Growing community of inventors

Berlin, Germany

Dietmar Trenner

Average Co-Inventor Count = 1.33

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 = 8

Dietmar TrennerRoland Griese (2 patents)Dietmar TrennerDietmar Trenner (4 patents)Roland GrieseRoland Griese (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Walter Hanke Mechanische Werkstatten Gmbh & Co. Kg (2 from 8 patents)

2. Walter Hanke Mechanische Werstätten Gmbh & Co. Kg (1 from 1 patent)

3. Walter Hanke Mechanische Werkstätten Gmbh & Co. Kg (1 from 1 patent)


4 patents:

1. 7614544 - Intermediate cash box

2. 7516830 - Coin distributor

3. 6644456 - Electronic coin checker

4. 6615969 - Mechanical coin checker

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idiyas.com
as of
12/15/2025
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