Average Co-Inventor Count = 3.78
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. 3m Innovative Properties Company (4 from 14,084 patents)
4 patents:
1. D886273 - Filter element having a pattern
2. D792959 - Filter element having a pattern
3. D786443 - Filter element
4. D779674 - Filter element having a connector