Growing community of inventors

Krefeld, Germany

Birgit Winkelmann

Average Co-Inventor Count = 2.40

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 = 76

Birgit WinkelmannWerner Strothoff (2 patents)Birgit WinkelmannAlfred Laufenberg (1 patent)Birgit WinkelmannBirgit Winkelmann (2 patents)Werner StrothoffWerner Strothoff (2 patents)Alfred LaufenbergAlfred Laufenberg (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Henkel Ecolab Gmbh Co. Ohg (1 from 38 patents)


2 patents:

1. 6372698 - Lubricant for chain conveyor belts and its use

2. 5565127 - Surfactant base for soapless lubricants

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1/11/2026
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