Growing community of inventors

Dinslaken, Germany

Elmar Wiejack-Symann

Average Co-Inventor Count = 6.00

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 = 4

Elmar Wiejack-Symann ↔ Uwe Tillessen (1 patent)Elmar Wiejack-Symann ↔ Frank Fischer (1 patent)Elmar Wiejack-Symann ↔ Jorg Wirtz (1 patent)Elmar Wiejack-Symann ↔ Jörg Wirtz (7 patents)Elmar Wiejack-Symann ↔ Willi Klingbeil (1 patent)Elmar Wiejack-Symann ↔ Matthias Köhler (1 patent)Elmar Wiejack-Symann ↔ Matthias Kohler (1 patent)Elmar Wiejack-SymannElmar Wiejack-Symann (1 patent)Uwe TillessenUwe Tillessen (17 patents)Frank FischerFrank Fischer (15 patents)Jorg WirtzJorg Wirtz (10 patents)Jörg WirtzJörg Wirtz (7 patents)Willi KlingbeilWilli Klingbeil (2 patents)Matthias KöhlerMatthias Köhler (1 patent)Matthias KohlerMatthias Kohler (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Global Mining Europe Gmbh (1 from 75 patents)


1 patent:

1. 8662287 - Scraper for scraper chain conveyors

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as of
12/16/2025
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