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Erwin Zurcher
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Le Lignon, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Method for hardening discrete identical elements integral with a co...
Patent number
4,924,062
Issue date
May 8, 1990
Graf & Cie. A.G.
Erwin Zurcher
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for loosening and unravelling a textile yarn
Patent number
4,890,451
Issue date
Jan 2, 1990
Mesdan S.p.A.
Remi Cottenceau
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Apparatus for loosening and unravelling a yarn
Patent number
4,888,943
Issue date
Dec 26, 1989
Mesdan S.p.A.
Remi Cottenceau
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Universal method for loosening and unravelling a textile yarn and d...
Patent number
4,829,759
Issue date
May 16, 1989
Mesdan S.p.A.
Remi Cottenceau
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Device for controlling the knitting positions of the needles in a k...
Patent number
4,827,740
Issue date
May 9, 1989
SIPRA
Remi Cottenceau
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method and device for the automatic cleaning of a toilet seat
Patent number
4,790,036
Issue date
Dec 13, 1988
Schnyder; Erika
Ernst Vogeli
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Process for covering a substrate with threads welded through the us...
Patent number
4,582,740
Issue date
Apr 15, 1986
Sirs - Societe Internationale de Revetements de Sol S.A.
Erwin Zurcher
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process and apparatus for ultrasonically welding threads to a material
Patent number
4,502,902
Issue date
Mar 5, 1985
Sirs - Societe Internationale de Revetements de Sol S.A.
Erwin Z/u/ rcher
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of and means for unraveling a portion of textile yarn
Patent number
4,406,115
Issue date
Sep 27, 1983
Fomento de Inversiones Industriales S.A.
Guy Negaty-Hindi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Procedure for cleaning a rotor of a spinning unit of the open-end type
Patent number
4,315,399
Issue date
Feb 16, 1982
Officine Savio S.p.A.
Hermann Pfeifer
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method of cutting columns of thread loops
Patent number
4,271,568
Issue date
Jun 9, 1981
Cotonificio Cantoni S.p.A.
Gerard Durville
D03 - WEAVING
Information
Patent Grant
Device for joining textile yarns by axial twisting
Patent number
4,244,169
Issue date
Jan 13, 1981
Fomento de Inversiones Industriales S.A.
Hubert Ligones
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for the cutting of columns of thread loops
Patent number
4,159,558
Issue date
Jul 3, 1979
Cotonificio Cantoni S.p.A.
Gerard Durville
D03 - WEAVING