IPC Classification

Class code (prefix) Descriptions Number of results
B21F 1/00 Bending wire other than coiling; Straightening 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 wire; Twisting 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 objects; Connecting parts by means of wire
B21F 15/02 Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire
B21F 15/04 Connecting wire to wire or other metallic material or objects; Connecting 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 objects; Connecting 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 objects; Connecting 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 objects; Connecting 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 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 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