Average Co-Inventor Count = 3.43
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. 4258544 - Dual fluid fuel nozzle
2. 4191356 - Engine mounting base