| 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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| 02/06/1979 | US4137619 Consolidating copper or nickel powders, cladding with a corrosion resistant alloy |
| 01/30/1979 | US4136586 Method for constructing a multiple segment rock bit |
| 01/30/1979 | US4136428 Method for producing improved heat transfer surface |
| 01/30/1979 | US4136427 Method for producing improved heat transfer surface |
| 01/23/1979 | US4136272 Method of manufacturing heat exchange panels |
| 01/23/1979 | US4136231 Sandwich panel fabrication |
| 01/23/1979 | US4135847 Composite drill for drilling circuit boards |
| 01/23/1979 | US4135414 Method of making inserted blade hob |
| 01/23/1979 | CA1046740A1 Assembling flexible sleeve on shock absorbers or leveling struts |
| 01/16/1979 | US4134421 Closing spring assembly for slam-shut valves |
| 01/16/1979 | CA1046252A1 Contour formed metal matrix blade plies |
| 01/09/1979 | US4133227 Direct machining method of manufacture of isostress contoured dies |
| 01/09/1979 | CA1045798A1 Manufacture of composite-metal turbine wheel |
| 12/26/1978 | US4131231 Fireplace heating system |
| 12/20/1978 | EP0000001A1 Thermal heat pump |
| 12/19/1978 | US4130324 Seal means for a self-aligning bearing |
| 12/19/1978 | US4130233 Process for making porous metal heat sink from clad aluminum wire |
| 12/19/1978 | CA1044643A1 Ductile corrosion resistant coating on a superalloy substrate |
| 12/12/1978 | US4129026 Method of making a pulley groove |
| 12/12/1978 | US4128928 Method of forming a curved trailing edge cooling slot |
| 12/12/1978 | CA1043996A1 Pressure accumulator and method of forming same |
| 12/12/1978 | CA1043995A1 Method of making high thermal conductivity porous metal panels |
| 12/05/1978 | US4128250 Pistons and piston rings |
| 11/28/1978 | US4127234 Multi orifice structure and method of making same |
| 11/28/1978 | US4126926 Method of constructing a metal paneled fence |
| 11/28/1978 | CA1043266A1 Method of making a mold or pattern for a turbine wheel |
| 11/21/1978 | US4126492 Brake disc and process for producing the same |
| 11/21/1978 | US4126178 Multiple fluid flow path bodies |
| 11/21/1978 | US4125929 Deformable metallic element |
| 11/07/1978 | US4124021 Makeup air tempering for grease extraction ventilator |
| 11/07/1978 | US4124010 Piston pin bore and method of finishing |
| 11/07/1978 | US4123837 Heat transfer method |
| 10/31/1978 | US4123072 Piston ring assembly and method of making same |
| 10/31/1978 | US4122595 Scored rupture disk manufacturing method |
| 10/31/1978 | US4122590 Means and method of installing emitters in irrigation tubing |
| 10/24/1978 | US4121331 Method for manufacturing a friction speed change gearing |
| 10/24/1978 | US4121328 Method of manufacturing a nebulization-humidification nozzle |
| 10/17/1978 | US4120351 Heat exchange panel with improved header |
| 10/17/1978 | US4120081 Manufacture of pistons incorporating a thermal barrier |
| 10/17/1978 | CA1040538A1 Tip cap apparatus and method of installation |
| 10/10/1978 | US4119004 Cutting blade |
| 10/10/1978 | US4118848 Method of making gear and shaft or hub assemblies |
| 10/10/1978 | CA1039934A1 Heat exchanger and method of making same |
| 09/26/1978 | US4115959 Method for increasing the life of silicon carbide grinding wheels |
| 09/26/1978 | CA1039035A2 Method of winding overlapping tubes of a heat-exchanger |
| 09/26/1978 | CA1039008A1 Method of superplastic forming with concurrent diffusion bonding |
| 09/19/1978 | US4114398 Process for producing articles of jewelry, trinketry and the like, made of metals of different colors |
| 09/19/1978 | US4114245 Pressure shaft seal method |
| 09/19/1978 | CA1038657A1 Boring bar constructed by bending |
| 09/12/1978 | US4112827 Method of making cutting, scoring and embossing die set |
| 09/12/1978 | US4112568 Method of fabricating a flow device |
| 09/12/1978 | US4112566 Method of manufacturing heat exchange panels |
| 09/12/1978 | US4112564 Method of making a composite roller |
| 09/05/1978 | US4111438 Sealing ring assemblies for pistons |
| 09/05/1978 | US4111031 Powder metal crown gear forming process |
| 08/29/1978 | US4109870 Multiorifice structure and method of making same |
| 08/29/1978 | US4109711 Heat exchange panel |
| 08/29/1978 | US4109364 Method of making ball and socket joint |
| 08/29/1978 | CA1037453A1 Valve seal retaining means and method of making a valve having same |
| 08/29/1978 | CA1037298A1 Cutting tool and method for making same |
| 08/22/1978 | US4108572 Titanium sheet |
| 08/15/1978 | US4106977 With wear-resistant layer for pistons of internal combustion engines |
| 08/15/1978 | US4106168 Method and apparatus for assembling a ball cage of the type utilized in a motion transmitting remote control assembly |
| 08/08/1978 | US4105443 Metal-forming dies |
| 08/08/1978 | US4104790 Pipe installing apparatus for large heat exchangers |
| 08/01/1978 | US4103580 Die boards and method of producing cutting rule for same |
| 07/25/1978 | US4102735 Die and method of making the same |
| 07/25/1978 | US4102652 Modular construction for a large catalytic reaction apparatus |
| 07/25/1978 | US4102286 Method of making louvered connectors and contact elements thereof |
| 07/04/1978 | US4097981 Method of fabricating C-clamp |
| 06/27/1978 | US4096787 Cylinder-and-piston arrangement and method of manufacturing the same |
| 06/27/1978 | US4096615 Turbine rotor fabrication |
| 06/20/1978 | US4095491 Method for making power boring bits |
| 06/06/1978 | US4092773 Method for forming a clevis |
| 06/06/1978 | US4092772 Method for making a universal joint |
| 06/06/1978 | US4092771 Process and apparatus for renewing sliding gate valve units for casting ladles |
| 05/30/1978 | US4091757 Unitized can manufacturing system |
| 05/30/1978 | US4091520 Process for making a gastight passage |
| 05/23/1978 | US4091146 Flexible, low porosity airfoil skin |
| 05/23/1978 | US4090286 Fluid operated diaphragm assembly and method of making the same |
| 05/23/1978 | US4090284 Method of making a sintered pulley hub construction |
| 05/23/1978 | US4090283 Method of making hollow globular roller |
| 05/16/1978 | US4089095 Seal means for a self-aligning bearing and method of making the same |
| 05/09/1978 | US4088046 Method of producing forming tools |
| 05/09/1978 | US4087996 Method and apparatus for correcting distortion in gas turbine engine blades |
| 05/09/1978 | US4087892 Regulating flow |
| 05/02/1978 | US4086733 Method of making a reamer, and a reamer made in accordance with this method |
| 04/25/1978 | US4085491 Solar energy heat exchanger and method for making same |
| 04/25/1978 | US4085490 Method of making a rolled metal piston ring |
| 04/25/1978 | US4085489 Process for fabricating hollow races or wheels provided at their lateral ends with axle stumps in which process substantially no chips are produced; and races and wheels manufactured in accordance with this process |
| 04/18/1978 | US4084304 Method of constructing a valve |
| 04/11/1978 | US4083643 Roughing cutter |
| 04/11/1978 | US4083093 Multiple material solar panel and method and apparatus for manufacturing the same |
| 04/04/1978 | US4082382 Method for manufacturing ball bearings; a sintered metal outer race preform for use therein; and a ball bearing produced thereby |
| 04/04/1978 | US4081891 Method of making a valve |
| 03/28/1978 | US4081026 Hollow article |
| 03/28/1978 | US4080703 Radiating or absorbing heat exchange panel |
| 03/28/1978 | US4080701 Water jacket fabrication |
| 03/28/1978 | US4080700 Method of atomizing a liquid, an atomizer tip for use in the method and method of manufacturing the tip |
| 03/28/1978 | US4080699 Apparatus and method for burnishing gears |