Growing community of inventors

Ratingen, Germany

Rainer Duwelhenke

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 = 2

Rainer DuwelhenkeFriedhelm Kumpf (1 patent)Rainer DuwelhenkeDietmar Lieder (1 patent)Rainer DuwelhenkeRainer Duwelhenke (1 patent)Friedhelm KumpfFriedhelm Kumpf (4 patents)Dietmar LiederDietmar Lieder (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Frisch Kabel - Und Verseilmaschinenbau Gmbh (1 from 5 patents)


1 patent:

1. 5513487 - Process and apparatus for reverse-twisting cable elements

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as of
12/17/2025
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