Average Co-Inventor Count = 4.00
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. Firma Carl Still Gmbh & Co Kg (2 from 69 patents)
2. Rheinische Braunkohlenwerke Ag (1 from 48 patents)
2 patents:
1. 4293388 - Apparatus for producing abrasion-proof coke forms from bituminous coal,
2. 4259157 - Method of producing abrasion-proof coke forms from bituminous coal,