Average Co-Inventor Count = 4.03
ph-index = 9
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 (8 from 429 patents)
2. Other (2 from 832,680 patents)
3. Healthy Gain Investments Limited (2 from 6 patents)
12 patents:
1. 7533439 - Handle assembly for a cleaning apparatus
2. 7363681 - Suction shut off device for a cleaning apparatus
3. 7362064 - Control arrangement for a cleaning appliance
4. 7340797 - Recovery tank for a cleaning apparatus
5. 7331082 - Tank arrangement for a cleaning apparatus
6. 7299521 - Brush assembly distribution apparatus
7. 7200893 - Brush assembly for a floor cleaning unit
8. 7146679 - Apparatus and method for cleaning a surface
9. 6880201 - Motor-fan cooling air directed into filter bag
10. 6681442 - Apparatus and method for cleaning a surface
11. 6481050 - Motor-fan cooling air directed into filter bag
12. 5863309 - Hard bag door with air directing arrangement