Average Co-Inventor Count = 2.00
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. Massey-ferguson Services N.v. (2 from 133 patents)
2 patents:
1. 4129192 - Hydrostatic transmissions
2. 4116292 - Hydrostatic transmissions