Average Co-Inventor Count = 6.11
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 (3 from 429 patents)
3 patents:
1. D541498 - Suction nozzle for a vacuum cleaner
2. D504548 - Upper housing for a vacuum cleaner
3. 6640386 - Floor cleaning unit with a brush assembly