Average Co-Inventor Count = 3.16
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. Hydraulik-ring Gmbh (3 from 90 patents)
3 patents:
1. 7121553 - Bushing for a hydraulic valve
2. 6899126 - Check valve and valve arrangement comprising such a check valve
3. 6892759 - Valve having at least one screen