Growing community of inventors

Dossenheim, Germany

Wilhelm Lefken

Average Co-Inventor Count = 3.75

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

Wilhelm LefkenKarl-Heinz Helmstädter (1 patent)Wilhelm LefkenDieter Schaffrath (1 patent)Wilhelm LefkenThomas Schmidt (1 patent)Wilhelm LefkenJürgen Michels (1 patent)Wilhelm LefkenOlaf Lorenz (1 patent)Wilhelm LefkenSonja Kaufmann (1 patent)Wilhelm LefkenWilhelm Lefken (2 patents)Karl-Heinz HelmstädterKarl-Heinz Helmstädter (19 patents)Dieter SchaffrathDieter Schaffrath (19 patents)Thomas SchmidtThomas Schmidt (18 patents)Jürgen MichelsJürgen Michels (11 patents)Olaf LorenzOlaf Lorenz (6 patents)Sonja KaufmannSonja Kaufmann (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Heidelberger Druckmaschinen Ag (2 from 2,544 patents)


2 patents:

1. 8141487 - Printing press having an anilox inking unit with an associated washing device

2. 7849794 - Device for transporting sheets in straight printing or perfecting operation by way of tongs grippers

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idiyas.com
as of
12/13/2025
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