Growing community of inventors

Aachen, Germany

Holger Wirtz

Average Co-Inventor Count = 5.00

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 = 2

Holger Wirtz ↔ Gerd Daubinger (1 patent)Holger Wirtz ↔ Horst Rahmsdorf (1 patent)Holger Wirtz ↔ Wulf Woesthoff (4 patents)Holger Wirtz ↔ Felix Ferlemann (1 patent)Holger Wirtz ↔ Frank Brandenburg (1 patent)Holger Wirtz ↔ Edward Goldsmith (0 patent)Holger Wirtz ↔ Franz Torgau (0 patent)Holger Wirtz ↔ Walter Schmitz (0 patent)Holger Wirtz ↔ Jürgen Sponheimer (0 patent)Holger WirtzHolger Wirtz (1 patent)Gerd DaubingerGerd Daubinger (12 patents)Horst RahmsdorfHorst Rahmsdorf (5 patents)Wulf WoesthoffWulf Woesthoff (4 patents)Felix FerlemannFelix Ferlemann (3 patents)Frank BrandenburgFrank Brandenburg (1 patent)Edward GoldsmithEdward Goldsmith (0 patent)Franz TorgauFranz Torgau (0 patent)Walter SchmitzWalter Schmitz (0 patent)Jürgen SponheimerJürgen Sponheimer (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hilti Aktiengesellschaft (1 from 2,213 patents)

2. Grohe Ag (486 patents)

3. Ideal Standard International Nv (1 patent)


1 patent:

1. 6126368 - Rotary tool with a cooling apparatus

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as of
12/20/2025
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