Growing community of inventors

Erdweg, Germany

Peter Andreas Gratzl

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 = 10

Peter Andreas Gratzl ↔ Hagen Friedrich (1 patent)Peter Andreas Gratzl ↔ Joachim Engelmann (1 patent)Peter Andreas GratzlPeter Andreas Gratzl (1 patent)Hagen FriedrichHagen Friedrich (3 patents)Joachim EngelmannJoachim Engelmann (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Valeo Deutschland Gmbh & Co. Sicherheitssysteme (1 from 2 patents)


1 patent:

1. 6400041 - Device for interlocking the steering column of an automotive steering mechanism

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as of
12/20/2025
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