Average Co-Inventor Count = 2.60
ph-index = 19
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. Shop Vac Corporation (65 from 411 patents)
2. Mcculloch Corporation (1 from 66 patents)
3. Robert C. Berfield (0 patent)
4. Robert L. Crevling (0 patent)
5. Randy L. Buss (0 patent)
6. Craig a. Seasholtz (0 patent)
68 patents:
1. 11490773 - Filter system for a vacuum cleaner
2. 11359643 - Fan having housing formed by connectable pieces and including air guide ribs and an internal ramp
3. 11304579 - Vacuum filter having annular catch
4. 10702114 - Vacuum cleaner handle mount assembly
5. 10368706 - Vacuum filter having annular catch
6. 10292551 - Vacuum cleaner switch assembly
7. D815379 - Vacuum cleaner
8. D806332 - Vacuum cleaner
9. D787765 - Vacuum cleaner
10. 9591954 - Vacuum cleaner switch assembly
11. D758683 - Vacuum cleaner
12. 9167942 - Vacuum cleaner with hose fence and tool storage
13. D713109 - Vacuum cleaner
14. 8689396 - Portable combined toolbox and vacuum cleaner
15. D691336 - Blower