate
4. 4029022 - Center brace casting