B23P 15/08

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9067286 Piston ring for a piston of an internal combustion engine, and a method for producing sameDec 21, 11Jun 30, 15MAHLE INTERNATIONAL GMBH
8973262 Method for producing a piston ringAug 13, 11Mar 10, 15FEDERAL-MOGUL BURSCHEID GMBH
8430077 Method for producing a piston for an internal combustion engine and piston for an internal combustion engineJun 12, 09Apr 30, 13FEDERAL-MOGUL NURNBERG GMBH
7685710 Method for producing a piston for an internal combustion engineOct 30, 04Mar 30, 10MAHLE INTERNATIONAL GMBH
7337539 Method for production of a coolable annular support for internally cooled piston ringsJul 17, 06Mar 04, 08A.I.M.L. GmbH
6671943 Method of manufacturing a pistonDec 18, 97Jan 06, 04TOYOTA JIDOSHA KABUSHIKI KAISHA
6562480 Wear resistant coating for piston ringsJan 10, 01May 13, 03MAHLE ENGINE COMPONENTS USA, INC.
6230379 Combined machining apparatus for making piston ringsNov 29, 99May 15, 01KOMATSU NTC LTD.
4970769 Method for producing cylinder having scavenging passages for two-cycle internal combustion engineApr 18, 89Nov 20, 90KIORITZ CORPORATION
4827586 Method of making a sealNov 09, 87May 09, 89GENERAL DYNAMICS ARMAMENT SYSTEMS, INC.
4499643 Process for manufacturing a piston ringJul 01, 83Feb 19, 85NIPPON PISTON RING CO., LTD.
4497102 Process for manufacturing a piston ringJul 01, 83Feb 05, 85NIPPON PISTON RING CO., LTD.
4192051 Method for manufacturing fully sealed piston ringNov 28, 77Mar 11, 80Not available