Growing community of inventors

Friedrichshafen, Germany

Berhard Sich

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 = 1

Berhard SichAxel Matheis (1 patent)Berhard SichBerhard Sich (1 patent)Axel MatheisAxel Matheis (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zf Friedrichshafen Ag (1 from 3,448 patents)


1 patent:

1. 6878091 - Infinitely variable friction gear

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1/18/2026
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