Growing community of inventors

Düsseldorf, Germany

Hermann Grabhorn

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 = 4

Hermann Grabhorn ↔ Friedhelm Herzog (7 patents)Hermann Grabhorn ↔ Friedel Michel (1 patent)Hermann Grabhorn ↔ Ulrich Klebe (1 patent)Hermann Grabhorn ↔ Ulrich Klebe (0 patent)Hermann GrabhornHermann Grabhorn (1 patent)Friedhelm HerzogFriedhelm Herzog (7 patents)Friedel MichelFriedel Michel (5 patents)Ulrich KlebeUlrich Klebe (2 patents)Ulrich KlebeUlrich Klebe (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. L'air Liquide, Société Anonyme Pour L'etude Et L'exploitation Des Procédés Georges Claude (1 from 1,435 patents)

2. Messer Group Gmbh (3 patents)

3. Air Liquide Deutschland Gmbh (3 patents)


1 patent:

1. 7490635 - Method for filling a pressure vessel with gas

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12/27/2025
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