Average Co-Inventor Count = 11.00
ph-index = 3
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. Donaldson Comapny, Inc. (7 from 1,405 patents)
7 patents:
1. 12172111 - Filter medium and breather filter structure
2. RE50226 - Filter medium and structure
3. 11504663 - Filter medium and breather filter structure
4. RE49097 - Filter medium and structure
5. 10610813 - Filter medium and breather filter structure
6. RE47737 - Filter medium and structure
7. 9795906 - Filter medium and breather filter structure