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Class Information
Number: 29/888.011
Name: Metal working > Method of mechanical manufacture > Prime mover or fluid pump making > I.c. (internal combustion) engine making > Repairing, converting, servicing or salvaging
Description: Process wherein an existing I.C. engine is (1) restored or otherwise put in a more functional, stable or improved working condition; (2) mechanically modified or altered to produce an article of substantially different capacity, size, function or type of operation; or (3) treated to recover a portion of the whole thereof which would otherwise constitute discarded material or using such material in a process of mechanical manufacturing.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8671569 Accumulator bore repair kit and replacement pistons Mar. 18, 2014
8635771 Method of modifying engine oil cooling system Jan. 28, 2014
8601685 Method of retrofitting an engine Dec. 10, 2013
8555500 Method of producing or repairing turbine or engine components, and a component, namely a turbine or engine component Oct. 15, 2013
8544267 Engine assembly and method of making Oct. 1, 2013
8505512 Method of modifying engine oil cooling system Aug. 13, 2013
8499447 Repair method for corroded engine cylinder head Aug. 6, 2013
8484842 Apparatus for separating engine crankcase portions and method for same Jul. 16, 2013
8468694 Remanufactured cylinder liner flange replacement Jun. 25, 2013
8448924 Alternative-fuel inductor for engines May. 28, 2013
8291587 Method for field modification of a diesel generator to improve efficiency Oct. 23, 2012
8205331 Full time lean running aircraft piston engine Jun. 26, 2012
8192152 Repaired internal holding structures for gas turbine engine cases and method of repairing the same Jun. 5, 2012
8146231 Insertion tool for a rotary chopper element of an integral chopper assembly of a combine harvester Apr. 3, 2012
8079143 Method and apparatus for engine piston installation by use of industrial robots Dec. 20, 2011
8011094 Method of converting diesel engine to natural gas engine Sep. 6, 2011
7981331 Salvage coating applicator and process Jul. 19, 2011
7963033 Remotely mountable turbo system and method of installing Jun. 21, 2011
7955048 Steam turbines Jun. 7, 2011
7882631 Methods for controlling valves of an internal combustion engine, devices for controlling the valves, and engines employing the methods Feb. 8, 2011
7856714 Method of retrofitting an engine Dec. 28, 2010
7726019 Method for reducing emissions from a combustor Jun. 1, 2010
7712216 Restoration process for porosity defects in metal cast products May. 11, 2010
7627949 Motorcycle engine Dec. 8, 2009
7513237 Engine and methods of manufacturing an engine with increased internal support Apr. 7, 2009
7398962 Quick jet change fuel float bowl Jul. 15, 2008
7373916 Method, computer software code, and system for restoration of master and articulating rods May. 20, 2008
7340895 Turbocharger actuator Mar. 11, 2008
7188416 Restoration process for porosity defects in high pressure die cast engine blocks Mar. 13, 2007
7107769 Master cylinder Sep. 19, 2006
6912768 Method for locking dual overhead camshafts Jul. 5, 2005
6910269 Method of converting diesel engine to natural gas engine Jun. 28, 2005
6895915 Direct drive cranking system for belt or chain-driven V-Twin motorcycle engines May. 24, 2005
6871397 Methods and systems for improving the operation of transmissions for motor vehicles Mar. 29, 2005
6769165 Camstopper Aug. 3, 2004
6742254 Method of manufacturing a camshaft Jun. 1, 2004
6705010 Method and apparatus for reducing the force required to insert a seal in a cavity Mar. 16, 2004
6647622 Repairing an engine cooling system Nov. 18, 2003
6622381 Method of manipulating a pump Sep. 23, 2003
6584686 Method for converting the configuration of a transmission pump assembly Jul. 1, 2003
6530135 Camstopper Mar. 11, 2003
6497038 Method for roller tappet suspension in an internal combustion engine for removal of a camshaft or other components Dec. 24, 2002
6449842 Powder for piston-ring installation Sep. 17, 2002
6434809 Tooling component for camshaft removal and installation Aug. 20, 2002
6415755 Valve clearance adjusting tool and method for adjusting valve clearance Jul. 9, 2002
6405433 Method of removing a liner of a piston cylinder Jun. 18, 2002
6324757 Method of repairing an engine cooling system Dec. 4, 2001
6195886 Method of repairing a cylinder head having cooling water passages Mar. 6, 2001
6161284 Method for improved service of engine mounted accessories Dec. 19, 2000
6131281 Method for creating a mechanical joint in an engine oil cooler Oct. 17, 2000

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