Growing community of inventors

Grandson, Switzerland

Roger Grilloud

Average Co-Inventor Count = 3.00

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.

Forward Citations = 5

Roger Grilloud ↔ Roger Dekumbis (1 patent)Roger Grilloud ↔ Denis Gonseth (1 patent)Roger GrilloudRoger Grilloud (1 patent)Roger DekumbisRoger Dekumbis (7 patents)Denis GonsethDenis Gonseth (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sulzer Brothers Limited (1 from 790 patents)

2. Amysa-yverdon, S.a. (1 from 1 patent)


1 patent:

1. 5224997 - Apparatus for producing a surface layer on a metallic workpiece

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as of
12/20/2025
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