Growing community of inventors

Essen, Germany

Alfred Mertens

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 129

Alfred MertensRonald Kim (2 patents)Alfred MertensFranz Schafer (1 patent)Alfred MertensAlfred Mertens (3 patents)Ronald KimRonald Kim (21 patents)Franz SchaferFranz Schafer (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Uhde Gmbh (1 from 177 patents)

2. Didier Engineering Gmbh (1 from 106 patents)

3. Thyssenkrupp Uhde Gmbh (1 from 96 patents)

4. Thyssenkrupp Industrial Solutions Ag (153 patents)


3 patents:

1. 8980063 - Air proportioning system for secondary air in coke ovens depending on the vault vs. sole temperature ratio

2. 8409405 - Device and method for dosing or shutting off primary combustion air in the primary heating room of horizontal coke-oven chambers

3. 4361468 - Flue housing for a coke oven

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1/9/2026
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