Average Co-Inventor Count = 3.26
ph-index = 4
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 (5 from 1,201 patents)
5 patents:
1. D338144 - Angled pneumatic grinder
2. D333766 - Angled pneumatic grinder
3. D330496 - Pneumatic grinder
4. D321462 - Extended pneumatic tool
5. 5052496 - Apparatus for attaching power tool housing extensions