Average Co-Inventor Count = 1.20
ph-index = 16
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. Hayco Manufacturing Limited (37 from 115 patents)
37 patents:
1. 8196249 - Cleaning implement
2. D559490 - Handle for cleaning implement
3. D555316 - Dustpan
4. D548977 - Cleaning implement
5. D548976 - Scraper with brush
6. D547512 - Cleaning implement
7. 7213998 - Water-supplying cleaning head
8. D540543 - Cleaning implement
9. D540043 - Cleaning implement
10. D533324 - Cleaning implement
11. D531367 - Cleaning implement
12. D527189 - Handle with base for cleaning implement
13. D524548 - Cleaning implement
14. D521249 - Handle for a cleaning implement
15. D519354 - Valve unit