Growing community of inventors

Ludwigsburg, Germany

Erwin Weyrich

Average Co-Inventor Count = 2.00

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

Erwin WeyrichEberhard Hofmann (1 patent)Erwin WeyrichErwin Weyrich (1 patent)Eberhard HofmannEberhard Hofmann (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Robert Boschgmbh (1 from 29,302 patents)


1 patent:

1. 4190401 - Lock assembly for a drive shaft of a fuel injection pump for internal

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12/11/2025
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