Growing community of inventors

Munich, Georgia

Helmut Weidner

Average Co-Inventor Count = 2.00

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 = 0

Helmut Weidner ↔ Helmut Landgraf (1 patent)Helmut WeidnerHelmut Weidner (1 patent)Helmut LandgrafHelmut Landgraf (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mannesmannrohren-werke Ag (1 from 21 patents)


1 patent:

1. 3958796 - Quench-hardening of pipes

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as of
12/20/2025
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