| 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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| 02/20/1990 | CA1265907A1 Injection molding system having manifold with side mounted nozzles and method |
| 02/13/1990 | US4900328 Method for assembling heat exchanger plate pair by snap fit |
| 02/13/1990 | US4899712 Fuel injection rail manufacturing means and process |
| 02/13/1990 | US4899569 Method for manufacturing a rotor frame of an electromagnetic clutch |
| 02/06/1990 | US4897908 Method of attaching tubes in a tube plate in a heat exchanger |
| 02/06/1990 | US4897907 Process for manufacturing nozzle tip |
| 01/31/1990 | EP0352895A2 Cutting elements for rotary drill bits |
| 01/31/1990 | EP0352811A1 Thermally stable superabrasive products and methods of manufacture thereof |
| 01/31/1990 | EP0352518A2 Method of manufacturing a single-piece valve sleeve |
| 01/31/1990 | CN1039199A Milling cutter for variable-pitch band saw blade and making method thereof |
| 01/30/1990 | US4896410 Method of assembling tube arrays |
| 01/30/1990 | US4896409 Method of producing a rotationally-symmetrical housing, in particular a valve housing |
| 01/30/1990 | US4896408 Method of repairing turbine blades |
| 01/30/1990 | CA1264950A1 Cutter for cutter-bar mowers and a process for producing it |
| 01/25/1990 | WO1990000692A1 Process for machining radial through-slots in piston-ring grooves |
| 01/25/1990 | DE3920525A1 Method of producing an output shaft |
| 01/24/1990 | EP0351702A2 Blind fastener |
| 01/17/1990 | EP0351154A2 Metal-coated plastic product mould and procedure for manufacturing the same |
| 01/17/1990 | EP0351111A1 Method of making threaded fasteners |
| 01/17/1990 | EP0351039A2 Roller cutter bit and method of forming the same |
| 01/16/1990 | US4893388 Method of modifying turbine rotor discs |
| 01/09/1990 | US4891885 Method of making a knife having a scalloped cutting edge |
| 01/09/1990 | CA1264238A1 Drill bit manufacturing method |
| 01/04/1990 | DE3822329A1 Method of manufacturing a drive shaft for a hydrostatic machine, and such a drive shaft |
| 01/03/1990 | EP0348798A1 Method of making a valve sleeve |
| 01/02/1990 | US4890669 For transferring heat between a liquid refrigerant |
| 12/27/1989 | EP0348381A2 Composite steel work piece and method of manufacturing same |
| 12/27/1989 | EP0347791A2 Method, especially for producing weight reducing stiffening profiles |
| 12/27/1989 | CN1038234A Form milling-cutter manufacturing method and equipment thereof |
| 12/27/1989 | CA1264009A1 Injection molding nozzle and method |
| 12/26/1989 | US4888863 Method and apparatus for producing turbine blade roots |
| 12/20/1989 | EP0346546A2 Method of forming a drum dosure |
| 12/20/1989 | CN2049574U Universal drill for three locationing holes of big vane of steam turbine |
| 12/20/1989 | CN1038145A Bearings having beam mounted bearing pads and methods of making same |
| 12/20/1989 | CN1006147B Method for mfg. bicycle hub |
| 12/20/1989 | CN1006136B Method of fabricating film cooling slot in hollow airfoil |
| 12/19/1989 | US4888270 Photoprinting process and apparatus for exposing paste consistency photopolymers |
| 12/19/1989 | US4888252 Mould sets for plastics moulding machines |
| 12/19/1989 | US4887496 Method of making drills, endmills and other rotating-and-cutting tools |
| 12/19/1989 | US4887495 Method of manufacturing a double-edged peeling knife |
| 12/19/1989 | US4887493 Roller cutter drill bit and method of forming |
| 12/12/1989 | US4885831 Method for forming a contour hardened gear |
| 12/12/1989 | US4885829 Fatigue life enhancement of dovetail connector slots and noncircular openings |
| 12/05/1989 | US4884476 Vapor deposition of thin film of diamond; brazing to bond |
| 12/05/1989 | CA1263573A1 Method of forming hard facings on materials |
| 12/05/1989 | CA1263514A1 Fabricated open web steel joist, and manufacture thereof |
| 11/29/1989 | EP0343620A2 Bearings having beam mounted bearing pads and methods of making same |
| 11/28/1989 | US4883404 Gas turbine vanes and methods for making same |
| 11/28/1989 | US4883216 Method for bonding an article projection |
| 11/28/1989 | CA1263222A1 Method of manufacture of injection molding nozzle having grounded heating element brazed into pointed tip |
| 11/23/1989 | EP0342642A1 Fabrication method of a work piece from a long blank or an intermediate product |
| 11/23/1989 | DE3816090A1 Verfahren zur herstellung von metallenen hohlprofilen und einrichtung fuer die durchfuehrung des verfahrens Process for the manufacture of metallic hollow profiles and device for carrying out the method |
| 11/21/1989 | US4881431 Hard metal core and casing forming composite body |
| 11/21/1989 | US4881430 Method of making heterogeneous blade-like metallic cutter member |
| 11/15/1989 | CN1037104A Method and apparatus for producing turbine blade roots |
| 11/09/1989 | DE3814327A1 Method for the production of a heat exchanger |
| 11/09/1989 | DE3814102A1 Method for the production of a first object to be fixed with a high degree of precision relative to a second object |
| 11/07/1989 | US4878403 Manufacture of rotary drill bits |
| 11/07/1989 | US4878282 Method for the production of friction plates, synchronizing blocker rings or similar structures |
| 11/07/1989 | EP0272305A4 Apparatus and method for forming an integral object from laminations. |
| 11/07/1989 | CA1262739A1 Detachable clamp for fixturing heat exchanger core assemblies for brazing |
| 11/07/1989 | CA1262618A1 Method for manufacturing a heat shielded exhaust system component |
| 11/02/1989 | EP0339776A2 Improved cutting tool and method for removing materials from well bore |
| 11/02/1989 | EP0339552A1 Method of manufacturing a heat exchanger |
| 11/02/1989 | DE3813353A1 Method for the production of cutting knives, such as knife blades for mowers |
| 11/01/1989 | CN1036722A Method for manufacturing hubbed flange for glass-lined equipment by welding and bending steel section |
| 10/24/1989 | US4875848 Injection molding heated gate insert and method |
| 10/24/1989 | US4875262 Process for manufacturing a grain chill roller |
| 10/18/1989 | EP0337468A2 Injection molding nozzle having multiple thickness heating element and method of manufacture |
| 10/18/1989 | CN1036354A Splic method and device of automobile half-azle by friction welding |
| 10/17/1989 | US4874039 Plate heat exchanger |
| 10/17/1989 | US4873751 Fabrication or repair technique for integrally bladed rotor assembly |
| 10/16/1989 | EP0306481A4 Manufacturing moulds for use in injection moulding of glass. |
| 10/11/1989 | EP0336698A2 Cutting element for a rotary drill bit, and method for manufacturing such an element |
| 10/11/1989 | EP0336697A2 Cutting element for a rotary drill bit, and method for manufacturing such an element |
| 10/10/1989 | US4872771 Self-lubricating; metal rings, calcined carbon rollers |
| 10/10/1989 | US4872429 Method of making low friction finger follower rocker arms |
| 10/05/1989 | WO1989009111A1 Method of making a tubular element with transverse ribs for heat exchanger |
| 10/05/1989 | WO1989009107A1 Cutting instrument for making a tubular element with transverse ribs for heat exchanger |
| 10/04/1989 | CN1035975A Manufacturing method of bicycle flywheel |
| 10/04/1989 | CN1035973A Shape repair grinding method of gear shaving cutter blade |
| 10/03/1989 | CA1262125A1 Method of affixing tubes to headers in a heat exchanger and a heat exchanger assembly of tubes, headers, and fins |
| 09/27/1989 | EP0333953A1 Multiple sleeve-nut anchor plate |
| 09/27/1989 | CN1035791A Machining method and apparatus for longitudinal grooves in the surface of a cylinder |
| 09/27/1989 | CN1035787A Mechanical device of copying spark machine for machining the base face of needle-valve body of an oil nozzle |
| 09/27/1989 | CN1035783A Production method of metallic moulds |
| 09/26/1989 | US4869629 Blind fastener |
| 09/26/1989 | US4869329 Rock bit insert |
| 09/26/1989 | CA1261576A1 Injection molding nozzle having multiple thickness heating element and method of manufacture |
| 09/26/1989 | CA1261572A1 Injection molding probe with insulation and locating hoop portion |
| 09/26/1989 | CA1260840A1 Process for manufacturing a turbine or compressor wheel made of composite material and wheel thus obtained |
| 09/20/1989 | EP0332671A1 Cutting tool, in particular drill and/or milling cutter and its process for producing it |
| 09/20/1989 | CN1035634A Method for manufacturing piston |
| 09/19/1989 | US4867015 Carburizing, heat treatment to increase hardness |
| 09/19/1989 | US4866828 Method of repairing turbine blades |
| 09/12/1989 | US4865535 Injection molding nozzle having multiple thickness heating element |
| 09/12/1989 | US4864706 Fabrication of dual alloy integrally bladed rotors |
| 09/05/1989 | US4862571 Method of making a valve sleeve |
| 08/29/1989 | US4861626 Matrix with double-layered structure; metal and composite containing dispersed wear-resistant particles |
| 08/29/1989 | US4861350 Abrasive compact bonded to and surrounding cemented carbide support to portect support from damage |