Average Co-Inventor Count = 1.40
ph-index = 7
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 (10 from 429 patents)
2. Other (1 from 832,718 patents)
11 patents:
1. 4748714 - Cleaner with belt shifting
2. 4720887 - Upper fill tube configuration
3. D292335 - Vacuum cleaner
4. 4480414 - Building construction
5. 4434865 - Power transmission for a cleaner
6. 4405346 - Cleaner with dirt cup
7. 4182618 - Fastening arrangement for upper fill tube on a soft bag cleaner
8. 4178653 - Improved agitator chamber
9. 4171554 - Nozzle height adjustment
10. 4151628 - Cleaner bottom plate configuration
11. 3958299 - Auxiliary air cooling system for canister cleaners