Average Co-Inventor Count = 1.50
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. (3 from 1,981 patents)
3 patents:
1. 4375247 - Roller suspension
2. 4172486 - Apparatus for cleaning a track assembly
3. T981004 - Resiliently mounted wheel assembly