Growing community of inventors

Hilden, Germany

Michael Langen

Average Co-Inventor Count = 4.71

ph-index = 4

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 = 34

Michael LangenKarl Heinz Schmid (2 patents)Michael LangenAlfred Meffert (2 patents)Michael LangenKlaus Friedrich (2 patents)Michael LangenKlaus Herrmann (2 patents)Michael LangenKarl-Heinz Schmid (1 patent)Michael LangenRainer Eskuchen (1 patent)Michael LangenDetlev Stanislowski (1 patent)Michael LangenThomas Albers (1 patent)Michael LangenKarin Koren (1 patent)Michael LangenChristoph G Schunicht (1 patent)Michael LangenUte Lemke (1 patent)Michael LangenMichael Langen (4 patents)Karl Heinz SchmidKarl Heinz Schmid (67 patents)Alfred MeffertAlfred Meffert (41 patents)Klaus FriedrichKlaus Friedrich (8 patents)Klaus HerrmannKlaus Herrmann (6 patents)Karl-Heinz SchmidKarl-Heinz Schmid (42 patents)Rainer EskuchenRainer Eskuchen (36 patents)Detlev StanislowskiDetlev Stanislowski (10 patents)Thomas AlbersThomas Albers (9 patents)Karin KorenKarin Koren (5 patents)Christoph G SchunichtChristoph G Schunicht (3 patents)Ute LemkeUte Lemke (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Kommanditgesellschaft Auf Aktien (3 from 2,080 patents)

2. Cognis IP Management Gmbh (1 from 229 patents)


4 patents:

1. 8354368 - Cleaning composition comprising graft copolymers

2. 5205959 - Alkali-stable foam inhibitors

3. 5069817 - Process for making polyoxyethylene surfactants with desirable low

4. 4967017 - Alcohol ethoxylates of reduced EO content or residual PO content

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as of
12/26/2025
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