B21K 1/14

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
7946034 Method for manufacturing a tribological componentAug 07, 07May 24, 11SCHUNK KOHLENSTOFFTECHNIK GMBH
7117594 Oil-scraper piston ring and a method for producing an oil-scraper piston ringDec 19, 00Oct 10, 06FEDERAL-MOGUL BURSCHEID GMBH
7003878 Method for producing a ring support with a sheet metal cooling channel welded thereonNov 29, 01Feb 28, 06MAHLE INTERNATIONAL GMBH
6226868 Connector for fuel injection nozzle and method of producing the sameOct 12, 99May 08, 01SANOH KOGYO KABUSHIKI KAISHA
5601377 Yoke of universal joint and method of producing sameJun 24, 94Feb 11, 97FUJI KIKO CO., LTD.
4790172 Method for providing a tubular node in a framework truss structure such as offshore platforms for oil drilling and productionMay 20, 86Dec 13, 88Saga Petroleum a.s. & Co.