Average Co-Inventor Count = 4.00
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. Ingersoll-rand Company (3 from 1,201 patents)
3 patents:
1. 6401836 - Speed regulating apparatus for a pneumatic tool
2. D434957 - Pneumatic tool
3. D433610 - Pneumatic tool