Average Co-Inventor Count = 5.87
ph-index = 2
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. The Hoover Comapny (2 from 429 patents)
2 patents:
1. 7331082 - Tank arrangement for a cleaning apparatus
2. 7203991 - Portable cleaning machine