Average Co-Inventor Count = 4.00
ph-index = 6
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. (6 from 1,404 patents)
6 patents:
1. D475129 - Radial seal filter element with press-on fin structure
2. D416308 - Safety filter element
3. D414544 - Filter element
4. D412568 - Cover for a housing for an air cleaner
5. D412567 - Housing for an air cleaner
6. D401306 - Filter element