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Klaus Heckel
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Gorxheimertal, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Floor covering made of an elastomer material having a relief-type p...
Patent number
6,939,598
Issue date
Sep 6, 2005
Firma Carl Freudenberg
Klaus Heckel
B44 - DECORATIVE ARTS
Information
Patent Grant
Floor covering
Patent number
6,815,042
Issue date
Nov 9, 2004
Carl Freudenberg KG
Gerhard Graab
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Web-type floor covering and method for its manufacture
Patent number
6,709,732
Issue date
Mar 23, 2004
Firma Carl Freudenberg
Gerhard Graab
B44 - DECORATIVE ARTS
Information
Patent Grant
Multicolored patterned floor covering and method for manufacture
Patent number
6,503,424
Issue date
Jan 7, 2003
Firma Carl Freudenberg
Gerhard Graab
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process of making a homogeneous floor covering
Patent number
6,251,321
Issue date
Jun 26, 2001
Carl Freudenberg
Hans-Michael Kühl
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multicolored patterned floor covering and method for manufacture
Patent number
6,221,462
Issue date
Apr 24, 2001
Firma Carl Freudenberg
Gerhard Graab
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Moire floor covering and method for its manufacture
Patent number
5,824,735
Issue date
Oct 20, 1998
Firma Carl Freudenberg
Gerhard Graab
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for suppressing bubbles in calendered elastomer
Patent number
5,298,210
Issue date
Mar 29, 1994
Firma Carl Freudenberg
Klaus Heckel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing a randomly patterned floor covering from a...
Patent number
5,154,868
Issue date
Oct 13, 1992
Firma Carl Freudenberg
Klaus Heckel
B44 - DECORATIVE ARTS
Information
Patent Grant
Multi-colored floor covering and method of manufacturing it
Patent number
5,049,431
Issue date
Sep 17, 1991
Firma Carl Freudenberg
Klaus Heckel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing light-colored electrically-conductive floor...
Patent number
4,670,075
Issue date
Jun 2, 1987
Firma Carl Freudenberg
Klaus Heckel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pipe insulating jacket
Patent number
4,271,218
Issue date
Jun 2, 1981
Firma Carl Freudenberg
Klaus Heckel
B32 - LAYERED PRODUCTS
Information
Patent Grant
Sheet for the manufacture of cushioned insoles
Patent number
4,263,727
Issue date
Apr 28, 1981
Firma Carl Freudenberg
Heinz Bender
B32 - LAYERED PRODUCTS
Information
Patent Grant
Lay-flat flooring slab
Patent number
4,172,168
Issue date
Oct 23, 1979
Firma Carl Freudenberg
Friedemann Klaffke
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Tumbling and exercise mat
Patent number
4,147,828
Issue date
Apr 3, 1979
Firma Carl Freudenberg
Klaus Heckel
B32 - LAYERED PRODUCTS
Information
Patent Grant
Swimming pool tarpaulin
Patent number
4,137,575
Issue date
Feb 6, 1979
Firma Carl Freudenberg
Friedemann Klaffke
E04 - BUILDING
Patents Applications
last 30 patents
Information
Patent Application
Web-type floor covering and method for its manufacture
Publication number
20040161589
Publication date
Aug 19, 2004
Gerhard Graab
B44 - DECORATIVE ARTS
Information
Patent Application
Floor covering
Publication number
20020168500
Publication date
Nov 14, 2002
Gerhard Graab
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Floor covering made of an elastomer material having a relief-type p...
Publication number
20020037394
Publication date
Mar 28, 2002
Firma Carl Freudenberg
Klaus Heckel
B44 - DECORATIVE ARTS
Information
Patent Application
Elastomer floor covering and method for its manufacture
Publication number
20020006499
Publication date
Jan 17, 2002
Hans-Michael Kuhl
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Multicolored patterned floor covering and method for manufacture
Publication number
20010005542
Publication date
Jun 28, 2001
Gerhard Graab
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL