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Class Information
Number: 29/DIG.24
Name: Metal working > Method or apparatus with local heating

Patents under this class:

Patent Number Title Of Patent Date Issued
8342835 Seal-ring shape forming apparatus Jan. 1, 2013
8245398 Method of shape forming a seal-ring Aug. 21, 2012
7231702 Connector and method of use thereof Jun. 19, 2007
5862588 Method for restraining circuit board warp during area array rework Jan. 26, 1999
5718044 Assembly of printing devices using thermo-compressive welding Feb. 17, 1998
5666988 Throttle shaft and plate construction Sep. 16, 1997
5649277 Process and apparatus for the free-forming manufacture of three dimensional components of predetermined shape Jul. 15, 1997
5416965 On-site method of installing replacement glass in a vehicle May. 23, 1995
5335410 Method of making ultra small diameter catheters and of reinforced tubular product Aug. 9, 1994
5097585 Method of forming a composite tubular unit by expanding, low-frequency induction heating and successively quenching Mar. 24, 1992
5074019 Roll with induction heating arrangement Dec. 24, 1991
5040399 Method of fabricating box section from steel with walls that differ in thickness Aug. 20, 1991
4998773 Article of furniture made from thermosetting resin impregnated felt Mar. 12, 1991
4738602 Method for manufacturing an apex seal for a rotary piston engine using high energy heating radiation Apr. 19, 1988
4712809 Method and device for assembling several components, particularly connection fittings for fluid couplings Dec. 15, 1987
4707898 Beam profile cutting machine and method Nov. 24, 1987
4695329 Method for manufacturing a cylinder head of cast aluminum alloy for internal combustion engines by employing local heat treatment Sep. 22, 1987
4644624 Method for manufacturing a flanged half bearing Feb. 24, 1987
4606101 Method of manufacturing a radially corrugated expander-spacer for a piston oil ring assembly Aug. 19, 1986
4499643 Process for manufacturing a piston ring Feb. 19, 1985
4486940 Method of forming a sewing machine hook assembly Dec. 11, 1984
4386458 Fatigue resistance for coupling and connection joint mechanisms Jun. 7, 1983
4250612 Method for working the end of a synthetic resin molding having laminated thereon a metal foil Feb. 17, 1981
4100392 Assembly of a magnet and a pole piece Jul. 11, 1978
4063063 Method of descaling metal products Dec. 13, 1977
3995357 Integrally cast bearing, method and apparatus for making same Dec. 7, 1976

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