Average Co-Inventor Count = 3.00
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. 6162272 - Accordion filter insert having an elastic sealing lip unitary with a