Average Co-Inventor Count = 7.20
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. The Hoover Comapny (2 from 429 patents)
2 patents:
1. D548906 - Grout cleaning tool
2. D523600 - Tank for a floor care appliance