Average Co-Inventor Count = 2.86
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. Air Products and Chemicals, Inc. (1 from 3,189 patents)
2. Permea, Inc. (1 from 20 patents)
2 patents:
1. 6180168 - Process for the manufacture of a membrane device with internal sweep
2. 5215554 - Membranes having enhanced selectivity and method of producing such