Average Co-Inventor Count = 2.61
ph-index = 4
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 (5 from 325 patents)
5 patents:
1. 4474411 - Guides for mineral mining machines
2. 4286823 - Conveyor and guide assembly
3. 4205882 - Mineral mining conveyor with guide connecting feature
4. 4108495 - Guides for mineral mining machines
5. 4067619 - Longwall machine guide with detachable cover plate