Growing community of inventors

Berlin, Germany

Hugo Girrbach

Average Co-Inventor Count = 3.00

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 = 0

Hugo GirrbachRoland Griese (1 patent)Hugo GirrbachChristian Trenner (1 patent)Hugo GirrbachHugo Girrbach (1 patent)Roland GrieseRoland Griese (5 patents)Christian TrennerChristian Trenner (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Walter Hanke Mechanische Werkstaetten Gmbh & Co. Kg (0 patent)


1 patent:

1. 8747194 - Device for singularising coins

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12/15/2025
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