Average Co-Inventor Count = 3.00
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. Ducellier & Cie (1 from 14 patents)
2. Equiepments Electroques Moteur (1 from 1 patent)
2 patents:
1. 4967137 - High voltage electrical power supply device for the auxiliary circuit of
2. 4884018 - Device for supplying electricity at a temporary overvoltage to auxiliary