Average Co-Inventor Count = 2.00
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. Mount Isa Mines Limited (2 from 20 patents)
2. Erich Netzsch Gmbh & Co. Holding Kg (1 from 4 patents)
3. Erich Netzsch Gmgh & Co. Holding Kg (1 from 1 patent)
2 patents:
1. 5984213 - Attrition mill
2. 5797550 - Attrition mill