Growing community of inventors

Hagen, Germany

Harald Heerdegen

Average Co-Inventor Count = 4.44

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 = 7

Harald HeerdegenArno Gardziella (1 patent)Harald HeerdegenRolf Herzog (1 patent)Harald HeerdegenUlrich Grundke (1 patent)Harald HeerdegenAlois Kwasniok (1 patent)Harald HeerdegenDietrich Tichy (1 patent)Harald HeerdegenRolf Kraas (1 patent)Harald HeerdegenGerhard Janocha (1 patent)Harald HeerdegenHarald Heerdegen (2 patents)Arno GardziellaArno Gardziella (18 patents)Rolf HerzogRolf Herzog (10 patents)Ulrich GrundkeUlrich Grundke (6 patents)Alois KwasniokAlois Kwasniok (5 patents)Dietrich TichyDietrich Tichy (1 patent)Rolf KraasRolf Kraas (1 patent)Gerhard JanochaGerhard Janocha (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rutgerswerke Aktiengesellschaft (2 from 140 patents)


2 patents:

1. 4634723 - Furfuryl alcohol binders, methods for their production and use

2. 4568727 - Storage stable, heat curable mixtures of epoxy resins and method for

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as of
12/17/2025
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