Average Co-Inventor Count = 2.40
ph-index = 1
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. Kennametal Inc. (2 from 1,544 patents)
2. Amsted Rail Company, Inc. (1 from 139 patents)
2 patents:
1. 7942615 - Multi-cartridge cutting tool and railway wheel boring assembly
2. 7927047 - Multi-cartridge cutting tool