| 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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| 05/17/1994 | US5312207 Cylindrical bit |
| 05/10/1994 | US5310607 Hard coating; a workpiece coated by such hard coating and a method of coating such workpiece by such hard coating |
| 05/10/1994 | US5310596 Multilayer diamond structure of carbon with crystal structure containing columns |
| 05/10/1994 | US5310432 Toothed wheel for use in automobiles and its manufacturing method |
| 05/10/1994 | US5309818 Method for the manufacture of a cooled piston |
| 05/10/1994 | US5309792 Device for cutting a sheet material and process for its manufacture |
| 05/10/1994 | US5309637 Method of manufacturing a micro-passage plate fin heat exchanger |
| 05/10/1994 | US5309636 For use in an engine nozzle structure |
| 05/05/1994 | DE4337690A1 Method of manufacturing integrally forged car wheel - starts with workpiece annular blank of dimensions contg. integral edge which is pressed, forged and shaped forming rim, hub and contour respectively |
| 05/05/1994 | DE4336706A1 Method of manufacturing piston bush with piston slide bore - involves bore for control sleeve and window section in wall of control sleeve bore |
| 05/04/1994 | EP0594927A1 Method of producing a brake shoe |
| 05/04/1994 | EP0594810A1 Bobbin body and process for producing the same. |
| 05/03/1994 | CA2013077C Turbine blades |
| 04/28/1994 | DE4301041C1 Providing a fluid cooled tubular wall wiht a thermal protection coating - by coating the wall at its heated work temperature |
| 04/27/1994 | EP0594042A1 A section steel wire for an oil ring and a method of producing the same |
| 04/27/1994 | EP0593932A1 Method for manufacturing welded sheet steel plates |
| 04/27/1994 | CN1085853A Method for mfg. (BJ) inner wheel of automobile transmission shaft with equi-speed joint |
| 04/21/1994 | DE4335101A1 Window form part for vehicle - has main section arranged between vehicle body and vehicle window and decorative section connected to main section over its length |
| 04/20/1994 | CN1085473A Manufacturing method for drive joint |
| 04/19/1994 | US5304262 Controlled hardness, resistance to corrosion and wear |
| 04/19/1994 | US5303618 Via hole punch |
| 04/19/1994 | CA2051972C Method of forming perforating rule and blades |
| 04/14/1994 | WO1994007648A1 Method and device for removing a bearing assembly from a shaft |
| 04/13/1994 | EP0592179A1 Reconditioning engine parts |
| 04/13/1994 | CN1085142A Method for mfg. blank of outer gear for automative driving axle's ball joint |
| 04/12/1994 | US5302234 Chemical machining to form non-planar cutting tools |
| 04/12/1994 | US5302059 Insert drill |
| 04/06/1994 | EP0591121A1 Titanium based carbonitride alloy with controlled structure |
| 04/06/1994 | EP0590008A1 Extrusion die tool for producing a hard metal or ceramic rod with twisted internal bores. |
| 04/05/1994 | US5299471 Cutting insert for a rotary cutting tool |
| 04/05/1994 | US5299346 Fuel injector upper needle guide burnishing and alignment tool |
| 03/30/1994 | EP0589641A2 Method of producing wear resistant articles |
| 03/30/1994 | CN1084438A Method for making constant-velocity joint outer wheel rough blank |
| 03/29/1994 | US5298285 Vapor deposition of diamond bonded to carbide substrate |
| 03/29/1994 | US5297937 Hollow fan moving blade |
| 03/29/1994 | US5297719 Method of producing the inner part of a tripod joint |
| 03/29/1994 | US5297630 Downhole milling tool |
| 03/29/1994 | US5297456 Cutting tool with twisted edge and manufacturing method thereof |
| 03/29/1994 | US5297324 Fully rounded jingle bell making method |
| 03/24/1994 | DE4304559C1 Cooled structure production method - forms tube wall of small pipes with covering layer thicker at mounting flange and spark-erodes openings in pipes for coolant at flange seat |
| 03/23/1994 | EP0436637B1 Cutting insert with chip control |
| 03/22/1994 | US5295302 Coating an aluminum sheet with brazing material, forming tubes and assembly into heat exchangers |
| 03/16/1994 | EP0587490A1 Method and device for determining the twist of a bar |
| 03/16/1994 | EP0587489A1 Method and device to produce a hardened twisted bar with holes |
| 03/16/1994 | EP0586776A1 A method of manufacturing a double row angular contact ball bearing |
| 03/16/1994 | CN1083750A High-energy wholly shaping end-closing technology without mould |
| 03/15/1994 | US5293768 Apparatus for manufacturing a razor blade structure for shaving systems |
| 03/15/1994 | US5293766 Method for making slender seamless steel mold |
| 03/09/1994 | EP0586352A1 Method of manufacturing a sintered carbonitride alloy with improved toughness behaviour |
| 03/09/1994 | EP0376975B1 Alumina coated silicon carbide whisker-alumina composition |
| 03/08/1994 | US5292381 Piston ring and process for manufacturing the same |
| 03/02/1994 | EP0272305B1 Apparatus and method for forming an integral object from laminations |
| 02/23/1994 | EP0584051A1 Method of manufacturing whisker-reinforced ceramics |
| 02/23/1994 | EP0583916A1 Abrasive product |
| 02/23/1994 | CN1082477A Method for producing austenic stainless steel self tapping and self drilling screw |
| 02/22/1994 | US5287621 Cylinder liner manufacturing process |
| 02/16/1994 | EP0582676A1 Improvements in or relating to razor blades |
| 02/16/1994 | CN1081945A Method for manufacturing toothed discs, in particular for the adjustment of reclining car seats |
| 02/15/1994 | US5285573 Method for manufacturing hollow airfoils (four-piece concept) |
| 02/15/1994 | US5285568 Apparatus for the automatic installation of expander rings into split piston rings |
| 02/09/1994 | EP0582475A1 Cutting tools of composite construction |
| 02/08/1994 | US5283938 Method of making a connecting rod fracturing tool |
| 02/08/1994 | CA1326762C Method for arranging a through-channel in a solid body and the body obtained with this method |
| 02/02/1994 | CN1081309A Nodular cast iron rotary skim cutter and its mfg. method |
| 02/01/1994 | US5283020 Filling expanding polymer in a cavity, curing, molding |
| 02/01/1994 | US5282313 Method for producing heat exchange elements and heat exchange elements produced thereby |
| 02/01/1994 | US5282307 Metallic ornamental plate manufacturing method |
| 01/27/1994 | DE4321977C1 Mfg deep drawing or press tools for sheet material parts - by casting offset mask of low alloy or plastic material from punch or die |
| 01/27/1994 | DE4224303A1 Reinforcement for side walls of motor vehicle - consists of unformed metal sheet, with central groove- like bead |
| 01/26/1994 | EP0580259A1 Method of manufacturing a moulding member and moulding member which can be manufactured by means of the method |
| 01/19/1994 | EP0579587A1 Whisker-reinforced ceramic body |
| 01/19/1994 | EP0579525A1 Manufacturing method for a bicycle rim and rim manufactured by this method |
| 01/19/1994 | EP0579344A1 Method of manufacturing a gearwheel element of a pinion shaft |
| 01/18/1994 | USRE34509 Method of making a bearing for spindles of spinning or twisting machines |
| 01/18/1994 | US5279491 Molding apparatus including core for molding zero-draft hole |
| 01/18/1994 | US5279174 Worm speed reducer, and manufacturing method for worm and worm wheel |
| 01/18/1994 | US5279032 Method of manufacturing a gas injection element |
| 01/18/1994 | CA1326146C Drill bit with cutting insert |
| 01/13/1994 | DE4222660A1 Prodn. of micro-valve for easy application - using conventional X=ray and photolithographic techniques, plastics and electrolytic processing and etching on one substrate |
| 01/12/1994 | EP0578626A1 Compound body |
| 01/12/1994 | EP0578518A1 Process for preparing an insert on an article to be coated, the article being from steel or titanium alloy |
| 01/12/1994 | EP0578031A2 Sintered carbonitride alloy and method of its production |
| 01/12/1994 | EP0577852A1 Method for optimization of lateral surface profile of piston and of minimal gap between the piston and cylinder at the cold condition of the engine |
| 01/11/1994 | US5276966 Enhanced stored chemical energy powered boiler |
| 01/06/1994 | WO1994000612A1 Sintered extremely fine-grained titanium based carbonitride alloy with improved toughness and/or wear resistance |
| 01/05/1994 | EP0577066A1 Cutting tool employing vapor-deposited polycrystalline diamond for cutting edge and method of manufacturing the same |
| 12/28/1993 | US5273379 Blank material for drill and drill therefrom |
| 12/28/1993 | US5272929 Transmission shaft carrying at least two gears |
| 12/28/1993 | US5272808 Method of manufacturing a cylinder head gasket |
| 12/23/1993 | WO1993025340A1 Turbine rotors |
| 12/21/1993 | US5271151 Method of making a high pressure condenser |
| 12/16/1993 | DE4319469A1 Blade wheel for torque converter - has indentations formed in blade sleeve through relative movement of upper and lower dies moving parallel to rotary axis of wheel |
| 12/15/1993 | CN1023086C Method for manufacturing heat-exchanger and its apparatus |
| 12/14/1993 | US5270513 Process for manufacturing extrusion dies and dies thus obtained |
| 12/14/1993 | US5269058 Design and processing method for manufacturing hollow airfoils |
| 12/09/1993 | DE4319076A1 Manufacturing method for producing tie rods - involves producing untempered rod and the shaping to determined diameter and further shaping into differently shaped regions |
| 12/07/1993 | CA1324889C Diamond compact possessing low electrical resistivity |
| 12/02/1993 | DE4315618A1 Method of mfg. precision components of refined tool steel - starts with cylindrical bolt blank of hardened steel and specified tensile strength followed by machining |
| 12/01/1993 | EP0571601A1 Cutting apparatus and automatic cutting system of blade's raw material of blanking die |
| 11/30/1993 | US5266388 Binder enriched coated cutting tool |