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Class Information
Number: 29/890.132
Name: Metal working > Method of mechanical manufacture > Valve or choke making > Including metal shaping and diverse operation
Description: Process wherein the valve or choke is manufactured by the combined steps of (1) permanently altering the form, configuration, or contour of the workpiece or stock, with or without removal of material, together with (2) an unlike or different manufacturing step, which second step is distinct from the first step although the second step may also constitute another metal shaping operation.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8656591 Fuel injector Feb. 25, 2014
8590815 Fuel injector tip with compressive residual stress Nov. 26, 2013
8555503 Casting-integrated control body processing Oct. 15, 2013
8495816 Method for adjusting the throttling action of a valve Jul. 30, 2013
8474140 High precision grinding and remanufacturing of machine components Jul. 2, 2013
8402655 Method of processing orifice Mar. 26, 2013
8381400 Method of manufacturing a check valve Feb. 26, 2013
8381401 Method of installing rotatable flapper valve to an interior of a conduit Feb. 26, 2013
7908733 Method for manufacturing injection hole member Mar. 22, 2011
7761988 Method of making an outer lever of a switchable finger lever Jul. 27, 2010
7581302 Solenoid valve combining a core and cartridge in a single piece Sep. 1, 2009
7574797 Throttle body and method of assembly Aug. 18, 2009
7231716 Method of making a thin wall nozzle Jun. 19, 2007
7146729 Fuel vapor vent valve and method of attaching same to a tank Dec. 12, 2006
7131179 Mounting structure and method of mounting a component in a structure Nov. 7, 2006
7025330 Bar-stock ball valve Apr. 11, 2006
6988317 Valve integrally associated with microfluidic liquid transport assembly Jan. 24, 2006
6981512 Tubular flow conduit with in-line integrated check valve and method of making same Jan. 3, 2006
6971172 Piezoelectric control valve adjustment method Dec. 6, 2005
6749412 Check valve retainer for a scroll compressor Jun. 15, 2004
6718633 Process for manufacturing valve trim assemblies Apr. 13, 2004
6612325 Control valve assembly of valve assembly-injection-molded control valves or modules Sep. 2, 2003
6446338 Method of sluice gate valve fabrication Sep. 10, 2002
6322050 Method of manufacture of element having ceramic insert and high-strength element-to-shaft connection for use in a valve Nov. 27, 2001
6293012 Method of making a fluid flow module Sep. 25, 2001
6263569 Method of manufacturing a standardized fuel injector for accommodating multiple injector customers Jul. 24, 2001
6226866 Method of making carbon-carbon composite valve for high performance internal combustion engines May. 8, 2001
6213141 Rotary valve apparatus and associated methods Apr. 10, 2001
6189816 Method for producing a valve-seat body for a fuel injection valve, and corresponding fuel injection valve Feb. 20, 2001
6178638 Fabrication method for a flange-type ball valve Jan. 30, 2001
6032350 Method of slotted component manufacture Mar. 7, 2000
5979052 Engine injector structure and hard thread milling method and apparatus for forming same Nov. 9, 1999
5979873 Method of making ball valves Nov. 9, 1999
5926955 Microvalve with joined layers of metal parts and process for manufacture of a microvalve Jul. 27, 1999
5906047 Manufacture of grease fittings and blanks therefor May. 25, 1999
5894663 Method for forming a ball value assembly Apr. 20, 1999
5890286 Ball valve with full opening and a method for its manufacture Apr. 6, 1999
5794591 Throttle valve for an internal combustion engine Aug. 18, 1998
5765283 Method of making a flow controller Jun. 16, 1998
5727413 Process for hot forming hollow spherical bodies Mar. 17, 1998
5697154 Method of producing a fluid injection valve Dec. 16, 1997
5694686 Method for assembling a medical valve Dec. 9, 1997
5489195 Liquid ring pump having a sheet metal valve plate Feb. 6, 1996
5463810 Method of manufacturing plunger barrel Nov. 7, 1995
5392516 Method for forming a spool valve sleeve Feb. 28, 1995
5390408 Slotting Feb. 21, 1995
5348232 Electromagnetically actuated fuel atomising and metering valve for a heat engine fuel supply device Sep. 20, 1994
5277216 Method of attaching a valve disc to a drive shaft Jan. 11, 1994
5246655 Method of making thermoplastic valve rotors Sep. 21, 1993
5235746 Method of manufacturing a high-capacity servo valve body Aug. 17, 1993

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