Average Co-Inventor Count = 1.33
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. 4448459 - Roadable track shoe with sealed grouser
2. 4359248 - Roadable grouser for track shoes