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Class Information
Number: 29/890.12
Name: Metal working > Method of mechanical manufacture > Valve or choke making
Description: Process for manufacturing a gas and water device which is especially useful for regulating or controlling the flow of fluids in a piping system or in machinery.

Sub-classes under this class:

Class Number Class Name Patents
29/890.132 Including metal shaping and diverse operation 62
29/890.121 Repairing, converting, servicing or salvaging 52
29/890.122 Valve seat forming 82
29/890.123 Valve stem or tire valve making 14
29/890.124 With assembly, disassembly or composite article making 177

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8656591 Fuel injector Feb. 25, 2014
8595933 Injection valve, method for its production, and apparatus for performing the method Dec. 3, 2013
8555503 Casting-integrated control body processing Oct. 15, 2013
8495816 Method for adjusting the throttling action of a valve Jul. 30, 2013
8429821 Method of fabricating valve unit in a microfluidic device Apr. 30, 2013
8413329 Compressed gas cartridge lance housing Apr. 9, 2013
8402656 Diaphragm damper and method of production and production apparatus of same Mar. 26, 2013
8381400 Method of manufacturing a check valve Feb. 26, 2013
8359749 Method for manufacturing reference pressure chamber Jan. 29, 2013
8261446 Injector seat that includes a coined seal band with radius Sep. 11, 2012
8245402 Method for manufacturing a solid housing Aug. 21, 2012
8234788 Method of making titanium-based automotive engine valves Aug. 7, 2012
8231818 Pressure control valve assembly Jul. 31, 2012
8052065 Tapered high pressure rotary feed valves Nov. 8, 2011
7975716 Solenoid valve puck assembly and method Jul. 12, 2011
7937836 Fluid delivery valve system and method of assembling May. 10, 2011
7913929 Modular outward opening piezo direct fuel injector Mar. 29, 2011
7913389 Method of making a flapper valve assembly Mar. 29, 2011
7905425 Modular outward opening solenoid direct fuel injector Mar. 15, 2011
7895751 Variable shim for setting stroke on fuel injectors Mar. 1, 2011
7849599 Imputing strength gradient in pressure vessels Dec. 14, 2010
7849600 Method of producing a valve arrangement for an expansion valve Dec. 14, 2010
7823289 Method for producing valve housings, and a valve housing Nov. 2, 2010
7642130 Manufacturing method of wiring substrate Jan. 5, 2010
7624750 Flapper valve with mold-in-place bearings Dec. 1, 2009
7617604 Fuel shut-off valve assembly with associated components and methods of making and assembling the same Nov. 17, 2009
7509738 Solid-free-form fabrication of hot gas valve discs Mar. 31, 2009
7503115 Electromagnetic hydraulic valve, in particular a proportional valve for controlling a device for adjusting the rotation angle of a camshaft relative to the crankshaft in an internal combustion Mar. 17, 2009
7478626 Method for producing an injector Jan. 20, 2009
7469472 Method of making molded coupler Dec. 30, 2008
7377040 Method of manufacturing a polymeric bodied fuel injector May. 27, 2008
7367124 Method for the production of a throttle valve port May. 6, 2008
7318278 Method of manufacture of a heart valve support frame Jan. 15, 2008
7314032 Butterfly valve apparatus and manufacturing method of the same Jan. 1, 2008
7287741 Rotary throttle valve carburetor Oct. 30, 2007
7266891 Method for sealing a throttle valve housing Sep. 11, 2007
7231716 Method of making a thin wall nozzle Jun. 19, 2007
7222424 Method for producing a tubular spring and an actuator unit comprising one such tubular spring May. 29, 2007
7171749 Tube connector for fuel tank Feb. 6, 2007
7162355 Constituent parts assembling method for an actuating apparatus Jan. 9, 2007
7146730 Mounting a pass-through on a plastic fuel tank Dec. 12, 2006
7069902 Simultaneous forming method of throttle body and throttle valve Jul. 4, 2006
6988317 Valve integrally associated with microfluidic liquid transport assembly Jan. 24, 2006
6976299 Stump treatment guide bar Dec. 20, 2005
6871401 Tool for inserting and removing a corporation stop and method for use thereof Mar. 29, 2005
6854180 Method of providing shaft biasing lubrication for a short runner valve shaft Feb. 15, 2005
6766580 Method for assembling a valve in a passage in a valve system Jul. 27, 2004
6742932 Axle bolt Jun. 1, 2004
6718633 Process for manufacturing valve trim assemblies Apr. 13, 2004
6684480 Method for making a through opening in a high-pressure fuel reservoir, and apparatus for performing the method Feb. 3, 2004

1 2 3

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