Average Co-Inventor Count = 2.43
ph-index = 13
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. Emerson Electric Company (18 from 2,301 patents)
18 patents:
1. 6347429 - Wet/dry vacuum drain system
2. D447609 - Combined wet/dry vacuum cleaner dolly and accessory storage unit
3. D443739 - Combined wet and dry vacuum cleaner
4. 6237187 - Wet/dry vacuum dolly
5. 6115881 - Secure hose locking device
6. 5996170 - Wet/dry vacuum with non-cylindrical canister
7. 5765257 - Muffler
8. 5733351 - Two stage vacuum cleaner filter
9. D392780 - Vacuum cleaner nozzle
10. D386842 - Portable electric tool vac
11. 5487213 - Method of assembling an electric motor
12. 5419007 - Snap together wet nozzle
13. 5025529 - Portable hand held vacuum cleaner
14. 4993106 - Portable hand held vacuum cleaner
15. D311797 - Vacuum cleaner squeegee attachment