Average Co-Inventor Count = 4.00
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 832,680 patents)
3 patents:
1. 6896719 - Dirt collecting system for a floor care appliance
2. 6818032 - Dirt collecting system for a vacuum cleaner
3. 6596044 - Dirt collecting system for a vacuum cleaner