Growing community of inventors

Aachen, Germany

Erich Walczak

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 = 2

Erich WalczakDirk Hessberger (1 patent)Erich WalczakKarlheinz Grouls (1 patent)Erich WalczakErich Walczak (1 patent)Dirk HessbergerDirk Hessberger (3 patents)Karlheinz GroulsKarlheinz Grouls (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Schumag Ag (1 from 9 patents)


1 patent:

1. 6638150 - Workpiece holder for a machining apparatus and a corresponding cross-cut machine

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as of
12/19/2025
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