Average Co-Inventor Count = 2.69
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 (6 from 1,201 patents)
6 patents:
1. D341530 - Angled pneumatic grinder head
2. D338144 - Angled pneumatic grinder
3. D333766 - Angled pneumatic grinder
4. 5123504 - Lubricator
5. D320541 - Angled pneumatic tool
6. 4789316 - Gear lubrication pump for an air motor