| Patents for B23P 15 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass (23,391) |
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| 08/29/1989 | US4860659 Tubular shell for artillery projectiles |
| 08/29/1989 | US4860421 Method for assembling plate type heat exchangers |
| 08/29/1989 | US4860419 Split bearing assemblies, method for making |
| 08/24/1989 | WO1989007721A1 Method of producing a metallic friction element |
| 08/24/1989 | DE3804654A1 Process for producing rolling bearing elements from a microalloyed steel |
| 08/23/1989 | EP0329107A2 Injection molding heated gate insert and method |
| 08/23/1989 | CN1034884A Method for producing outer ring body of bicycle free-wheel |
| 08/22/1989 | US4858686 Heat exchanger |
| 08/22/1989 | CA1258572A1 Method for producing a spinning nozzle plate |
| 08/17/1989 | DE3803889A1 Verfahren zur herstellung des aussenringkoerpers eines freilaufs fuer fahrraeder Process for the preparation of aussenringkoerpers a freewheel for bicycles |
| 08/15/1989 | US4856970 Metal-ceramic combination |
| 08/15/1989 | US4856166 Method for manufacturing a gear fit article and gear fit article produced thereby |
| 08/08/1989 | US4856105 Method and apparatus for making piston rings |
| 08/08/1989 | US4854030 Process of manufacturing a hose fitting |
| 08/08/1989 | US4854026 Method of producing a press platen |
| 08/08/1989 | US4854024 Method of making multi-stream thin edge orifice disks for valves |
| 08/02/1989 | EP0326508A1 Method of fabricating an air cooled turbine blade |
| 08/01/1989 | US4852238 Drum closure and method of making |
| 07/25/1989 | US4850101 Dual-station flexible hairpin tube expansion apparatus |
| 07/25/1989 | US4850095 Method of forming crowned sliding surface in mechanical part |
| 07/18/1989 | US4849602 Method for fabricating cutting pieces |
| 07/18/1989 | US4847970 Radiator repair fixture |
| 07/18/1989 | US4847964 Method of producing a crown for an articulated piston |
| 07/13/1989 | WO1989006288A1 Ion-nitrided cermet tip and method for producing the same |
| 07/12/1989 | CN2040832U 铝制散热器 Aluminum Radiator |
| 07/11/1989 | US4846764 Constant velocity joint cage and method for making same |
| 07/11/1989 | US4845817 Method of forming a half-round bearing |
| 07/04/1989 | USH647 Disk performance by co-extrusion |
| 07/04/1989 | US4844988 Diamond composite and method for producing the same |
| 07/04/1989 | US4843766 Cutting tool having concentrically arranged outside and inside abrasive grain layers and method for production thereof |
| 07/04/1989 | US4843699 Method of making an earring clutch |
| 07/04/1989 | US4843698 Process for the production of a cast piston upper part of a two-part piston |
| 06/29/1989 | WO1989005914A1 Thin edge orifice disk for fuel injectors and process for manufacturing |
| 06/28/1989 | EP0322214A1 Abrasive product |
| 06/28/1989 | EP0321590A2 Method and device for manufacturing a cutting die having a sharp cutting edge |
| 06/21/1989 | EP0321437A2 Method for the manufacture of a single- or double-edged press knife for nonmetallic materials |
| 06/20/1989 | US4839951 Process for the installation of tubes in a steam generator |
| 06/14/1989 | EP0319926A2 A Method for the preparation of a diamond-clad machining tool |
| 06/07/1989 | EP0319510A2 Method for the manufacture of press knives for sheet material resembling cardboard |
| 05/31/1989 | EP0317761A2 Method for the production of a specific metal grill and similar products |
| 05/31/1989 | EP0317672A2 Rotary cutting cylinder |
| 05/31/1989 | EP0317621A1 Hydro dynamic bearing and methods of making same |
| 05/30/1989 | US4835359 Method of manufacturing hemispherical tank heads |
| 05/30/1989 | US4834614 Segmental vane apparatus and method |
| 05/30/1989 | US4834036 Composite valve for reciprocating engines and method for manufacturing the same |
| 05/24/1989 | CN1033019A Method of making heat exchanger and hollow shape for such |
| 05/23/1989 | US4832254 Process for the manufacture of an injection mould |
| 05/23/1989 | US4832252 Parts for and methods of repairing turbine blades |
| 05/23/1989 | US4831701 Applying zinc overcoating heating to cause diffusion |
| 05/17/1989 | EP0316032A1 Method for arranging a through-channel in a solid body and body obtained with this method |
| 05/16/1989 | US4829867 Paper punch apparatus with improved punch element |
| 05/16/1989 | US4829647 Method of making low friction finger follower rocker arms |
| 05/16/1989 | CA1254063A1 Consolidation of a part from separate metallic components |
| 05/10/1989 | EP0314757A1 A process for the production of hard surface control members for faucets |
| 05/09/1989 | US4827734 Cylindrical freezing drum for slice ice making machines and a method of producing the drum |
| 05/09/1989 | US4827588 Method of making a turbine nozzle |
| 05/09/1989 | US4827587 Method of fabricating an air cooled turbine blade |
| 05/09/1989 | CA1253810A1 Method of manufacturing a control wheel for the high- pressure rotor of a steam turbine |
| 04/27/1989 | DE3734740A1 Method for manufacturing a vehicle wheel with a pneumatic tyre |
| 04/26/1989 | EP0313344A2 Method of making a knife having a scalloped cutting edge |
| 04/26/1989 | CN1032516A Method of manufacture of injection molding nozzle having grounded heating element brazed into pointed tip |
| 04/26/1989 | CN1032511A New technology for manufacturing special-shaped gear-slotting cutter |
| 04/26/1989 | CN1032508A Apparatus for producing inclined winglet part |
| 04/25/1989 | US4823455 Radiator crimping and decrimping tools |
| 04/25/1989 | CA1252990A1 Method and apparatus for forming an air gap pipe |
| 04/25/1989 | CA1252989A1 Method of manufacturing bicycling chain drives |
| 04/19/1989 | EP0312281A2 Abrasive products |
| 04/19/1989 | EP0312093A2 Method of manufacturing of injection molding nozzle having grounded heating element brazed into pointed tip |
| 04/18/1989 | US4821400 Method of making brake shoe stock |
| 04/18/1989 | US4821389 Method of making a pin fin heat exchanger |
| 04/18/1989 | US4821387 Method of manufacturing cooling film devices for combustion chambers of turbomachines |
| 04/18/1989 | US4821385 Prebaking above use temperature to prevent outgassing during use |
| 04/13/1989 | DE3732206A1 Method of producing a first article which can be secured with high precision relative to a second article |
| 04/12/1989 | EP0310985A1 Sliding or sealing-element pairing and process for the manufacture thereof |
| 04/11/1989 | US4819516 Method of forming a cutting element having a V-shaped diamond cutting face |
| 04/11/1989 | US4819312 Apparatus for removing babbitts from knives |
| 04/05/1989 | EP0309747A2 Method and device for manufacturing a light-metal vehicle wheel |
| 04/05/1989 | CN2035294U Repairing tool for gas cylinder tap |
| 04/05/1989 | CN1032152A Alumina coated silicon carbide whisker-alumina composition |
| 04/04/1989 | US4817341 Cutting tool having concentrically arranged outside and inside abrasive grain layers and method for production thereof |
| 04/04/1989 | US4817257 Method of making an engine crankshaft |
| 04/04/1989 | CA1251921A1 Extrusion die manufacture |
| 03/29/1989 | EP0309282A2 Hot forming mold and method of manufacturing the same |
| 03/29/1989 | EP0308908A1 Method of making a second article, which is highly precise positionable to a first article |
| 03/29/1989 | CN1032064A Manufacturing method of solid lubricant inlaid metal sliding parts |
| 03/28/1989 | US4815939 Use in a gas turbine engine |
| 03/28/1989 | US4815342 Method for modeling and building drill bits |
| 03/23/1989 | WO1989002328A1 Cutting tool, in particular drill and/or milling cutter and its process for producing it |
| 03/21/1989 | US4813823 Drilling tool formed of a core-and-casing assembly |
| 03/21/1989 | US4813126 Apparatus and method for fabricating magnetic devices |
| 03/15/1989 | EP0306899A1 Method of making heat exchanger and hollow shape for such |
| 03/15/1989 | EP0306481A1 Manufacturing moulds for use in injection moulding of glass |
| 03/14/1989 | US4812107 Method of manufacturing a control wheel for the high-pressure rotor of a steam turbine |
| 03/14/1989 | CA1251030A1 Device for assembling return bend to coil |
| 03/14/1989 | CA1251002A1 Compound body and method of making the same |
| 03/09/1989 | WO1989001925A1 Alumina coated silicon carbide whisker-alumina composition |
| 03/09/1989 | WO1989001843A1 Abrasive tool and a method of making said tool |
| 03/08/1989 | EP0306353A2 Diamond composite and method for producing the same |
| 03/07/1989 | US4810184 Injection molding system having manifold with side mounted nozzles |
| 03/02/1989 | DE3726056A1 Verfahren zur herstellung von bauteilen mit unterschiedlichen wandstaerken Process for the preparation of com- ponents with different wandstaerken |