Average Co-Inventor Count = 4.00
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. Campbell Hausfeld/scott Fetzer Company (3 from 136 patents)
3 patents:
1. 7431346 - Quick connect coupling
2. D520687 - Pressure washer
3. D519693 - Pressure washer