Growing community of inventors

Holzminden, Germany

Gerhard Spirik

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 = 1

Gerhard Spirik ↔ Ernst-Joachim Brunke (1 patent)Gerhard Spirik ↔ Willi Rojahn (1 patent)Gerhard SpirikGerhard Spirik (1 patent)Ernst-Joachim BrunkeErnst-Joachim Brunke (12 patents)Willi RojahnWilli Rojahn (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dragoco Gerberding & Co. Gmbh (1 from 16 patents)


1 patent:

1. 5711939 - Use of esters of branch-chain carboxylic acids with branch-chain

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12/13/2025
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