Average Co-Inventor Count = 5.22
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. (4 from 1,404 patents)
4 patents:
1. D425977 - Inside surface of a filter element having insert construction
2. 6004366 - Reverse flow air filter arrangement and method
3. 5938804 - Reverse flow air filter arrangement and method
4. 5897676 - Reverse flow air filter arrangement and method