Average Co-Inventor Count = 7.00
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. Wabco Westinghouse Equipements Ferroviaires (1 from 2 patents)
2. Regie Autonome Des Transports Prisiens 'Ratp' (1 from 1 patent)
1 patent:
1. 4895227 - Spring brake unit and its application to a braking system