Growing community of inventors

Duesseldorf, Germany

Norbert Schaefer

Average Co-Inventor Count = 3.43

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 = 19

Norbert SchaeferHans-Josef Beaujean (2 patents)Norbert SchaeferJuergen Haerer (1 patent)Norbert SchaeferHans Kruse (1 patent)Norbert SchaeferJens Bode (1 patent)Norbert SchaeferNorbert Schaefer (2 patents)Hans-Josef BeaujeanHans-Josef Beaujean (21 patents)Juergen HaererJuergen Haerer (20 patents)Hans KruseHans Kruse (13 patents)Jens BodeJens Bode (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Kommanditgesellschaft Auf Aktien (2 from 2,080 patents)


2 patents:

1. 5691293 - Stable, dual-function, phosphate-, metasilicate- and polymer-free

2. 5518645 - Process for the production of paste-form detergents

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as of
12/10/2025
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