IPC Classification

Class code (prefix) Descriptions Number of results
B21G 1/00 Making needles used for performing operations
B21G 1/02 Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls
B21G 1/04 Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls of needles specially adapted for use in machines or tools
B21G 1/06 Making needles used for performing operations of needles with hook or barb, e.g. crochet hooks
B21G 1/08 Making needles used for performing operations of hollow needles or needles with hollow end, e.g. hypodermic needles, larding-needles
B21G 1/10 Making needles used for performing operations equipped with locking means for the material to be drawn through, e.g. for repairing tubeless tyres
B21G 1/12 Securing, cleaning-off burrs, reconditioning, polishing, grinding
B21G 3/00 Making pins, nails, or the like
B21G 3/02 Making pins, nails, or the like of pins of the kind used in the tailoring trade or the household
B21G 3/04 Making pins, nails, or the like of pins of the kind used in the tailoring trade or the household with locking or shielding device for the pin point, e.g. safety-pins
B21G 3/06 Making pins, nails, or the like of nails with shoulders
B21G 3/08 Making pins, nails, or the like of nails with head and two or more shanks or split shanks
B21G 3/10 Making pins, nails, or the like of undulated nails or pins
B21G 3/12 Upsetting; Forming heads
B21G 3/14 Reducing diameter of parts otherwise than by rolling
B21G 3/16 Pointing, with or without cutting
B21G 3/18 Making pins, nails, or the like by operations not restricted to one of the groups
B21G 3/20 Making pins, nails, or the like by operations not restricted to one of the groups from wire of indefinite length
B21G 3/22 Making pins, nails, or the like by operations not restricted to one of the groups from wire of indefinite length in pairs arranged head to head
B21G 3/24 Making pins, nails, or the like by operations not restricted to one of the groups from wire of indefinite length by simultaneously forming the head of one nail and the adjacent point of another
B21G 3/26 Making pins, nails, or the like by operations not restricted to one of the groups by cutting from strip or sheet material
B21G 3/28 Making pins, nails, or the like by operations not restricted to one of the groups by forging or pressing
B21G 3/30 Making pins, nails, or the like by operations not restricted to one of the groups by rolling
B21G 3/32 Feeding material to be worked to nail or pin making machines
B21G 5/00 Making pins or nails with attached caps or with coated heads
B21G 5/02 Making pins or nails with attached caps or with coated heads of drawing-pins or pins of drawing-pin type
B21G 7/00 Making pins of U-like shape or split-pins
B21G 7/02 Making pins of U-like shape or split-pins of U-like shape
B21G 7/04 Making pins of U-like shape or split-pins of U-like shape of hairpins
B21G 7/06 Making pins of U-like shape or split-pins of U-like shape of hairpins of undulated hairpins
B21G 7/08 Making pins of U-like shape or split-pins of split-pins, e.g. cotter-pins