| 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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| 07/18/1990 | EP0377682A1 Process for manufacturing a thin edge orifice disc for fuel injectors. |
| 07/18/1990 | CN1043974A Fabrication or repair technique for integrally bladed rotor assembly |
| 07/17/1990 | US4942062 Forming a layer on a substrate by vapor deposition, crystallization |
| 07/17/1990 | US4941337 Method of making threaded fasteners |
| 07/17/1990 | US4941249 Method of making an injection molding nozzle having nose portion with heating element encircling the bore |
| 07/12/1990 | WO1990006380A3 Process for coating a metallic basic body with a non-conductive coating material |
| 07/11/1990 | EP0377124A2 Improved method of making ring gear and ring gear therefrom |
| 07/11/1990 | EP0376975A1 Alumina coated silicon carbide whisker-alumina composition. |
| 07/11/1990 | CN1043832A Shaping method and mould of 4-layer-overlapped washer |
| 07/11/1990 | CN1043805A Apparatus and method for producing three-dimensional objects |
| 07/11/1990 | CN1043770A Method of modifying turbine rotor discs |
| 07/11/1990 | CN1043652A Manufacturing installation of rectangular-section pipe used for radiator with lateral radiating ribs |
| 07/11/1990 | CN1008706B Process for finishing guide roller |
| 07/10/1990 | US4939828 Method of producing stiffening profiles, particularly of reduced weight |
| 07/10/1990 | US4939827 Method of manufacturing a bearing device including a housing with a flange at one end thereof and a bearing bush press-fitted thereinto |
| 07/10/1990 | CA1271377A1 Modular tube bundle for steam condenser, and steam condenser thus equipped |
| 07/06/1990 | CA2004671A1 Method of making ring gear and ring gear therefrom |
| 07/04/1990 | EP0376874A2 Fabrication or repair technique for integrally bladed rotor assembly |
| 07/03/1990 | US4938105 Method of manufacturing a one-sided or two-sided punching knife for non-metallic materials |
| 06/27/1990 | CN1008515B Apparatus for winding-up of cross-ribs |
| 06/26/1990 | US4936133 Method for manufacturing an element having grooved trunnions and forming method for grooving the trunnions |
| 06/19/1990 | US4934653 Multi-stream thin edge orifice disks for valves |
| 06/19/1990 | US4934583 Apparatus for bonding an article projection |
| 06/19/1990 | US4934231 Rotary die-cutting apparatus |
| 06/19/1990 | US4934035 Method for producing friction bearing parts, in successive processing steps from ribbon-like composite laminate strip material |
| 06/14/1990 | WO1990006459A1 Piston rings |
| 06/14/1990 | WO1990006380A2 Process for coating a metallic basic body with a non-conductive coating material |
| 06/13/1990 | EP0372533A2 Production process for metal work pieces |
| 06/13/1990 | EP0372275A2 Method of modifying turbine rotor discs |
| 06/13/1990 | DE3936432A1 Verfahren zum herstellen eines kraftstoffverteilers zum zufuehren von kraftstoff zu dosier- und zerstaeuberventilen einer zufuhrvorrichtung fuer einen verbrennungsmotor A method of manufacturing a fuel rail for supplying fuel to dosing and zerstaeuberventilen a supply device for a combustion engine |
| 06/13/1990 | DE3841093A1 Method of manufacturing an injection-moulding tool |
| 06/13/1990 | CN2058123U Double-face continuous rolling device for metal foil |
| 06/12/1990 | US4932234 Method of forming tappet adjusting screws |
| 06/12/1990 | US4932116 Machine for producing friction bearing parts, in successive processing steps from ribbon-like composite laminate strip material |
| 06/08/1990 | CA2004851A1 Method of modifying turbine rotor discs |
| 06/07/1990 | DE3932557A1 Circular blade for cutting utensil - has stepped edge to increase bending resistance |
| 06/07/1990 | CA2004737A1 Method for producing workpieces of metal |
| 06/06/1990 | EP0371834A1 Method and device for fastening sliding parts onto piston heads of hydraulic pumps by electromagnetic shaping |
| 06/06/1990 | CN1042682A Alumina-zirconia-silicon garbide-maghesia compositions and cutting tools |
| 06/05/1990 | US4930675 Method of forming hard facings on materials |
| 05/30/1990 | EP0370674A1 Drill screw |
| 05/29/1990 | US4928367 Earring clutch |
| 05/22/1990 | US4927190 Hose fitting |
| 05/17/1990 | WO1990005119A1 Alumina-zirconia-silicon carbide-magnesia compositions and cutting tools |
| 05/17/1990 | WO1990005039A1 Method of processing orifices |
| 05/16/1990 | CN1042224A Enveloping involute flank profile cylinder worm-gearing |
| 05/16/1990 | CN1042104A Corrugated edge spiral cutter and its processing |
| 05/16/1990 | CN1007999B Installing process of pipe in steam generator |
| 05/16/1990 | CN1007966B Making process of high speed steel compound template cutters |
| 05/15/1990 | US4924583 Process for producing a disc brake pad |
| 05/15/1990 | CA1269079A1 Disks with blades |
| 05/15/1990 | CA1268916A1 Method of producing an injection moulding tool |
| 05/10/1990 | DE3837799A1 Method of manufacturing a freewheel for bicycles |
| 05/08/1990 | US4923169 Multi-stream thin edge orifice disks for valves |
| 05/08/1990 | CA1268616A1 Method of manufacture of injection molding nozzle electrical terminal |
| 05/03/1990 | WO1990004491A1 A method of producing a crown for an articulated piston |
| 05/01/1990 | US4920627 Balanced carrier rolls and methods of fabrication |
| 04/25/1990 | EP0365218A1 A polycrystal diamond fluted tool and a process for the production of the same |
| 04/24/1990 | US4918806 Heat treating to form nitride film on surface |
| 04/18/1990 | EP0363648A1 Method and apparatus for forming or modifying cutting edges |
| 04/18/1990 | EP0363488A1 Cutting instrument for making a tubular element with transverse ribs for heat exchanger |
| 04/18/1990 | CN1041307A Method for manufacturing tube piece of heat exchanger with cross ribs |
| 04/17/1990 | US4916788 Method of manufacturing ball joint |
| 04/14/1990 | CA2000417A1 Polycrystal diamond fluted tool and a process for the production of the same |
| 04/11/1990 | EP0362383A1 Method of making a tubular element with transverse ribs for heat exchanger |
| 04/11/1990 | CA2000488A1 Carbon dioxide welding gun |
| 04/05/1990 | WO1990003455A1 Method and apparatus for forming or modifying cutting edges |
| 04/05/1990 | WO1990003247A1 Cutting insert with chip control |
| 04/05/1990 | DE3931536A1 Miniature twist drill - inserted in bore of shank with its plain end soldered |
| 04/04/1990 | EP0361043A2 Injection molding nozzle having nose portion with heating element encircling the bore and method |
| 04/04/1990 | EP0167526B1 Method and apparatus for modifying the combustion chamber of an engine to accept ceramic liners |
| 04/04/1990 | EP0167523B1 Composite pistons and method of manufacturing thereof |
| 04/03/1990 | US4913689 Pulley with a high-friction groove surface and manufacturing method therefor |
| 04/03/1990 | CA1267270A1 Method of making a heat exchanger |
| 03/28/1990 | EP0360192A1 A process for manufacturing a grain chill roller |
| 03/27/1990 | US4911636 Injection molding nozzle having nose portion with heating element encircling the bore |
| 03/27/1990 | US4911142 Water heater construction |
| 03/27/1990 | US4910848 Method of assembling a boiler unit having pre-assembled walls |
| 03/27/1990 | CA1267074A1 Method for manufacturing a cutting tool and resulting tool |
| 03/22/1990 | DE3831627A1 Strengthening of gears |
| 03/22/1990 | DE3830525A1 Mit hartstoff beschichtete hartmetallschneidplatte und verfahren zu ihrer herstellung With hard-coated carbide cutting insert and process for their production |
| 03/20/1990 | US4910093 Piston blank for a forged piston |
| 03/14/1990 | CN1040339A Composition steel component and the method for making same |
| 03/13/1990 | US4907745 Fuel injection valve and method for adjusting it |
| 03/08/1990 | WO1990002361A1 Apparatus and method for producing three-dimensional objects |
| 03/08/1990 | WO1990002017A1 Method of manufacturing valve etc. housings |
| 03/08/1990 | WO1990001986A1 Diamond compact possessing low electrical resistivity |
| 03/07/1990 | CN1040164A Cemented and cemented/sintered superabrasive polycrystalline bodies and method of manufacture thereof |
| 03/07/1990 | CN1040161A Tool for manufacturing tubular component having cross ribs for heat exchanger |
| 03/06/1990 | US4905361 Method for manufacturing pulley with a high-friction groove surface |
| 03/01/1990 | DE3828446A1 Method of manufacturing self-tapping screws having a drill point |
| 02/28/1990 | EP0355580A1 Method of manufacturing a spacer for the profiled pipes of the matrix of a heat exchanger |
| 02/28/1990 | EP0355360A1 Method for manufacturing tappets for reciprocating-piston engines |
| 02/28/1990 | CN1039988A Production of high precision planeness plate |
| 02/28/1990 | CN1007004B Paired gears with fewer teeth and of small size |
| 02/28/1990 | CN1007003B Paired bevel gears using the principle-positive sum of modifying coefficients |
| 02/27/1990 | US4904326 Process of making a hollow structure of carbon material |
| 02/21/1990 | EP0160002B1 A method of affixing tubes to headers in a heat exchanger |
| 02/20/1990 | US4901414 Method for assembling pairs of heat exchanger plates |
| 02/20/1990 | CA1265909A1 Injection molding heated gate insert and method |