Average Co-Inventor Count = 3.46
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. Kohler Company (3 from 3,412 patents)
3 patents:
1. 9206721 - Cyclonic air cleaner
2. 8808432 - Cyclonic air cleaner
3. D632770 - Cyclonic air cleaner housing