Average Co-Inventor Count = 3.53
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. Bissell Homecare, Inc. (11 from 587 patents)
2. Bissell Inc. (4 from 415 patents)
3. Other (1 from 832,891 patents)
16 patents:
1. 6412141 - Upright extraction cleaning machine
2. 6286181 - Upright extraction cleaning machine
3. 6286180 - Upright water extraction cleaning machine pump priming
4. 6279196 - Upright water extraction cleaning machine
5. 6230362 - Upright extraction cleaning machine
6. 6192549 - Upright water extraction cleaning machine
7. 6167587 - Upright extraction cleaning machine
8. 6167586 - Upright water extraction cleaning machine with improved tank structure
9. 6134744 - Upright water extraction cleaning machine
10. 6081962 - Upright water extraction cleaning machine with improved float assembly
11. 6041472 - Upright water extraction cleaning machine
12. 5896617 - Water extraction cleaning machine with nesting tank assembly
13. 5867861 - Upright water extraction cleaning machine with two suction nozzles
14. 5655255 - Water extractor and nozzle therefor
15. D367342 - Floor cleaning machine