Average Co-Inventor Count = 2.00
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. Dyckerhoff Ag (2 from 4 patents)
2 patents:
1. 6131344 - Mixed construction material for slit wall of excavation pit lining
2. 5820303 - Excavation pit lining and method for its production