IPC Classification

Class code (prefix) Descriptions Number of results
B21F 1/00 Bending wire other than coilingStraightening wire
B21F 1/02 Straightening
B21F 1/04 Undulating
B21F 1/06 Bending wire-eyes
B21F 3/00 Coiling wire into particular forms
B21F 3/02 Coiling wire into particular forms helically
B21F 3/04 Coiling wire into particular forms helically externally on a mandrel or the like
B21F 3/06 Coiling wire into particular forms helically internally on a hollow form
B21F 3/08 Coiling wire into particular forms to flat spiral
B21F 3/10 Coiling wire into particular forms to spirals other than flat, e.g. conical
B21F 3/12 Coiling wire into particular forms of interconnected helical springs
B21F 3/027 Coiling wire into particular forms helically with extended ends formed in a special shape, e.g. for clothes-pegs
B21F 5/00 Upsetting wire
B21F 7/00 Twisting wireTwisting wire together
B21F 9/00 Straining wire
B21F 9/02 Straining wire by tools adapted also for making connections
B21F 11/00 Cutting wire
B21F 13/00 Splitting wire
B21F 15/00 Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire
B21F 15/02 Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire wire with wire
B21F 15/04 Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
B21F 15/06 Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire wire with wire with additional connecting elements or material
B21F 15/08 Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire wire with wire with additional connecting elements or material making use of soldering or welding
B21F 15/10 Connecting wire to wire or other metallic material or objectsConnecting parts by means of wire wire with sheet metal
B21F 17/00 Jacketing or reinforcing articles with wire
B21F 19/00 Metallic coating of wire
B21F 23/00 Feeding wire in wire-working machines or apparatus
B21F 25/00 Making barbed wire
B21F 27/00 Making wire network, i.e. wire nets
B21F 27/02 Making wire network, i.e. wire nets without additional connecting elements or material at crossings, e.g. connected by knitting
B21F 27/04 Manufacturing on machines with rotating blades or formers
B21F 27/06 Manufacturing on twister-gear machines
B21F 27/08 Making wire network, i.e. wire nets with additional connecting elements or material at crossings
B21F 27/10 Making wire network, i.e. wire nets with additional connecting elements or material at crossings with soldered or welded crossings
B21F 27/12 Making special types or portions of network by methods or means specially adapted therefor
B21F 27/14 Specially bending or deforming free wire ends
B21F 27/16 Making special types or portions of network by methods or means specially adapted therefor for spring mattresses
B21F 27/18 Making special types or portions of network by methods or means specially adapted therefor of meshed work for filters or sieves
B21F 27/20 Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network
B21F 27/22 Making special types or portions of network by methods or means specially adapted therefor of network for wire-reinforced glass or the like
B21F 29/00 Making fencing or like material made partly of wire
B21F 29/02 Making fencing or like material made partly of wire comprising bars or the like connected by wires
B21F 31/00 Making meshed-ring network from wire
B21F 33/00 Tools or devices specially designed for handling or processing wire fabrics or the like
B21F 33/02 Mounting of wire network on frames
B21F 33/04 Connecting ends of helical springs for mattresses
B21F 35/00 Making springs from wire
B21F 35/02 Bending or deforming ends of coil springs to special shape
B21F 35/04 Making flat springs, e.g. sinus springs
B21F 37/00 Manufacture of rings from wire
B21F 37/02 Manufacture of rings from wire or resilient rings, e.g. key-rings
B21F 37/04 Manufacture of rings from wire of washers
B21F 39/00 Making wheel spokes from wire
B21F 41/00 Making umbrella frames or members from wire
B21F 43/00 Making bands, e.g. bracelets, or wire
B21F 45/00 Wire-working in the manufacture of other particular articles
B21F 45/02 Wire-working in the manufacture of other particular articles of clothes hangers
B21F 45/04 Wire-working in the manufacture of other particular articles of elements, e.g. levers or links, for bottle stoppers
B21F 45/06 Wire-working in the manufacture of other particular articles of flexible shafts or hollow conduits, e.g. for Bowden mechanisms
B21F 45/08 Wire-working in the manufacture of other particular articles of loom heddles
B21F 45/10 Wire-working in the manufacture of other particular articles of cards for fabric-napping machines
B21F 45/12 Wire-working in the manufacture of other particular articles of fishing hooks
B21F 45/14 Wire-working in the manufacture of other particular articles of end-pieces for laces or ropes
B21F 45/16 Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes
B21F 45/18 Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of slide fastener elements
B21F 45/20 Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of spring hooksWire-working in the manufacture of other particular articles of devices for fastening or securing purposes of spring safety hooks
B21F 45/22 Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of paper fasteners or clips
B21F 45/24 Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of staplesWire-working in the manufacture of other particular articles of devices for fastening or securing purposes of belt-fastening elements
B21F 45/26 Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of buttons
B21F 45/28 Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of buttons of "patent-fastener" or press-button type
B21F 99/00 Subject matter not provided for in other groups of this subclass