Growing community of inventors

Moers, Germany

Manfred Witzel

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 = 20

Manfred WitzelHorst-Dieter Schafer (1 patent)Manfred WitzelPaul Loosen (1 patent)Manfred WitzelHermann Haarkotter (1 patent)Manfred WitzelManfred Witzel (1 patent)Horst-Dieter SchaferHorst-Dieter Schafer (5 patents)Paul LoosenPaul Loosen (3 patents)Hermann HaarkotterHermann Haarkotter (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ringfeder Gmbh (1 from 12 patents)


1 patent:

1. 4025213 - Shaft coupled to surrounding hub

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12/21/2025
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