Average Co-Inventor Count = 2.25
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. Case Corporation (3 from 575 patents)
3 patents:
1. 6691794 - Planter hitch locking and alignment apparatus
2. 6663134 - Planter hitch apparatus
3. 6561535 - Hose control for planter apparatus