Growing community of inventors

Essen, Germany

Siegfried Schumann

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 = 15

Siegfried Schumann ↔ Josef Schultenkamper (1 patent)Siegfried Schumann ↔ Bernd Eckert (1 patent)Siegfried SchumannSiegfried Schumann (1 patent)Josef SchultenkamperJosef Schultenkamper (6 patents)Bernd EckertBernd Eckert (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gelenkwellenbau Gmbh (1 from 21 patents)


1 patent:

1. 4053248 - Coupling flange for a torque transmitting shaft

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12/15/2025
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