Average Co-Inventor Count = 3.27
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 Inc. (3 from 9,500 patents)
3 patents:
1. D551684 - Excavator bucket
2. 7234910 - Bucket for pin grabber coupler
3. D524826 - Bucket