Average Co-Inventor Count = 1.33
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. Camfil Farr, Inc. (1 from 37 patents)
2. Camfil USA, Inc. (1 from 25 patents)
3. Charcoal Service Corporation (1 from 1 patent)
3 patents:
1. 9976770 - Exhaust filter module, and a method and apparatus for efficiency testing the same
2. 6770108 - Filter housing
3. D278553 - High-efficient charcoal filter or the like