Average Co-Inventor Count = 2.25
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. D395899 - Reciprocating compressor
2. 5759217 - Filter assembly for a fluid compressor
3. D392649 - Reciprocating compressor