Growing community of inventors

Grafrath, Germany

Marvin Doll

Average Co-Inventor Count = 4.44

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

Marvin DollPeter Heinbuch (2 patents)Marvin DollChristian Holzapfel (1 patent)Marvin DollJan Rehder (1 patent)Marvin DollChristian Vogl (1 patent)Marvin DollBastian Cording (1 patent)Marvin DollJohannes Katz (1 patent)Marvin DollHerr Peter Heinbuch (0 patent)Marvin DollHerr Christian Holzapfel (0 patent)Marvin DollMarvin Doll (2 patents)Peter HeinbuchPeter Heinbuch (6 patents)Christian HolzapfelChristian Holzapfel (15 patents)Jan RehderJan Rehder (2 patents)Christian VoglChristian Vogl (1 patent)Bastian CordingBastian Cording (1 patent)Johannes KatzJohannes Katz (1 patent)Herr Peter HeinbuchHerr Peter Heinbuch (0 patent)Herr Christian HolzapfelHerr Christian Holzapfel (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Schleifring Gmbh (2 from 25 patents)


2 patents:

1. 11171457 - Holder for slip ring brushes

2. 10833467 - Vibration absorbing device for slip-ring brushes

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as of
12/19/2025
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