Inventor

Klaus Ritter

Inventor

Graz, AT

Overview

1976–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 82 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B21Fprimary

B21FWorking or processing of metal wire34%

B23KSoldering or unsoldering22%

Y10TTechnical subjects covered by former us classification8%

E04CStructural elements7%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%

C21DModifying the physical structure of ferrous metals3%

F16HGearing2%

B23DPlaning2%

B60WConjoint control of vehicle sub-units of different type or different function2%

PatentTitleYear

10,717,144Grid welding machine and method for producing wire grids2020 7,370,409'Method and apparatus for transferring wires that have been cut into lengths from a wire bundle into a single layer'2008 7,247,809'Welding machine for the production of wire grid sheet'2007 7,143,559'Method and device for production of a pre-fabricated cast concrete element'2006 7,067,588'Building element'2006 6,915,572'Method and plant for continuously producing construction'2005 6,710,278'Device for the welding of a wire mesh grid'2004 6,705,055'Building element'2004 6,272,805'Building element'2001 6,185,890'Building element'2001 6,045,031'Method and device for manufacturing wire-lattice mats'2000 5,647,110'System for the continuous production of building elements'1997 5,598,617'Wire insertion apparatus'1997 5,446,254'Process and installation for producing reinforcement wire meshes'1995 5,398,470'Reinforcement body for a floor slab'1995 5,316,052'Machine for making wire lattice mats of welded longitudinal and cross wires with welded end loops'1994 5,211,350'System for producing strapped rolls of wire screening'1993 5,211,208'Double-point welding machine'1993 5,203,195'Bending machine for bending bar-shaped material'1993 5,193,378'Device for bending rod-like material to form concrete reinforcements'1993 5,182,932'Apparatus for bending steel bars to form concrete reinforcement elements'1993 5,167,360'Method and apparatus for guiding wire sections through an insulating body of a component'1992 5,134,269'Grid welding machine operating according to the electrical resistance welding principle'1992 5,125,436'Apparatus for loading a grid-welding machine with elongate elements'1992 5,113,915'Grid welding machine'1992 5,053,597'Method and apparatus for fabricating double-layer, welded grid bodies'1991 5,020,575'Method and installation for feeding longitudinal elements to a welding machine for grates or gratings'1991 4,940,874'Convertible single or double spot welding machine'1990 4,919,395'Apparatus for heat treating a continuously moving metal wire'1990 4,913,650'Apparatus for the heat treatment of a continuously advanced metal wire'1990 4,860,999'Device for heat-treating, in particular annealing, a continuously advanced metal wire'1989 4,853,511'Apparatus for the feeding of transverse wires to the welding line of a grid welding machine'1989 4,848,560'Feeding apparatus for grid welding machine'1989 4,774,824'Apparatus for straightening self-hardening hot-rolled wires and for feeding them to a consumer'1988 4,748,309'Multi-spot resistance-welding machine'1988 4,681,328'Magnetic liquid shaft seal'1987 4,673,786'Electrical resistance grid welding machine'1987 4,597,239'Lining-frame of latticework construction for galleries, tunnels or the like'1986 4,594,830'Bonding unit for reinforced concrete structural components'1986 4,580,458'Power transmission'1986 4,571,974'Bending machine for wire or strip material'1986 4,539,787'Reinforcement mat for reinforced concrete'1985 4,529,858'Multispot grid-welding machine'1985 4,526,025'Wire or strip bending mechanism'1985 4,506,818'Device for the purpose of pushing sections of a wire through a solid body consisting of yielding material'1985 4,503,650'Grid mat'1985 4,500,763'Method and apparatus for the production of welded grid bodies'1985 4,496,820'Multispot electrical resistance welding machine'1985 4,468,550'Multispotwelding machine for the production of grids or gratings'1984 4,466,304'Power transmission'1984 4,444,227'Mechanism for bending straight wires into zig-zags, in particular for machines for the production of diagonal grids'1984 4,439,658'Apparatus for producing welded wire grids'1984 4,399,342'Grating and method of production thereof'1983 4,396,332'Stacking device for wire grids'1983 4,372,350'Machine for the automatic production of welded lattice girders'1983 4,362,920'Double point resistance welding machine'1982 4,360,724'Method and an apparatus for stepwise movement of a reinforcement grid'1982 4,353,678'Mechanism for transferring cut-to-length wires out of a loose bundle of wires into a single layer of parallel wires'1982 4,315,125'Lattice welding machine with disc electrode'1982 4,312,243'Change-under-load transmission'1982 4,299,523'Machine for stacking mesh grids with alternate grids rotated through 180.degree.'1981 4,249,841'Wire picking from a wire bundle'1981 4,239,951'Multispot grid-welding machine'1980 4,233,870'Shearing machine for severing parallel longitudinal members of grids or gratings'1980 4,221,143'Method of cutting gratings to length'1980 4,190,758'Grid welding machine'1980 4,161,110'Automatic control device for a bending machine'1979 4,149,059'Electrical multi-spot resistance welding machine'1979 4,125,753'Welding machine for lattice gratings'1978 4,121,629'Multispot welding machine'1978 4,117,872'Binding tool'1978 4,116,244'Multispot welding machine'1978 4,096,680'Reinforcement grid for steel concrete construction'1978 4,096,787'Cylinder-and-piston arrangement and method of manufacturing the same'1978 4,093,106'Apparatus for detaching wires cut to length from a disordered bundle of wire'1978 4,064,385'Multipoint mesh welding machine'1977 4,023,600'Method of producing wire mesh'1977 4,021,634'Mesh welding machine'1977 4,020,669'Machine for bending bar or rod material'1977 4,019,665'Feed device for rod or striplike material'1977 3,945,409'Device for feeding lengths of wire to a processing machine'1976 3,936,628'Apparatus for forming elongate reinforcing elements'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2008Patents assigned to EVG ENTWICKLUNG VERWERT GES (74)· patent assignee history

1976–2020Based in Graz, AT· patent location history

1977Based in Styria, AT· patent location history

1978–1995Patents assigned to AVI ALPENLAENDISCHE VERED (5)· patent assignee history

1978Patents assigned to BOSCH GMBH ROBERT (1)· patent assignee history

1978Based in Stuttgart, DE· patent location history

1987Patents assigned to BASF AG (1)· patent assignee history

1987Based in Hirschberg, DE· patent location history

2020Patents assigned to EVG ENTWICKLUNGS U VERWERTUNGS GES M B H (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EVG ENTWICKLUNG VERWERT GES	74	1976–2008
AVI ALPENLAENDISCHE VERED	5	1978–1995
BASF AG	1	1987
BOSCH GMBH ROBERT	1	1978
EVG ENTWICKLUNGS U VERWERTUNGS GES M B H	1	2020

Locations

Location	Patents	Span
Graz, AT	79	1976–2020
Hirschberg, DE	1	1987
Stuttgart, DE	1	1978
Styria, AT	1	1977