Growing community of inventors

Hamburg, Germany

Hellmuth Fehrs

Average Co-Inventor Count = 1.33

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 = 52

Hellmuth FehrsWolfgang Elliesen (1 patent)Hellmuth FehrsHellmuth Fehrs (2 patents)Wolfgang ElliesenWolfgang Elliesen (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Joh. Friedrich Behrens Ag (2 from 29 patents)


2 patents:

1. 4749115 - Magazine for a power-driven drive-in apparatus for the accommodation of

2. 4351464 - Compressed air-operated fastener driving tool with release safety means

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as of
12/11/2025
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