Average Co-Inventor Count = 1.25
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. Bethlehem Steel Corporation (5 from 370 patents)
5 patents:
1. 5070793 - Top chord member for railway cars
2. 5038687 - Multipurpose railroad freight car
3. 4867622 - Lateral restraining device for cargo containers having more than one
4. 4854791 - Container door barricade
5. 4826371 - Container support pedestals