Average Co-Inventor Count = 4.29
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. Ingersoll-rand Company (3 from 1,201 patents)
3 patents:
1. D341530 - Angled pneumatic grinder head
2. D339045 - Pneumatic grinder
3. D332733 - Pneumatic tool