Growing community of inventors

Hemsbach, Germany

Helmut Grünhag

Average Co-Inventor Count = 5.00

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 = 2

Helmut GrünhagKlaus Heckel (2 patents)Helmut GrünhagGerhard Graab (2 patents)Helmut GrünhagDieter Rischer (2 patents)Helmut GrünhagThorsten Nahe (2 patents)Helmut GrünhagHelmut Grünhag (2 patents)Klaus HeckelKlaus Heckel (18 patents)Gerhard GraabGerhard Graab (15 patents)Dieter RischerDieter Rischer (7 patents)Thorsten NaheThorsten Nahe (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Firma Carl Freudenberg (2 from 629 patents)


2 patents:

1. 6503424 - Multicolored patterned floor covering and method for manufacture

2. 6221462 - Multicolored patterned floor covering and method for manufacture

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as of
1/5/2026
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