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. Caterpillar Tractor Co. (2 from 1,981 patents)
2 patents:
1. 4577524 - Vehicle transfer gear and drive line brake mechanism
2. 4542801 - Vehicle transfer gear mechanism