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Gerhard Ritter
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Patents Grants
last 30 patents
Information
Patent Grant
Building element
Patent number
7,067,588
Issue date
Jun 27, 2006
EVG Entwicklungs- u. Verwertungs-Gesellschaft m.b.H.
Klaus Ritter
E04 - BUILDING
Information
Patent Grant
Method and plant for continuously producing construction
Patent number
6,915,572
Issue date
Jul 12, 2005
EVG Entwicklungs- u. Verwertungs-Gesellschaft m.b.H.
Klaus Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Building element
Patent number
6,705,055
Issue date
Mar 16, 2004
EVG Entwicklungs- u. Verwertungs-Gesellschaft m.b.H.
Klaus Ritter
E04 - BUILDING
Information
Patent Grant
Building element
Patent number
6,272,805
Issue date
Aug 14, 2001
EVG Entwicklungs- u. Verwertungs-Gesellschaft m.b.H.
Klaus Ritter
E04 - BUILDING
Information
Patent Grant
Method and device for manufacturing wire-lattice mats
Patent number
6,045,031
Issue date
Apr 4, 2000
EVG Entwicklungs-u.Verwertungs-Gesellschaft m.b.H.
Klaus Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
System for the continuous production of building elements
Patent number
5,647,110
Issue date
Jul 15, 1997
EVG Entwicklungs- u. Verwertungs-gesellschaft m.b.H.
Klaus Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Wire insertion apparatus
Patent number
5,598,617
Issue date
Feb 4, 1997
EVG Entwicklungs- u. Verwertungs-gesellschaft m.b.H.
Klaus Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process and installation for producing reinforcement wire meshes
Patent number
5,446,254
Issue date
Aug 29, 1995
EVG Entwicklungs- u. Verwertungs-gesellschaft m.b.H.
Klaus Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Reinforcement body for a floor slab
Patent number
5,398,470
Issue date
Mar 21, 1995
AVI Alpenlandische Veredelungs-Industrie Gesellschaft m.b.H.
Klaus Ritter
E04 - BUILDING
Information
Patent Grant
Machine for making wire lattice mats of welded longitudinal and cro...
Patent number
5,316,052
Issue date
May 31, 1994
EVG Entwicklungs- u. Verwertungs-gesellschaft m.b.H.
Klaus Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
System for producing strapped rolls of wire screening
Patent number
5,211,350
Issue date
May 18, 1993
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Klaus Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Double-point welding machine
Patent number
5,211,208
Issue date
May 18, 1993
EVG Entwicklungs- U.Vertwertungs-Gesellschaft m.b.H.
Gerhard Ritter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Bending machine for bending bar-shaped material
Patent number
5,203,195
Issue date
Apr 20, 1993
EVG Entwicklungs- u.Vertwertungs-Gesellschaft mbH
Klaus Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Device for bending rod-like material to form concrete reinforcements
Patent number
5,193,378
Issue date
Mar 16, 1993
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Gerhard Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for bending steel bars to form concrete reinforcement ele...
Patent number
5,182,932
Issue date
Feb 2, 1993
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Gerhard Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for guiding wire sections through an insulatin...
Patent number
5,167,360
Issue date
Dec 1, 1992
EVG Entwicklungs- und Verwertungs-Ges.m.b.H.
Gerhard Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Grid welding machine operating according to the electrical resistan...
Patent number
5,134,269
Issue date
Jul 28, 1992
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Gerhard Ritter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for loading a grid-welding machine with elongate elements
Patent number
5,125,436
Issue date
Jun 30, 1992
EVG Entwicklungs- & Verwertungs Ges.m.b.H.
Josef Grabuschnig
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Grid welding machine
Patent number
5,113,915
Issue date
May 19, 1992
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Gerhard Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for fabricating double-layer, welded grid bodies
Patent number
5,053,597
Issue date
Oct 1, 1991
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Klaus Ritter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and installation for feeding longitudinal elements to a weld...
Patent number
5,020,575
Issue date
Jun 4, 1991
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Josef Grabuschnig
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Convertible single or double spot welding machine
Patent number
4,940,874
Issue date
Jul 10, 1990
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Gerhard Ritter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for heat treating a continuously moving metal wire
Patent number
4,919,395
Issue date
Apr 24, 1990
EVG Entwicklungs-u.Verwertungs-Gesellschaft m.b.H.
Gerhard Ritter
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for the heat treatment of a continuously advanced metal wire
Patent number
4,913,650
Issue date
Apr 3, 1990
EVG Entwicklungs-und Verwertungs-Gesellschaft m.b.H.
Gerhard Ritter
C21 - METALLURGY OF IRON
Information
Patent Grant
Device for heat-treating, in particular annealing, a continuously a...
Patent number
4,860,999
Issue date
Aug 29, 1989
EVG Entwicklungsu. Verwertungs-Gesellschaft m.b.H
Gerhard Ritter
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for the feeding of transverse wires to the welding line o...
Patent number
4,853,511
Issue date
Aug 1, 1989
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Klaus Ritter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Feeding apparatus for grid welding machine
Patent number
4,848,560
Issue date
Jul 18, 1989
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Rudolf Scherr
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for straightening self-hardening hot-rolled wires and for...
Patent number
4,774,824
Issue date
Oct 4, 1988
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Gerhard Ritter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Multi-spot resistance-welding machine
Patent number
4,748,309
Issue date
May 31, 1988
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Josef Ritter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrical resistance grid welding machine
Patent number
4,673,786
Issue date
Jun 16, 1987
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Hans Gott
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Building element
Publication number
20030029107
Publication date
Feb 13, 2003
EVG Entwicklungs- u. Verwertungs-Gesellschaft m.b.H.
Klaus Ritter
E04 - BUILDING
Information
Patent Application
Building element
Publication number
20010010140
Publication date
Aug 2, 2001
EVG Entwicklungs - U. Verwertungs-Gesellschaft M.B.H.
Klaus Ritter
E04 - BUILDING