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Class Information
Number: 29/888.3
Name: Metal working > Method of mechanical manufacture > Prime mover or fluid pump making > Seal or packing making
Description: Process wherein the manufactured article is (1) especially adapted to close or make secure against unwanted fluid leakage or fluid passage or (2) a part of (1) which is not elsewhere classified.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7401404 Retainer gasket construction Jul. 22, 2008
7374176 Laser welded multi-layered steel gasket assembly May. 20, 2008
7334328 Method of manufacturing axis seals having reduced gas leakage properties and a rotary machine using axis seals Feb. 26, 2008
7302925 Manifold gasket having pushrod guide Dec. 4, 2007
7200932 Laser welded multi-layered steel gasket assembly Apr. 10, 2007
7194803 Seal ring and method of forming micro-topography ring surfaces with a laser Mar. 27, 2007
7181843 Method of manufacturing a brush seal Feb. 27, 2007
7131197 Engine seal installing tool Nov. 7, 2006
7117594 Oil-scraper piston ring and a method for producing an oil-scraper piston ring Oct. 10, 2006
7114254 Metal plate gasket Oct. 3, 2006
7100925 Pressure energized metallic seal Sep. 5, 2006
7080440 Very low moisture o-ring and method for preparing the same Jul. 25, 2006
7059609 Metal gasket with cold formed stopper Jun. 13, 2006
7017268 Seal reforming method and apparatus Mar. 28, 2006
7010844 Method for assembling components using split seal Mar. 14, 2006
7007641 Electro-hydraulic assembly for controlling engine valve deactivation Mar. 7, 2006
6996885 Method of making bristle arrangement for brush seal Feb. 14, 2006
6968615 High temperature metallic seal Nov. 29, 2005
6957486 Device and process for the production of gasket layers Oct. 25, 2005
6931705 Cylinder liner having modified combustion seal and method Aug. 23, 2005
6928714 Method of assembling a sealing ring in an outer annular groove Aug. 16, 2005
6915574 Method of manufacturing variable vane seal and washer materials Jul. 12, 2005
6910856 Run-in coating for axial-flow compressor of gas turbine engines and method of using and making same Jun. 28, 2005
6804872 Method of forming a roll pin compression limiter Oct. 19, 2004
6742255 Method of manufacturing curveable reinforcement Jun. 1, 2004
6722661 Multilayer gasket Apr. 20, 2004
6719299 Flap seal Apr. 13, 2004
6708982 Method for applying a projection to a metal layer of a cylinder-head gasket, and cylinder-head gasket Mar. 23, 2004
6681486 Method of forming brush seals between rotating components Jan. 27, 2004
6668439 Apparatus for an improved gasketed aerosol mounting cup Dec. 30, 2003
6668452 Piston-rod scraping ring accommodated in a groove in a dashpot cap, and method of inserting such a ring in such a groove Dec. 30, 2003
6644914 Abradable seals Nov. 11, 2003
6612030 Multiple-ply resilient seal Sep. 2, 2003
6553664 Method of making a segmented gasket having a continuous seal member Apr. 29, 2003
6553639 Method of manufacturing seals Apr. 29, 2003
6485027 Surface heat treatment of piston rings Nov. 26, 2002
6471469 Methods and apparatus for sealing gas turbine engine variable nozzles Oct. 29, 2002
6439351 Brake for a hydraulic vehicle brake system, sealing ring for such a brake and method for producing such a sealing ring Aug. 27, 2002
6431827 Bucket tip brush seals in steam turbines and methods of installation Aug. 13, 2002
6401322 Method of manufacturing a sealing apparatus Jun. 11, 2002
6390479 Manufacture of gaskets May. 21, 2002
6363610 Gas turbine rotor bimetallic ring seal and method therefor Apr. 2, 2002
6357758 Metal gasket and method of manufacturing Mar. 19, 2002
6322082 High pressure seal with contoured stamping I. D. Nov. 27, 2001
6286211 Method for making a brush-tooth seal Sep. 11, 2001
6251494 Honeycomb structure seal for a gas turbine and method of making same Jun. 26, 2001
6241256 Gasket for heat exchanger and method and apparatus for manufacturing same Jun. 5, 2001
6230900 Filter assembly and process for producing the same May. 15, 2001
6231050 Gasket with formable tabs and method May. 15, 2001
6209883 Single layer head gasket with integral stopper and method of making the same Apr. 3, 2001

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