Average Co-Inventor Count = 6.88
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 (2 from 429 patents)
2. Other (1 from 832,843 patents)
3 patents:
1. 6875255 - Removable dirt separation system for a vacuum cleaner
2. 5961676 - Hard bag door with air directing arrangement
3. 5863309 - Hard bag door with air directing arrangement