Inventor
RITTER JOSEF
DE50 patents
⚠️ This page may combine multiple inventors who share the name “RITTER JOSEF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EVG ENTWICKLUNG VERWERT GES
32 patentsUS4117872AOct 3, 1978
Binding tool
EVG ENTWICKLUNG VERWERT GES31 citations92
US4161110AJul 17, 1979
Automatic control device for a bending machine
EVG ENTWICKLUNG VERWERT GES40 citations88
US4748309AMay 31, 1988
Multi-spot resistance-welding machine
EVG ENTWICKLUNG VERWERT GES15 citations74
US4673786AJun 16, 1987
Electrical resistance grid welding machine
EVG ENTWICKLUNG VERWERT GES8 citations74
US4526025AJul 2, 1985
Wire or strip bending mechanism
EVG ENTWICKLUNG VERWERT GES13 citations74
US4439658AMar 27, 1984
Apparatus for producing welded wire grids
EVG ENTWICKLUNG VERWERT GES11 citations74
US4372350AFeb 8, 1983
Machine for the automatic production of welded lattice girders
EVG ENTWICKLUNG VERWERT GES17 citations74
US4360724ANov 23, 1982
Method and an apparatus for stepwise movement of a reinforcement grid
EVG ENTWICKLUNG VERWERT GES10 citations74
US4353678AOct 12, 1982
Mechanism for transferring cut-to-length wires out of a loose bundle of wires into a single layer of parallel wires
EVG ENTWICKLUNG VERWERT GES7 citations74
US4233870ANov 18, 1980
Shearing machine for severing parallel longitudinal members of grids or gratings
EVG ENTWICKLUNG VERWERT GES7 citations74
US4221143ASep 9, 1980
Method of cutting gratings to length
EVG ENTWICKLUNG VERWERT GES9 citations74
US4506818AMar 26, 1985
Device for the purpose of pushing sections of a wire through a solid body consisting of yielding material
EVG ENTWICKLUNG VERWERT GES10 citations73
US4468550AAug 28, 1984
Multispotwelding machine for the production of grids or gratings
EVG ENTWICKLUNG VERWERT GES12 citations73
US4093106AJun 6, 1978
Apparatus for detaching wires cut to length from a disordered bundle of wire
EVG ENTWICKLUNG VERWERT GES7 citations73
US3936628AFeb 3, 1976
Apparatus for forming elongate reinforcing elements
EVG ENTWICKLUNG VERWERT GES7 citations70
US4848560AJul 18, 1989
Feeding apparatus for grid welding machine
EVG ENTWICKLUNG VERWERT GES4 citations63
US4580458AApr 8, 1986
Power transmission
EVG ENTWICKLUNG VERWERT GES6 citations63
US4466304AAug 21, 1984
Power transmission
EVG ENTWICKLUNG VERWERT GES3 citations63
US4444227AApr 24, 1984
Mechanism for bending straight wires into zig-zags, in particular for machines for the production of diagonal grids
EVG ENTWICKLUNG VERWERT GES5 citations63
US4399342AAug 16, 1983
Grating and method of production thereof
EVG ENTWICKLUNG VERWERT GES2 citations63
US4362920ADec 7, 1982
Double point resistance welding machine
EVG ENTWICKLUNG VERWERT GES2 citations63
US4312243AJan 26, 1982
Change-under-load transmission
EVG ENTWICKLUNG VERWERT GES4 citations63
US4249841AFeb 10, 1981
Wire picking from a wire bundle
EVG ENTWICKLUNG VERWERT GES4 citations63
US4239951ADec 16, 1980
Multispot grid-welding machine
EVG ENTWICKLUNG VERWERT GES3 citations62
US4190758AFeb 26, 1980
Grid welding machine
EVG ENTWICKLUNG VERWERT GES4 citations62
US4149059AApr 10, 1979
Electrical multi-spot resistance welding machine
EVG ENTWICKLUNG VERWERT GES4 citations62
US4064385ADec 20, 1977
Multipoint mesh welding machine
EVG ENTWICKLUNG VERWERT GES3 citations62
US4020669AMay 3, 1977
Machine for bending bar or rod material
EVG ENTWICKLUNG VERWERT GES3 citations62
US4019665AApr 26, 1977
Feed device for rod or striplike material
EVG ENTWICKLUNG VERWERT GES5 citations62
US4121629AOct 24, 1978
Multispot welding machine
EVG ENTWICKLUNG VERWERT GES4 citations60
US4116244ASep 26, 1978
Multispot welding machine
EVG ENTWICKLUNG VERWERT GES5 citations60
US4021634AMay 3, 1977
Mesh welding machine
EVG ENTWICKLUNG VERWERT GES3 citations60
CASSELLA AG
4 patentsUS5383961AJan 24, 1995
Water-soluble sulphur dyes, their preparation and use
CASSELLA AG52 citations91
US5374302ADec 20, 1994
Water-insoluble sulphur dyes, their preparation and use
CASSELLA AG5 citations61
US5368637ANov 29, 1994
Water-insoluble sulphur dyes, their preparation and use
CASSELLA AG1 citations50
US5169404ADec 8, 1992
Monoazo dyestuffs for the sublimation transfer process
CASSELLA AG0 citations48
CASSELLA FARBWERKE MAINKUR AG
3 patentsUS5110917AMay 5, 1992
Water-soluble trisazo dyes
CASSELLA FARBWERKE MAINKUR AG3 citations63
US4881977ANov 21, 1989
Water-soluble yellow monoazo dyestuffs
CASSELLA FARBWERKE MAINKUR AG5 citations63
US5093307AMar 3, 1992
Use of water-insoluble monoazo dyes of the formula i
CASSELLA FARBWERKE MAINKUR AG4 citations58