Average Co-Inventor Count = 3.13
ph-index = 6
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. Cooper Industries, Inc. (6 from 901 patents)
6 patents:
1. 5222844 - Air logic circuit for airfeed peck drill
2. D316508 - Airfeed peck drill
3. D315280 - Nose piece for airfeed peck drill
4. D315279 - Nose piece for airfeed peck drill
5. D309616 - Nose piece for a peck drill
6. 4867617 - Air logic circuit for airfeed peck drill