Average Co-Inventor Count = 1.00
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. Maschinenfabrik Köppern Gmbh & Co. Kg (2 from 16 patents)
2. Maschinenfabrick Koppern Gmbh & Co. Kg (1 from 1 patent)
3 patents:
1. 5666638 - Process for producing sponge iron briquettes from fine ore
2. 5630202 - Method for making sponge iron briquettes from fine ore
3. 4439384 - Method for manufacturing graules from potassium chloride fines