Average Co-Inventor Count = 3.16
ph-index = 2
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. Harnischfeger Technologies, Inc. (5 from 152 patents)
2. Joy Global Surface Mining Inc (88 patents)
5 patents:
1. 9302267 - Pick holder
2. 8967507 - Moveable shaft assembly
3. D720375 - Pick holder
4. D709112 - Pick holder
5. 8616483 - Bearing housing