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Freudenberg; Carl
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Weinheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Flooring surface
Patent number
D399011
Issue date
Sep 29, 1998
Freudenberg; Carl
Gerhard Berger
D25 - Building units and construction elements
Information
Patent Grant
Lipped sealing ring having wax packed in helical grooves to facilit...
Patent number
5,755,444
Issue date
May 26, 1998
Freudenberg; Carl
Patrick Carnis
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Flooring surface
Patent number
D394320
Issue date
May 12, 1998
Freudenberg; Carl
Gerhard Berger
D25 - Building units and construction elements
Information
Patent Grant
Flooring surface
Patent number
D394319
Issue date
May 12, 1998
Freudenberg; Carl
Gerhard Berger
D25 - Building units and construction elements
Information
Patent Grant
Device for crimping a plastically deforming metal pole shoe around...
Patent number
5,704,110
Issue date
Jan 6, 1998
Freudenberg; Carl
Anton Erhard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacture of covering for infusion bottle
Patent number
5,682,663
Issue date
Nov 4, 1997
Freudenberg; Carl
Klaus Derksen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Flooring surface
Patent number
D385976
Issue date
Nov 4, 1997
Freudenberg; Carl
Gerhard Berger
D25 - Building units and construction elements
Information
Patent Grant
Flooring surface
Patent number
D385975
Issue date
Nov 4, 1997
Freudenberg; Carl
Gerhard Berger
D25 - Building units and construction elements
Information
Patent Grant
Flooring surface
Patent number
D385974
Issue date
Nov 4, 1997
Freudenberg; Carl
Gerhard Berger
D25 - Building units and construction elements
Information
Patent Grant
Flooring surface
Patent number
D385978
Issue date
Nov 4, 1997
Freudenberg; Carl
Gerhard Berger
D25 - Building units and construction elements
Information
Patent Grant
Flooring surface
Patent number
D385977
Issue date
Nov 4, 1997
Freudenberg; Carl
Gerhard Berger
D25 - Building units and construction elements
Information
Patent Grant
Flooring surface
Patent number
D385979
Issue date
Nov 4, 1997
Freudenberg; Carl
Gerhard Berger
D25 - Building units and construction elements
Information
Patent Grant
Covering developed for infusion bottle
Patent number
5,588,547
Issue date
Dec 31, 1996
Freudenberg; Carl
Klaus Derksen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
U-shaped sealing member for sealing a valve cover having an impact...
Patent number
5,516,123
Issue date
May 14, 1996
Freudenberg; Carl
Hans-Gerd Eckel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Spundbonded fabrics comprising biodegradable polycaprolactone filam...
Patent number
5,466,517
Issue date
Nov 14, 1995
Freudenberg; Carl
Helmut Eschwey
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Biodegradable sheet for culturing sewage denitrifiers
Patent number
5,316,832
Issue date
May 31, 1994
Freudenberg; Carl
Robert Groten
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Flame barrier made of nonwoven fabric
Patent number
5,279,878
Issue date
Jan 18, 1994
Freudenberg; Carl
Walter Fottinger
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Bellows made of thermoplastic elastomer
Patent number
5,236,204
Issue date
Aug 17, 1993
Freudenberg; Carl
Jurgen Hempel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Control valve with pressure equalization
Patent number
5,188,337
Issue date
Feb 23, 1993
Freudenberg; Carl
Klaus Mertens
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method of making a filter insert of nonwoven material in the form o...
Patent number
5,167,740
Issue date
Dec 1, 1992
Freudenberg; Carl
Udo Michaelis
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of recovering polyvinyl chloride from solvent-containing was...
Patent number
5,158,984
Issue date
Oct 27, 1992
Freudenberg; Carl
Jorg Hausdorf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Artificial split suede leather and a process for producing same
Patent number
4,581,286
Issue date
Apr 8, 1986
Freudenberg; Carl
Walter Fottinger
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Seal ring having an axis parallel intermediate ring
Patent number
4,553,763
Issue date
Nov 19, 1985
Freudenberg; Carl
Peter Ehrmann
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Non-woven fabric with wick action
Patent number
4,413,032
Issue date
Nov 1, 1983
Freudenberg; Carl
Ludwig Hartmann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Airborne-sound-absorbing wall or ceiling paneling
Patent number
4,347,912
Issue date
Sep 7, 1982
Freudenberg; Carl
Heinz A. Flocke
E04 - BUILDING
Information
Patent Grant
Method for producing shoulder pad material
Patent number
4,332,633
Issue date
Jun 1, 1982
Freudenberg; Carl
Katsuyoshi Yamauchi
A41 - WEARING APPAREL
Information
Patent Grant
Noise barrier pad and the method for the production of same
Patent number
4,242,391
Issue date
Dec 30, 1980
Freudenberg; Carl
Hans Reinhardt
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75847093 - FILTERCAIR
Serial number
75847093
Filing date
Nov 12, 1999
Freudenberg, Carl
37 - Building construction
Information
Trademark
75700753 - DAT
Serial number
75700753
Filing date
May 7, 1999
Freudenberg, Carl
12 - Vehicles
Information
Trademark
75630425 - VIBRACOUSTIC
Serial number
75630425
Filing date
Jan 28, 1999
Freudenberg, Carl
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
75401016 - BACTI-STOP
Serial number
75401016
Registration number
2310368
Filing date
Dec 5, 1997
Freudenberg, Carl
24 - Textiles and textile goods, not included in other classes
Information
Trademark
75347530 - LUNALIGHT
Serial number
75347530
Registration number
2502300
Filing date
Aug 26, 1997
Freudenberg, Carl
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
74494510 - RONDO
Serial number
74494510
Registration number
1891191
Filing date
Feb 25, 1994
Freudenberg, Carl
27 - Carpets, rugs, mats and matting, linoleum and other materials for covering existing floors