Average Co-Inventor Count = 5.14
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. (6 from 1,404 patents)
6 patents:
1. 9815013 - Filter element support assembly, quick installation system, and methods
2. 9079132 - Filter arrangement and methods
3. 8956434 - Filter element support assembly, quick installation system, and methods
4. 8518142 - Filter arrangement and methods
5. D677370 - Filter element having wavy appearance
6. 7048500 - Silencer for ventilation system and methods