Average Co-Inventor Count = 3.43
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. Feldmuhle Anlagen- Und Produktionsgesellschaft MIT Beschrankter Haftung (2 from 6 patents)
2 patents:
1. 3998731 - Method of purifying the waste water of paper mills
2. 3998730 - Method of purifying waste water