Average Co-Inventor Count = 3.00
ph-index = 11
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. Mine Safety Appliances Company (15 from 242 patents)
15 patents:
1. D683501 - Visor frame
2. D683078 - Visor
3. D683077 - Visor interface
4. D677435 - Visor
5. D677008 - Visor
6. D675787 - Visor
7. D675788 - Visor
8. D675786 - Visor
9. D675785 - Visor interface
10. D674560 - Chin guard
11. D672683 - Chin guard
12. D669639 - Visor
13. D662261 - Visor
14. D661841 - Visor
15. D661840 - Visor frame