IPC Classification

Class code (prefix) Descriptions Number of results
B23P 5/00 Setting gems or the like on metal parts, e.g. diamonds on tools
B23P 6/00 Restoring or reconditioning objects
B23P 6/02 Pistons or cylinders
B23P 6/04 Repairing fractures or cracked metal parts or products, e.g. castings
B23P 9/00 Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearingsFeatures of such surfaces not otherwise provided for, their treatment being unspecified
B23P 9/02 Treating or finishing by applying pressure, e.g. knurling
B23P 9/04 Treating or finishing by hammering or applying repeated pressure
B23P 11/00 Connecting or disconnecting metal parts or objects by metal-working techniques, not otherwise provided for
B23P 11/02 Connecting or disconnecting metal parts or objects by metal-working techniques, not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluidsConnecting or disconnecting metal parts or objects by metal-working techniques, not otherwise provided for by making force fits
B23P 13/00 Making metal objects by operations essentially involving machining but not covered by a single other subclass
B23P 13/02 Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
B23P 13/04 Making metal objects by operations essentially involving machining but not covered by a single other subclass involving slicing of profiled material
B23P 15/00 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
B23P 15/02 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from one piece
B23P 15/04 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
B23P 15/06 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass piston rings from one piece
B23P 15/08 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass piston rings from several pieces
B23P 15/10 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
B23P 15/12 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gratings
B23P 15/14 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
B23P 15/16 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass plates with holes of very small diameter e.g. for spinning or burner nozzles
B23P 15/18 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass brake shoes
B23P 15/20 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass railroad requirements, e.g. buffers
B23P 15/22 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cartridges or like shells
B23P 15/24 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
B23P 15/26 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers
B23P 15/28 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
B23P 15/30 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools lathes or like tools
B23P 15/32 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills
B23P 15/34 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools milling cutters
B23P 15/36 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools milling cutters for thread cutting
B23P 15/38 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools planing or slotting tools
B23P 15/40 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools
B23P 15/42 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools broaching tools
B23P 15/44 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools scraping or shaving tools
B23P 15/46 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools reaming tools
B23P 15/48 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools threading tools
B23P 15/50 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools threading tools dies
B23P 15/52 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools threading tools taps
B23P 17/00 Metal-working operations, not covered by a single other subclass or another group in this subclass
B23P 17/02 Single metal-working processesMachines or apparatus therefor
B23P 17/04 Metal-working operations, not covered by a single other subclass or another group in this subclass characterised by the nature of the material involved or the kind of product independently of its shape
B23P 17/06 Making steel wool or the like
B23P 19/00 Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes
B23P 19/02 Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
B23P 19/04 Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
B23P 19/06 Screw or nut setting or loosening machines
B23P 19/08 Machines for placing washers, circlips, or the like on bolts or other members
B23P 19/10 Aligning parts to be fitted together
B23P 19/12 Alignment of parts for insertion into bores
B23P 19/027 Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
B23P 19/033 Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using vibration
B23P 21/00 Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
B23P 23/00 Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
B23P 23/02 Machine tools for performing different machining operations
B23P 23/04 Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
B23P 23/06 Metal-working plant comprising a number of associated machines or apparatus
B23P 25/00 Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress