Average Co-Inventor Count = 3.26
ph-index = 15
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 (20 from 429 patents)
2. Other (1 from 832,680 patents)
21 patents:
1. D553814 - Upright vacuum cleaner
2. D553313 - Upright vacuum cleaner
3. D553314 - Upright vacuum cleaner foot
4. D541498 - Suction nozzle for a vacuum cleaner
5. 6818032 - Dirt collecting system for a vacuum cleaner
6. 6598263 - Vacuum cleaner dirt collecting system with filter cleaning devices
7. 6536074 - Conversion valve assembly
8. 6375696 - Vacuum cleaner with latching arrangement
9. 6260233 - Removable hose and tool caddy for a vacuum cleaner
10. 6108862 - Hand grip and upper handle assembly for a self-propelled upright vacuum
11. 5946771 - Vacuum cleaner air exhaust arrangement
12. 5943732 - Door valve for utility vacuum cleaners
13. 5644815 - Sliding door valve for utility vacuum cleaner
14. 5608945 - Wet/dry utility vacuum cleaner
15. 5455983 - Wet/dry utility vacuum cleaner