Average Co-Inventor Count = 5.00
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. D803748 - Four-lug wheel rim
2. D792304 - Four-lug wheel rim
3. D792312 - Four-lug wheel rim