Average Co-Inventor Count = 2.71
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. The Hoover Comapny (4 from 429 patents)
4 patents:
1. D481182 - Vacuum cleaner dirt receptacle lid
2. 6615444 - Dirt collection system for a vacuum cleaner
3. 6513190 - Turbine powered vacuum cleaner nozzle
4. 6260233 - Removable hose and tool caddy for a vacuum cleaner