Average Co-Inventor Count = 4.61
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. Dbt Gmbh (2 from 63 patents)
2. Dbt Automation Gmbh (1 from 17 patents)
3. Dbh Gmbh (1 from 5 patents)
4 patents:
1. 7320625 - Control device for electrohydraulic support controller
2. 7238055 - Individual controller for shield support frames
3. 7177709 - Controller for underground mining
4. 7040174 - Pressure cell device for measuring hydraulic pressures