| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 02/09/1999 | US5868456 Selectively heat treated side intrusion beams and method for making the same |
| 02/04/1999 | WO1999005327A1 Laser hardening of screw forms |
| 02/03/1999 | EP0894206A1 Laminated composite material and method of improving the surface hardness of laminated composite materials |
| 02/03/1999 | EP0894150A1 Top hat furnace |
| 02/03/1999 | EP0776381A4 Method for heat treating a metal component |
| 02/03/1999 | CN1207143A Method for manufacturing high strength and high formability hot-rolled transformation induced plasticity steel containing copper |
| 02/02/1999 | US5866066 Age hardenable alloy with a unique combination of very high strength and good toughness |
| 02/02/1999 | US5866064 Sealing apparatus for compartment inlet/outlet of atmosphere facility |
| 02/02/1999 | US5865913 Deep cryogenic tempering process based on flashing liquid nitrogen through a dispersal system |
| 02/02/1999 | US5865021 Coated roller chain pin |
| 01/28/1999 | WO1999003626A1 Apparatus and method for making uniformly sized and shaped spheres |
| 01/28/1999 | WO1999003610A1 Strip mill with movable coiling furnace |
| 01/27/1999 | EP0893510A1 Automatic plant for thermal treatment of metals, in particular steel |
| 01/27/1999 | EP0893192A1 Process for imparting residual compressive stresses to steel machine components |
| 01/27/1999 | CN1206046A Tower furnace for heat treatment of metal strips |
| 01/27/1999 | CN1205920A Model supported method for controlling cooling of rolled piece during rolling and cooling |
| 01/27/1999 | CN1041844C Reproduction of diamond saw disc body |
| 01/26/1999 | US5863356 Method for producing electric sheets with a glass coating |
| 01/26/1999 | US5862592 Cage for roller bearings and method for manufacturing the same |
| 01/21/1999 | WO1999002744A1 Method for performing a heat treatment on metallic rings, and bearing ring thus obtained |
| 01/21/1999 | WO1999002742A2 Method for manufacturing high magnetic flux density grain oriented electrical steel sheet based on low temperature slab heating method |
| 01/21/1999 | WO1998047648A3 Low-alloy cast iron tappet, apparatus, and process for its manufacturing |
| 01/21/1999 | DE19730383A1 Training of element comprising alloy with shape memory |
| 01/20/1999 | EP0721400B1 Method for improving railway wheels |
| 01/20/1999 | CN2304663Y Apparatus for heating treatment of whole large size ball tank |
| 01/20/1999 | CN1041752C Heat treating method for spring structure soft mattress core |
| 01/20/1999 | CN1041751C Cooled cylinders used mainly for handling siderurgical products |
| 01/19/1999 | US5861067 Steel machine component having refined surface microstructure and process for forming the same |
| 01/19/1999 | CA2065641C Method for producing by continuous heat treatments oil-tempered steel wires for springs having high strength and high toughness |
| 01/19/1999 | CA2047519C Water-cooled rolls for cooling steel sheets |
| 01/14/1999 | DE19829825A1 Carburisation and quenching of thin plate elements |
| 01/13/1999 | EP0890808A1 Insulating of furnace rolls |
| 01/13/1999 | EP0889762A1 Method and arrangement for producing hot-rolled steel strip |
| 01/13/1999 | EP0714452B1 Process and device for heat treatment in a hood type annealing furnace |
| 01/13/1999 | EP0616646B1 Method for the thermal treatment of metal products |
| 01/12/1999 | US5858133 Method for preparing pre-coated aluminum alloy articles and articles prepared thereby |
| 01/12/1999 | US5858128 High chromium martensitic steel pipe having excellent pitting resistance and method of manufacturing |
| 01/12/1999 | CA2155321C Heating furnace system and method for producing hot rolled workpieces |
| 01/07/1999 | EP0889139A1 Device for flushing cold drawn coiled pipes in a roller-hearth furnace |
| 01/06/1999 | CN1203953A Heat treatment method of international combustion engine cylinder and its equipment |
| 01/06/1999 | CN1203952A Method for heat treating rolled stock and device to achieve the method |
| 01/05/1999 | US5855699 Corrosion, heat resistant alloy |
| 01/05/1999 | US5855531 Component parts of a toroidal-type continuously variable transmission having improved life |
| 01/05/1999 | CA2059712C Galvanized high-strength steel sheet having low yield ratio and method of producing the same |
| 12/30/1998 | EP0763177B1 Holder for workpieces with a non-ideal rigidity |
| 12/30/1998 | CN1041443C Rail of high abrasion resistance and high tenacity having pearlite metalographic structure and method of manufacturing same |
| 12/29/1998 | US5853660 Rolling bearing made of improved bearing steel |
| 12/29/1998 | US5853507 Method for manufacturing heat exchangers to allow uniform expansion of tubing |
| 12/29/1998 | US5853501 Hot rolled Cr-Ni stainless steel plate of low anisotropy and process for producing the same |
| 12/29/1998 | US5853499 Grain-oriented electrical steel sheet and method of manufacturing the same |
| 12/29/1998 | US5852859 Method and apparatus for making piston rings |
| 12/24/1998 | DE19743720C1 Cost effective production of iron alloy foil with high resistance to high temperature oxidation |
| 12/23/1998 | EP0885975A1 Process for continuous heat treating metal wires and strips |
| 12/23/1998 | EP0885676A1 Method for influencing the chip flow behaviour on tool surfaces |
| 12/22/1998 | US5851014 Slide ring seal assembly for the running gears of track-laying vehicles |
| 12/17/1998 | WO1998056517A1 Metal strip production |
| 12/16/1998 | EP0884402A1 Method of manufacturing battery can-forming plate, battery can-forming plate manufactured by this method |
| 12/16/1998 | EP0884396A1 Method for manufacturing a railway wheel and railway wheel so obtained |
| 12/16/1998 | EP0883696A1 Bake hardenable vanadium containing steel |
| 12/16/1998 | CN1041219C Surface hardening treatment method for inner wall of long cylinder |
| 12/15/1998 | US5849114 Method of forming plate-type track shoe |
| 12/15/1998 | US5848543 For working a strip of material |
| 12/15/1998 | CA2131732C Method of optimizing the distribution of inherent stress in springs |
| 12/09/1998 | EP0882804A1 Method for heat treating rolled stock and device to achieve the method |
| 12/09/1998 | CN2299874Y Overhead heat treatment conveying and channel sealing device for crankshaft |
| 12/09/1998 | CN1201419A Stainless steel surface claddings of continuous caster rolls |
| 12/08/1998 | US5846344 Spring steel of high strength and high corrosion resistance |
| 12/08/1998 | US5846343 Cold rolled steel sheet exhibiting excellent press workability and method of manufacturing the same |
| 12/08/1998 | US5846057 Laser shock peening for gas turbine engine weld repair |
| 12/03/1998 | WO1998054370A1 Method for manufacturing quenched thin-walled metal hollow casing by blow-moulding |
| 12/03/1998 | WO1998053933A1 Method and apparatus for manufacturing coil springs |
| 12/03/1998 | DE19734563C1 Steel bearing race production |
| 12/03/1998 | CA2291822A1 Method and apparatus for manufacturing coil springs |
| 12/02/1998 | EP0881305A1 Process for manufacturing ferritic stainless steel thin strips and thin strips obtained |
| 12/02/1998 | EP0880423A1 Cutting die and method of forming |
| 12/02/1998 | EP0880422A1 Cutting die and method of making |
| 12/02/1998 | EP0627965B1 Process for applying and removing liquid coolant to control temperature of continuously moving metal strip |
| 12/02/1998 | EP0575411B1 A continuous line for the manufacture of partly hardened products |
| 12/02/1998 | CN1040998C Method for prodn. of grain-oriented magnetic steel plate with improved loss of remagnetization |
| 12/01/1998 | US5843246 Process for producing dual phase ferritic stainless steel strip |
| 12/01/1998 | US5842855 Sealing apparatus for inlet/outlet of compartment of continuous heat treatment furnace, continuous vacuum evaporation facility or the like |
| 12/01/1998 | CA2147979C Cold formed high-strength steel parts |
| 11/26/1998 | WO1998053107A1 Method of manufacturing ejector pin sleeves |
| 11/26/1998 | WO1998027234A3 Helical spring with high volumetric efficiency and method for the production thereof |
| 11/26/1998 | CA2206108A1 Method of straightening annular metallic sheets |
| 11/25/1998 | EP0879897A1 Process for continuous annealing of metal substrates |
| 11/25/1998 | EP0879100A1 Process and device for reverse rolling metal strips |
| 11/25/1998 | CN2298261Y Single-cylinder hydraulic pusher |
| 11/25/1998 | CN1199779A Method for batch annealing of austenitic stainless steels |
| 11/25/1998 | CN1040901C Process for producing high-strength sucker rod |
| 11/24/1998 | US5840136 Temperature-raising bainite forming process |
| 11/19/1998 | WO1998052104A1 Method for stamping watch cases and resulting products |
| 11/19/1998 | WO1998051834A1 High-toughness spring steel |
| 11/19/1998 | WO1998051286A1 Use of an odorant for treating headaches |
| 11/19/1998 | DE19720061A1 Method for preparing rails for fish plate joints |
| 11/19/1998 | CA2290457A1 Use of an odorant for treating headaches |
| 11/18/1998 | EP0878555A1 Workpiece guiding device |
| 11/18/1998 | EP0877826A2 Skid mounted precision heat treat system |
| 11/18/1998 | EP0877824A1 Ready-to-use metal wire and method for producing same |
| 11/18/1998 | EP0687394B1 Improved process for manufacturing alternator pole piece |