Average Co-Inventor Count = 3.67
ph-index = 7
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 Scott-fetzer Company (8 from 257 patents)
2. The Kirby Company / Scott Fetzer Company (1 from 5 patents)
9 patents:
1. 9713411 - Surface-treatment apparatus and head unit
2. 7854038 - Vacuum cleaner with removable handle
3. 7694383 - Upright vacuum cleaner with removable power head
4. 7587786 - Vacuum cleaner with removable handle
5. 7409745 - Cleaning pad for vacuum cleaner
6. 6886215 - Vacuum cleaner fill tube with valve
7. 6517596 - Wet pickup attachment for vacuum cleaners
8. 6324723 - Wet pickup attachment for vacuum cleaners
9. D449138 - Wet pickup vacuum attachment