Growing community of inventors

Koln, Germany

Karl Welpmann

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

Karl WelpmannWerner Schelb (1 patent)Karl WelpmannManfred Peters (1 patent)Karl WelpmannKarl Welpmann (1 patent)Werner SchelbWerner Schelb (4 patents)Manfred PetersManfred Peters (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hoogovens Aluminium Gmbh (1 from 1 patent)

2. Duetsche Forschungsanstalt Fur Luft Und Raumfahrt Dlr (1 from 1 patent)


1 patent:

1. 5292386 - Process for the manufacture of aluminum sheets

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as of
12/20/2025
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