Average Co-Inventor Count = 6.00
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. D455442 - Air compressor enclosure for an oil free air compressor
2. D399595 - Portable light tower
3. 5806963 - Portable light tower