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. Melitta-werke Bentz & Sohn (1 from 21 patents)
1 patent:
1. 4957632 - Valve closing device for a filter vessel in a beverage maker