Average Co-Inventor Count = 2.40
ph-index = 1
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. Firma Carl Freudenberg (2 from 629 patents)
2 patents:
1. 6682683 - Method for manufacturing an accordion filter insert
2. 6179891 - Filter arrangement and a method for its manufacture