Growing community of inventors

Osterode am Harz, Germany

Norbert Zellmann

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 = 22

Norbert Zellmann ↔ Wolf-Ruediger Canders (1 patent)Norbert Zellmann ↔ Joachim Heldt (1 patent)Norbert ZellmannNorbert Zellmann (1 patent)Wolf-Ruediger CandersWolf-Ruediger Canders (4 patents)Joachim HeldtJoachim Heldt (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Anton Piller Gmbh & Co. Kg (1 from 11 patents)


1 patent:

1. 5485045 - Rotor for permanent magnet-excited, high-speed electric machines and

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12/18/2025
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