Growing community of inventors

Bovenden, Germany

Walter Franken

Average Co-Inventor Count = 4.00

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 = 6

Walter Franken ↔ Horst Perl (1 patent)Walter Franken ↔ Ludwig Weickhardt (1 patent)Walter Franken ↔ Dieter Nussbaumer (1 patent)Walter FrankenWalter Franken (1 patent)Horst PerlHorst Perl (8 patents)Ludwig WeickhardtLudwig Weickhardt (3 patents)Dieter NussbaumerDieter Nussbaumer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sartorius (1 from 84 patents)


1 patent:

1. 4253963 - Asymmetrical ultrafiltration membrane on the basis of cellulose

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1/8/2026
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