Average Co-Inventor Count = 3.27
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. Gewerkschaft Eisenhutte Westfalia, Gmbh (3 from 325 patents)
3 patents:
1. 4391471 - Guides for mineral mining machines
2. 4286823 - Conveyor and guide assembly
3. 3960265 - Mining installations