Average Co-Inventor Count = 2.86
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. Gec Alsthom Transport Sa (2 from 72 patents)
2. Centre National De La Recherche Scientifique (5,076 patents)
3. Commissariat À L'Énergie Atomique Et Aux Énergies Alternatives (4,872 patents)
4. Université De Limoges (48 patents)
2 patents:
1. 5984773 - Method and apparatus for regulating the internal pressure of a
2. 5647793 - Apparatus and method for preventing sudden changes of pressure in