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Class Information
Number: 277/601
Name: Seal for a joint or juncture > Seal between fixed parts or static contact against relatively movable parts > Contact seal between parts of internal combustion engine > Covering member or eyelet for opening > Covering fire ring or sealing formation
Description: Covering member or eyelet wherein the covering member or eyelet is for the opening provided for a combustion chamber of the internal combustion engine.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8496253 Metallic flat gasket Jul. 30, 2013
8246053 Exhaust manifold gasket with spring steel embossed metal and graphite insulator Aug. 21, 2012
8100411 Cylinder head gasket Jan. 24, 2012
7665741 Laminate-type gasket Feb. 23, 2010
7017917 Seal structure in engine body Mar. 28, 2006
6789386 Exhaust gas manifold Sep. 14, 2004
6758479 Cylinder head gasket with different materials Jul. 6, 2004
6739595 Self-energizing combustion seal flange May. 25, 2004
6719301 Spring back fire ring Apr. 13, 2004
6619666 Metal gasket assembly Sep. 16, 2003
6386549 Multiple layer gasket having selectively removable spacer layers May. 14, 2002
6371489 Cylinder-head gasket for internal combustion engine Apr. 16, 2002
6182976 Metal gasket Feb. 6, 2001
6036194 Combustion gas seal for an internal combustion engine Mar. 14, 2000
5984317 Galling resistant gasket Nov. 16, 1999
5934682 Head gasket with preflattened wire rings and method of making and using same Aug. 10, 1999
5931475 Metal laminate gasket with mutual laminating portions Aug. 3, 1999
5921558 High recovery combustion seal gasket Jul. 13, 1999
5899462 Metal laminate gasket with stepped sealing portion May. 4, 1999
5895057 Head gasket assembly for very closely adjacent cylinder bores with stabilized armoring and method of making same Apr. 20, 1999
5873578 Gasket for internal combustion engine and method for forming same Feb. 23, 1999
5755447 Metal gasket with shim May. 26, 1998
5727795 Single layer or multi-layer metal cylinder head gasket and method of making the same Mar. 17, 1998
5683092 Cylinder head gasket with areas of relatively high rigidity Nov. 4, 1997
5636850 Deformable combustion seal ring Jun. 10, 1997
5505466 Cylinder head gasket with retaining ring and spring seal Apr. 9, 1996
5482014 High output automotive engine gasket assembly and method of making same Jan. 9, 1996
5460387 Metal laminate gasket having sealing mechanism formed of recess and flange Oct. 24, 1995
5410997 High performance automotive engine gasket and method of sealing a high performance engine May. 2, 1995
5375851 Multi-layer metal gasket with positioning apertures and method of making same Dec. 27, 1994
5362074 Reinforced core heavy duty gasket Nov. 8, 1994
5341779 Beam functioning fire ring Aug. 30, 1994
5340126 Flangeless fire ring holder Aug. 23, 1994
5338046 Composite powdered metal retaining ring Aug. 16, 1994
5310197 Gasket construction May. 10, 1994
5306023 Cylinder head gasket with auxiliary sealing plate Apr. 26, 1994
5277433 Metal laminate gasket with surface pressure adjusting ring Jan. 11, 1994
5275139 Method of sealing a high performance automotive engine and engine assembly Jan. 4, 1994
5267740 Metal head gasket with integrated sealing aids Dec. 7, 1993
5215314 Gasket with main and auxiliary grommets Jun. 1, 1993
5201534 Metal laminate gasket with double seal rings Apr. 13, 1993
5161809 Metal gasket Nov. 10, 1992
5106107 Head gasket having a staked fire rings and method of making same Apr. 21, 1992
5076592 Head gasket with sealing rings having multi-stage compressibility Dec. 31, 1991
5004249 Flat gasket and process for its production Apr. 2, 1991
4962939 Cylinder head gasket having overlays in end zones Oct. 16, 1990
4898396 Steel laminate gasket Feb. 6, 1990
4834399 Steel laminate gasket May. 30, 1989
4796897 Head gasket with beam-functioning fire ring Jan. 10, 1989
4781389 Flat sealing gasket having graphite-filled armor Nov. 1, 1988

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