Growing community of inventors

Duisburg, Germany

Arnold Pfeiffer

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 = 1

Arnold Pfeiffer ↔ Hans Gruner (1 patent)Arnold Pfeiffer ↔ Heinrich-Wilhelm Rommerswinkel (1 patent)Arnold Pfeiffer ↔ Rolf Vest (1 patent)Arnold PfeifferArnold Pfeiffer (1 patent)Hans GrunerHans Gruner (12 patents)Heinrich-Wilhelm RommerswinkelHeinrich-Wilhelm Rommerswinkel (2 patents)Rolf VestRolf Vest (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mannesmann Aktiengesellschaft (1 from 1,150 patents)


1 patent:

1. 4539042 - Preventing an increase of the nitrogen content in molten steel

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12/16/2025
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