Average Co-Inventor Count = 1.20
ph-index = 3
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. 4218105 - Sound suppressed battery box
2. 4071107 - Engine side guard mounting
3. 4025108 - Seat support prop