Growing community of inventors

Obertshausen, Germany

Walter Graf

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 = 12

Walter Graf ↔ Dittmar Schwab (1 patent)Walter Graf ↔ Hermann Bartels (1 patent)Walter GrafWalter Graf (1 patent)Dittmar SchwabDittmar Schwab (7 patents)Hermann BartelsHermann Bartels (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ymos-metallwerke Wolf & Becker Gmbh & Co. (1 from 1 patent)


1 patent:

1. 4253320 - Magnetic lock

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as of
12/20/2025
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