Growing community of inventors

Cologne, Germany

Friedhelm Bergmann

Average Co-Inventor Count = 8.00

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 = 28

Friedhelm Bergmann ↔ Jens Herwig (1 patent)Friedhelm Bergmann ↔ Manfred Stiller (1 patent)Friedhelm Bergmann ↔ Helmut Wolter (1 patent)Friedhelm Bergmann ↔ Hilmar Straube (1 patent)Friedhelm Bergmann ↔ Wilfried Schmidt (1 patent)Friedhelm Bergmann ↔ Hagen Norenberg (1 patent)Friedhelm Bergmann ↔ Horst Schlemmermeyer (1 patent)Friedhelm BergmannFriedhelm Bergmann (1 patent)Jens HerwigJens Herwig (15 patents)Manfred StillerManfred Stiller (1 patent)Helmut WolterHelmut Wolter (1 patent)Hilmar StraubeHilmar Straube (1 patent)Wilfried SchmidtWilfried Schmidt (1 patent)Hagen NorenbergHagen Norenberg (1 patent)Horst SchlemmermeyerHorst Schlemmermeyer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ec Erdolchemie Gmbh (1 from 33 patents)


1 patent:

1. 4712434 - Device for emission-free sampling of volatile liquids

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12/9/2025
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