Average Co-Inventor Count = 2.40
ph-index = 3
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. Amsted Industries Inc. (3 from 317 patents)
3 patents:
1. 6932144 - Method for casting objects with an improved riser arrangement
2. 6783610 - Railway wheel alloy
3. 6261043 - Material moving system