Average Co-Inventor Count = 1.27
ph-index = 6
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. Other (8 from 832,680 patents)
2. Studebaker Enterprises, Inc. (2 from 2 patents)
3. Sapphire Scientific, Inc. (1 from 6 patents)
4. Hydramaster North America, Inc. (1 from 6 patents)
5. Hydramaster Corporation (1 from 3 patents)
6. Skagit Northwest Holdings, Inc. (1 from 1 patent)
7. Bartholmey, Brett Alan (0 patent)
8. Richardson, Bill Elmer (0 patent)
9. Studebaker, Roy (0 patent)
10. Wolfe, Kevin Andrew (0 patent)
11. Bruders, William Edward (0 patent)
12. Kevin Andrew Wolfe (0 patent)
13. Brett Alan Bartholmey (0 patent)
14. Bill Elmer Richardson (0 patent)
15. Roy Studebaker (0 patent)
15 patents:
1. 10264939 - Rotary surface cleaning tool
2. 9402523 - Rotary surface cleaning tool
3. 9186031 - Sprayless surface cleaning wand
4. 9179812 - Hard surface cleaners having cleaning heads with rotational assist, and associated systems, apparatuses and methods
5. 9107557 - Rotary surface cleaning tool
6. 8464735 - Sprayless surface cleaning wand
7. 8453295 - Dry vacuum cleaning appliance
8. 7971369 - Shrouded floor drying fan
9. RE41367 - Sprayless surface cleaner
10. 7238006 - Multiple impeller fan for a shrouded floor drying fan
11. RE39623 - Sprayless surface cleaner
12. 7201563 - Louvered fan grille for a shrouded floor drying fan
13. 7070662 - Sprayless surface cleaner
14. 7007403 - Shrouded floor drying fan
15. 6243914 - Sprayless surface cleaner