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. Krupp Polysius Ag (2 from 165 patents)
2 patents:
1. 4732334 - Apparatus for crushing brittle material for comminution
2. 4571176 - Bucket wheel valve