| 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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| 02/12/1991 | US4991467 Diamond twist drill blank |
| 02/12/1991 | US4991421 Method for extruding an elongated, lightweight rack |
| 02/07/1991 | WO1991001195A1 Device for making tubular element of rectangular cross-section with transverse ribs for heat exchanger |
| 01/29/1991 | US4987800 Cutter elements for rotary drill bits |
| 01/23/1991 | CN1011297B Manufacturing method of bicycle flywheel |
| 01/22/1991 | US4986737 Damped gas turbine engine airfoil row |
| 01/22/1991 | US4985992 Method of making stator stages for compressors and turbines, and stator vanes and vane arrays produced thereby |
| 01/21/1991 | WO1991001259A1 A mixing chamber for mixing a gaseous and a liquid component |
| 01/16/1991 | EP0408367A1 A tool using gold as a binder and a process for the production of the same |
| 01/15/1991 | US4985609 Method of making a broach |
| 01/15/1991 | US4984492 Cutting blade and method for cutting sheet material |
| 01/15/1991 | US4984487 Method for manufacturing a die for extruding honeycomb material |
| 01/15/1991 | CA1279048C Method and apparatus for adjusting the angular relationship of spiral elements in a scroll type fluid displacement apparatus |
| 01/10/1991 | DE3920600A1 Double walled pipe with insulating layer - is used as vehicle exhaust pipe and has pin for bending it into shape |
| 01/09/1991 | CN1011130B Machining method and apparatus for longitudinal grooves in the surface of a cylinder |
| 01/09/1991 | CN1011122B Method for producing ring gears for heavy-duty drive axles |
| 01/08/1991 | US4982596 Die for manufacturing a fastener blank |
| 01/02/1991 | EP0406184A2 Dynamically clamped planing tool and a method for its manufacture |
| 01/01/1991 | US4981061 Steel rule die and method of manufacture |
| 12/27/1990 | WO1990015787A1 Diamond-coated member |
| 12/25/1990 | US4979665 Process for producing a spacer for the tubes of a heat exchanger |
| 12/25/1990 | US4979637 Water heater construction and method of making same |
| 12/25/1990 | US4979293 Manufacturing a push rod |
| 12/20/1990 | DE3919934A1 Mfr. process for inclined mower blades - uses two embossing processes on blank blade |
| 12/20/1990 | DE3919933A1 Blade for harvester cutters - has two zones with different inclined to blade plane with step |
| 12/19/1990 | EP0402677A2 Process for making cubic boron nitride from coated hexagonal boron nitride |
| 12/19/1990 | EP0402377A1 Process for manufacturing an endless metallic strip provided with an embossed pattern. |
| 12/18/1990 | US4978831 Carbon dioxide welding gun |
| 12/18/1990 | US4978260 Cutting tool for removing materials from well bore |
| 12/14/1990 | CA2014923A1 Process for making cubic boron nitride from coated hexagonal boron nitride and abrasive particles and articles made therefrom |
| 12/13/1990 | DE3919127A1 Die forging process for spiral bevel gears - uses modified tooth geometry to allow simple extraction of gear forging from one-piece die |
| 12/12/1990 | EP0401830A1 Method and apparatus for manufacturing k-files and reamers |
| 12/12/1990 | EP0401607A1 Method for manufacturing a microvalve and microvalve |
| 12/11/1990 | US4976325 Fluted cutting tool and method of producing same |
| 11/27/1990 | US4972637 Abrasive products |
| 11/27/1990 | US4972568 Method and apparatus for forming drum closure |
| 11/22/1990 | EP0398415A1 Method for forming combs for application to suction nozzles for seizing the end of yarns wound in packages, and the improved combs obtained |
| 11/22/1990 | EP0397729A1 Ion-nitrided cermet tip and method for producing the same |
| 11/22/1990 | EP0203085B1 Cutting tool and method of manufacture |
| 11/20/1990 | CA1276528C Method and arrangement for cleaning, activating and metallizing of boreholes in conductor boards |
| 11/15/1990 | WO1990013682A1 Poppet valve manufacture |
| 11/14/1990 | EP0396899A2 Cylinder-tool for a band- or plate-like material working rotative machine and realisation method |
| 11/13/1990 | US4969251 Method of making brake shoe stock (II) |
| 11/07/1990 | EP0395644A1 Abrasive tool and a method of making said tool |
| 11/06/1990 | US4968326 Method of brazing of diamond to substrate |
| 11/06/1990 | US4967473 Method of forming a bow beam for a truck trailer |
| 10/30/1990 | US4966629 Hot forming mold and method of manufacturing the same |
| 10/30/1990 | US4966054 Method and apparatus for the manufacture of a punch having a sharp cutting edge |
| 10/24/1990 | EP0383861A4 Diamond compact possessing low electrical resistivity |
| 10/24/1990 | EP0376975A4 Alumina coated silicon carbide whisker-alumina composition |
| 10/23/1990 | US4964564 Rotating or moving metal components and methods of manufacturing such components |
| 10/18/1990 | WO1990012481A1 Method of making an impressing tool |
| 10/17/1990 | EP0392829A1 Drum brake assembly |
| 10/17/1990 | EP0392656A1 Turbine Blade Repair |
| 10/17/1990 | EP0391895A1 Process for manufacturing fine-structured bodies. |
| 10/16/1990 | CA1275175C Polycrystalline diamond and cbn cutting tools |
| 10/11/1990 | DE3910959A1 Verfahren zum herstellen von waelzlagerelementen aus durchhaertendem waelzlagerstahl Method for the manufacture of waelzlagerelementen from durchhaertendem waelzlagerstahl |
| 10/10/1990 | CN1045936A Numerical-controlled milling machine for tyre tread mould |
| 10/03/1990 | EP0390355A1 Maintaining a preferred vibration mode in an annular article |
| 10/03/1990 | EP0389913A1 Turbine blade repair |
| 10/03/1990 | EP0389800A1 Method for producing polycrystalline compact tool blanks with flat carbide support/diamond or CBN interfaces |
| 10/02/1990 | CA1274755A1 Making a mold for continuous casting |
| 10/02/1990 | CA1274705A1 Flywheel starter gear and method of making |
| 10/02/1990 | CA1274676A1 Process for the installation of tubes in a steam generator |
| 09/30/1990 | CA2008847A1 Method for producing polycrystalline compact tool blanks with flat carbide support/diamond or cbn interfaces |
| 09/28/1990 | CA2012930A1 Maintaining a preferred vibration mode in an annular article |
| 09/26/1990 | EP0389078A2 Method of making pressurised-gas bottles |
| 09/26/1990 | EP0389024A1 Method of making a gear-change sleeve for a motor vehicle |
| 09/25/1990 | US4958972 Breakable composite drill screw |
| 09/25/1990 | US4958620 Water heater construction |
| 09/25/1990 | US4958430 Manufacturing process for manufacturing thin edge orifice disks for fuel injectors |
| 09/20/1990 | WO1990010513A1 Machine tool for cutting out transverse ribs on a rectangular cross-section element for heat exchanger |
| 09/18/1990 | US4957396 Cutting insert with chip control |
| 09/13/1990 | DE3908026A1 Verfahren zum herstellen eines profilierten gleitlagerelementes und vorrichtung A method of manufacturing a profiled element and plain shaft device |
| 09/12/1990 | EP0387182A1 Process for producing a disc brake pad |
| 09/07/1990 | WO1990009865A1 Process for manufacturing an endless metallic strip provided with an embossed pattern |
| 09/05/1990 | EP0385217A2 Apparatus for stamping a sheet-like material, in particular a labelling material |
| 09/05/1990 | CN1045053A Apparatus for processing irregular excircle of piston |
| 09/05/1990 | CN1009471B Method of manufacturing control wheel for high-pressure rotor of steam turbine |
| 09/04/1990 | US4954139 Method for producing polycrystalline compact tool blanks with flat carbide support/diamond or CBN interfaces |
| 09/04/1990 | US4953290 Method of connecting heat exchange tubes to a fluid conveying duct |
| 09/04/1990 | CA1273464A1 Process for the manufacture of an injection mould |
| 08/29/1990 | EP0383861A1 Diamond compact possessing low electrical resistivity. |
| 08/29/1990 | CN1009384B Conical gear pair with curved teeth with graduation cone synthetic position-changing coefficient sum being negative value |
| 08/28/1990 | US4951391 Method of manufacturing fittings for tube or pipe |
| 08/28/1990 | US4951372 Method for adjusting injection ports in a fuel injection valve |
| 08/21/1990 | US4949456 Method of making ring gear and ring gear therefrom |
| 08/16/1990 | EP0381793A1 Method of forming a cutting element having a V-shaped diamond cutting face |
| 08/14/1990 | US4947533 Manufacturing method of disk for belt-driven continuously-variable-speed drive |
| 08/08/1990 | EP0380771A1 Method and apparatus for manufacturing casings, especially long casings, for excentric screw pumps or motors |
| 08/07/1990 | US4946092 Method for arranging a through-channel in a solid body, and the body obtained with this method |
| 08/07/1990 | US4945630 Method of making a selected size injection molding nozzle |
| 08/07/1990 | CA1272463A1 Method for producing a spinning nozzle plate |
| 08/07/1990 | CA1272432A1 Titanium engine valve and method of making |
| 08/01/1990 | EP0379922A1 Turbine blade repair |
| 07/31/1990 | US4945208 Carbon dioxide welding gun |
| 07/25/1990 | CN2059613U Insertion mechanism for forming slot wedge |
| 07/24/1990 | US4942653 Production method for a channeled wall thrust nozzle |
| 07/24/1990 | US4942652 Method of making a constant velocity joint cage |
| 07/20/1990 | CA2008185A1 Diamond coated sintered body |