Average Co-Inventor Count = 1.60
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. Mannesmann Aktiengesellschaft (1 from 1,150 patents)
2. Mannesmann Rexroth Corporation (1 from 238 patents)
2 patents:
1. 5775359 - Hydraulic pressure control valve, especially a hydraulic power brake
2. 5662390 - Method and appliance for controlling a power-brake valve