Average Co-Inventor Count = 3.00
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. Esco Corp. (3 from 177 patents)
2. Esco Group LLC (62 patents)
3 patents:
1. 6705031 - Dragline apparatus and bucket
2. 6550163 - Dragline apparatus and bucket
3. 6446366 - Dragline apparatus and bucket