Average Co-Inventor Count = 4.61
ph-index = 1
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. Gardner Denver, Inc. (3 from 31 patents)
3 patents:
1. 11644034 - Complex screw rotors
2. 10975867 - Complex screw rotors
3. D901542 - Vacuum pump