Growing community of inventors

Dusseldorf, Germany

Helmut Wahl

Average Co-Inventor Count = 2.00

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 = 3

Helmut WahlPeter Dorries (2 patents)Helmut WahlHelmut Wahl (2 patents)Peter DorriesPeter Dorries (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cassella Aktiengesellschaft (2 from 260 patents)

2. Theodor Hymmen Kg (2 from 4 patents)


2 patents:

1. 4533590 - Carrier materials coated with amino resin dispersions, and their further

2. 4532292 - Amino resin dispersions

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12/19/2025
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