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  • B21D53/00
    		•  Making other particular articles (making chains or chain parts B21L) HB CC 4E159
  • B21D53/00@B
    		•  Leaf springs HB CC 4E159
  • B21D53/00@C
    		•  Roof members HB CC 4E159
  • B21D53/00@D
    		•  Electric parts HB CC 4E159
  • B21D53/00@E
    		•  Electrode plates HB CC 4E159
  • B21D53/00@F
    		•  Tools HB CC 4E159
  • B21D53/00@G
    		•  Harmonicas HB CC 4E159
  • B21D53/00@H
    		•  Screw blades HB CC 4E159
  • B21D53/00@Z
    		•  Others HB CC 4E159
  • B21D53/02
    		•  .heat exchangers, e.g. radiators, condensers (making finned or ribbed tubes by fixing strip material or the like to tubes B21C 37/22) [2] HB CC 4E159
  • B21D53/02@B
    		•  increasing heat-releasing area by corrugating, e.g. transformers HB CC 4E159
  • B21D53/02@Z
    		•  Others HB CC 4E159
  • B21D53/04
    		•  ..of sheet metal HB CC 4E159
  • B21D53/04@B
    		•  Forming passages by expanding non-connecting parts, e.g. roll bond HB CC 4E159
  • B21D53/04@C
    		•  Forming passages on both sides by layering patterned sheets, e.g. plate-type; herring-bone-type HB CC 4E159
  • B21D53/04@Z
    		•  Others HB CC 4E159
  • B21D53/06
    		•  ..of metal tubes HB CC 4E159
  • B21D53/06@B
    		•  Arranging many tubes in a can HB CC 4E159
  • B21D53/06@C
    		•  .inserting tubes HB CC 4E159
  • B21D53/06@D
    		•  .expanded tubes (mainly connecting tubes and tube-sheets) HB CC 4E159
  • B21D53/06@E
    		•  Forming fins HB CC 4E159
  • B21D53/06@F
    		•  .Cutting and raising fins HB CC 4E159
  • B21D53/06@G
    		•  .forming grooves and such on inside surface; connecting fins and such on inside surface HB CC 4E159
  • B21D53/06@H
    		•  Mounting fins of other types, e.g. helical fins HB CC 4E159
  • B21D53/06@Z
    		•  Others HB CC 4E159
  • B21D53/08
    		•  ..of both metal tubes and sheet metal HB CC 4E159
  • B21D53/08@B
    		•  With fins parallel with tube axis HB CC 4E159
  • B21D53/08@C
    		•  Attaching folded fins to tubes, e.g. corrugated fins HB CC 4E159
  • B21D53/08@D
    		•  With fins straddling tubes and right-angled to the axis HB CC 4E159
  • B21D53/08@E
    		•  .deforming and fixing by pressurizing tubes from outside; inserting tube material through slits HB CC 4E159
  • B21D53/08@F
    		•  .inserting and passing fins into arranged tubes one after another HB CC 4E159
  • B21D53/08@P
    		•  .inserting and passing fins into arranged tubes HB CC 4E159
  • B21D53/08@G
    		•  ..Jigs for arranging fins HB CC 4E159
  • B21D53/08@H
    		•  ..inserting tubes HB CC 4E159
  • B21D53/08@J
    		•  .expanding tubes HB CC 4E159
  • B21D53/08@K
    		•  Making fins HB CC 4E159
  • B21D53/08@L
    		•  Bending entire heat exchangers HB CC 4E159
  • B21D53/08@M
    		•  Positives and negatives of fin surface HB CC 4E159
  • B21D53/08@Z
    		•  Others HB CC 4E159
  • B21D53/10
    		•  .parts of bearings; sleeves; valve seats or the like HB CC 4E159
  • B21D53/10@B
    		•  Shaft-couplings HB CC 4E159
  • B21D53/10@C
    		•  Parts of valves HB CC 4E159
  • B21D53/10@Z
    		•  Others HB CC 4E159
  • B21D53/12
    		•  ..cages for bearings HB CC 4E159
  • B21D53/14
    		•  .belts, e.g. machine-gun belts HB CC 4E159
  • B21D53/16
    		•  .rings, e.g. barrel hoops HB CC 4E159
  • B21D53/18
    		•  ..of hollow or C-shaped cross-section, e.g. for curtains, for eyelets HB CC 4E159
  • B21D53/20
    		•  ..washers, e.g. for sealing HB CC 4E159
  • B21D53/22
    		•  ...with means for preventing rotation HB CC 4E159
  • B21D53/24
    		•  .nuts or like thread-engaging members HB CC 4E159
  • B21D53/24@B
    		•  Turnbuckles HB CC 4E159
  • B21D53/24@Z
    		•  Others HB CC 4E159
  • B21D53/26
    		•  .wheels or the like HB CC 4E159
  • B21D53/26@B
    		•  Pulleys HB CC 4E159
  • B21D53/26@C
    		•  Winded drums HB CC 4E159
  • B21D53/26@D
    		•  Protection plates for the end of coils HB CC 4E159
  • B21D53/26@Z
    		•  Others HB CC 4E159
  • B21D53/28
    		•  ..gear wheels HB CC 4E159
  • B21D53/30
    		•  ..wheel rims HB CC 4E159
  • B21D53/30@B
    		•  From flat sheets HB CC 4E159
  • B21D53/30@C
    		•  From thread materials HB CC 4E159
  • B21D53/30@D
    		•  Forming by rolling or spinning HB CC 4E159
  • B21D53/30@E
    		•  Forming with presses and such HB CC 4E159
  • B21D53/30@F
    		•  Forming ears HB CC 4E159
  • B21D53/30@Z
    		•  Others HB CC 4E159
  • B21D53/32
    		•  ..wheel covers HB CC 4E159
  • B21D53/34
    		•  ..brake drums HB CC 4E159
  • B21D53/36
    		•  .clips, clamps, or like fastening or attaching devices, e.g. for electric installation HB CC 4E159
  • B21D53/36@B
    		•  Rivets for calking HB CC 4E159
  • B21D53/36@Z
    		•  Others HB CC 4E159
  • B21D53/38
    		•  .locksmith's goods, e.g. handles HB CC 4E159
  • B21D53/40
    		•  ..hinges, e.g. door hinge plates HB CC 4E159
  • B21D53/42
    		•  ..keys HB CC 4E159
  • B21D53/44
    		•  .fancy goods, e.g. jewellery products HB CC 4E159
  • B21D53/46
    		•  .haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples HB CC 4E159
  • B21D53/46@B
    		•  Staples HB CC 4E159
  • B21D53/46@C
    		•  Belt tracing HB CC 4E159
  • B21D53/46@Z
    		•  Others HB CC 4E159
  • B21D53/48
    		•  ..buttons, e.g. press-buttons, snap fasteners HB CC 4E159
  • B21D53/48@B
    		•  Buttons HB CC 4E159
  • B21D53/48@Z
    		•  Others HB CC 4E159
  • B21D53/50
    		•  ..metal slide-fastener parts HB CC 4E159
  • B21D53/52
    		•  ...fastener elements; Attaching such elements so far as this procedure is combined with the process for making the elements HB CC 4E159
  • B21D53/54
    		•  ...slides HB CC 4E159
  • B21D53/56
    		•  ...stops HB CC 4E159
  • B21D53/58
    		•  .end-pieces for laces or ropes HB CC 4E159
  • B21D53/60
    		•  .cutlery wares; garden tools or the like HB CC 4E159
  • B21D53/62
    		•  ..spoons; table forks HB CC 4E159
  • B21D53/64
    		•  ..knives; scissors; cutting blades (B21D 53/72 takes precedence; handle portions B21D 53/70) HB CC 4E159
  • B21D53/66
    		•  ..spades; shovels (handle portions B21D 53/70) HB CC 4E159
  • B21D53/68
    		•  ..rakes, garden forks, or the like (handle portions B21D 53/70) HB CC 4E159
  • B21D53/70
    		•  ..handle portions (B21D 53/72 takes precedence) HB CC 4E159
  • B21D53/72
    		•  ..sickles; scythes HB CC 4E159
  • B21D53/74
    		•  .frames for openings, e.g. for windows, doors, handbags HB CC 4E159
  • B21D53/76
    		•  .writing or drawing instruments, e.g. writing pens, erasing pens HB CC 4E159
  • B21D53/78
    		•  .propeller blades; turbine blades HB CC 4E159
  • B21D53/80
    		•  .dustproof covers; safety covers HB CC 4E159
  • B21D53/82
    		•  .perforated music sheets; pattern sheets, e.g. for control purposes, stencils HB CC 4E159
  • B21D53/84
    		•  .other parts for engines, e.g. connecting-rods HB CC 4E159
  • B21D53/84@B
    		•  Exhaust pipes HB CC 4E159
  • B21D53/84@Z
    		•  Others HB CC 4E159
  • B21D53/86
    		•  .other parts for bicycles or motorcycles HB CC 4E159
  • B21D53/86@B
    		•  Parts for bicycles HB CC 4E159
  • B21D53/86@C
    		•  Parts for motorcycles HB CC 4E159
  • B21D53/86@D
    		•  Fuel tanks HB CC 4E159
  • B21D53/86@E
    		•  Bumpers HB CC 4E159
  • B21D53/86@F
    		•  Molding HB CC 4E159
  • B21D53/86@Z
    		•  Others HB CC 4E159
  • B21D53/88
    		•  .other parts for vehicles, e.g. cowlings, mudguards HB CC 4E159
  • B21D53/88@B
    		•  Mudguards HB CC 4E159
  • B21D53/88@D
    		•  Fuel tanks HB CC 4E159
  • B21D53/88@E
    		•  Bumpers HB CC 4E159
  • B21D53/88@F
    		•  Moldings HB CC 4E159
  • B21D53/88@Z
    		•  Others HB CC 4E159
  • B21D53/90
    		•  ..axle-housings HB CC 4E159
  • B21D53/92
    		•  .other parts for aircraft HB CC 4E159
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