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. Saarbergwerke Aktiengesellschaft (2 from 38 patents)
2. Chemische Fabrik Stockhausen Gmbh (1 from 67 patents)
2 patents:
1. 4997579 - Procedure for the draining of sludge
2. 4618414 - Process for separating mineral ultra-fine grain from washings obtained