Growing community of inventors

Cologne, Germany

Kai Wirz

Average Co-Inventor Count = 4.00

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 = 36

Kai Wirz ↔ Ralf Helmut Hetzer (2 patents)Kai Wirz ↔ Dirk Blunk (2 patents)Kai Wirz ↔ Angela Sager-Wiedmann (2 patents)Kai WirzKai Wirz (2 patents)Ralf Helmut HetzerRalf Helmut Hetzer (3 patents)Dirk BlunkDirk Blunk (3 patents)Angela Sager-WiedmannAngela Sager-Wiedmann (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Universität Zu Koln (2 from 24 patents)


2 patents:

1. 9687686 - Siloxane-containing fire extinguishing foam

2. 9446272 - Siloxane-containing fire extinguishing foam

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1/9/2026
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