Average Co-Inventor Count = 5.22
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. Netzsch-mohnopumpen Gmbh (2 from 20 patents)
2 patents:
1. 7618246 - Eccentric screw pump having conical sealing surfaces
2. 7104770 - Eccentric screw-type pump with spare stator