Average Co-Inventor Count = 2.67
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 Inc. (2 from 9,483 patents)
2 patents:
1. 6533061 - Bolt-together hitch for articulated machine
2. 5971425 - Suspension system for a load carrying machine