Growing community of inventors

Heiligenhaus, Germany

Friedrich Orywal

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 = 3

Friedrich Orywal ↔ Martin Reinke (1 patent)Friedrich Orywal ↔ Georg Pollert (1 patent)Friedrich Orywal ↔ Claus Meyer-Wulf (1 patent)Friedrich OrywalFriedrich Orywal (1 patent)Martin ReinkeMartin Reinke (7 patents)Georg PollertGeorg Pollert (4 patents)Claus Meyer-WulfClaus Meyer-Wulf (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bergwerksverband Gmbh (1 from 231 patents)


1 patent:

1. 4743342 - Coke quenching apparatus

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1/19/2026
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