Growing community of inventors

Bondy, France

Alain Van Hemelryck

Average Co-Inventor Count = 2.00

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.

Forward Citations = 9

Alain Van HemelryckJean-Claude Dumas (1 patent)Alain Van HemelryckLouis-Marc Gaudefroy (1 patent)Alain Van HemelryckAlain Van Hemelryck (2 patents)Jean-Claude DumasJean-Claude Dumas (3 patents)Louis-Marc GaudefroyLouis-Marc Gaudefroy (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gec Alsthom Transport Sa (1 from 72 patents)

2. Societe Anonyme Dite:alsthom (1 from 22 patents)


2 patents:

1. 5407032 - Braking system for a rail vehicle using materials based on carbon

2. 4850652 - Feed circuit for railway braking systems

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12/12/2025
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