Average Co-Inventor Count = 5.54
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. Other (1 from 832,680 patents)
2. The Hoover Comapny (1 from 429 patents)
2 patents:
1. 7360275 - Dirt separation system for a vacuum cleaner
2. 6875255 - Removable dirt separation system for a vacuum cleaner