Average Co-Inventor Count = 5.00
ph-index = 2
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. Johns Manville (2 from 1,011 patents)
2. Johnsmanville Europe Gmbh (2 patents)
2 patents:
1. 8147584 - Filter medium
2. 7993427 - Filter medium