Growing community of inventors

Ulm, Germany

Walter Ludwig

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 46

Walter LudwigFranziska Schmid, Deceased (2 patents)Walter LudwigWalter Ludwig (2 patents)Franziska Schmid, DeceasedFranziska Schmid, Deceased (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Carl Walther Gmbh (2 from 32 patents)


2 patents:

1. 4326353 - Magazine catch release for a hand firearm

2. 4313274 - Firing pin safety device for hand firearms

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as of
12/19/2025
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