| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/09/1999 | US5868456 Selectively heat treated side intrusion beams and method for making the same |
| 02/04/1999 | WO1999005336A1 Ultra-high strength, weldable, boron-containing steels with superior toughness |
| 02/04/1999 | WO1999005335A1 Ultra-high strength, weldable steels with excellent ultra-low temperature toughness |
| 02/04/1999 | WO1999005334A1 Ultra-high strength, weldable, essentially boron-free steels wit h superior toughness |
| 02/04/1999 | WO1999005328A1 Method for producing ultra-high strength, weldable steels with superior toughness |
| 02/04/1999 | WO1999005327A1 Laser hardening of screw forms |
| 02/04/1999 | DE19733135A1 Producing an article of two constituent components |
| 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 |
| 02/02/1999 | US5866064 Sealing apparatus for compartment inlet/outlet of atmosphere facility |
| 02/02/1999 | US5865385 Comminuting media comprising martensitic/austenitic steel containing retained work-transformable austenite |
| 02/02/1999 | US5865021 Coated roller chain pin |
| 01/27/1999 | EP0893192A1 Process for imparting residual compressive stresses to steel machine components |
| 01/27/1999 | CN1206453A Method and apparatus for containing and suppressing explosive |
| 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 | CA1340332C Process for producing optically active benzene-sulfonamide derivatives |
| 01/21/1999 | WO1999002748A1 Amorphous magnetostrictive alloy with low cobalt content and method for annealing 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 | EP0892079A1 Heat-resisting cast steel |
| 01/20/1999 | EP0721400B1 Method for improving railway wheels |
| 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 | CA2031361C Method and apparatus for surface austempering of cast iron parts |
| 01/13/1999 | EP0890808A1 Insulating of furnace rolls |
| 01/13/1999 | EP0890653A1 Process for manufacturing of articles from carburized or carbonitrided steel and steel for the manufacturing of said articles |
| 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 | US5858128 High chromium martensitic steel pipe having excellent pitting resistance and method of manufacturing |
| 01/07/1999 | EP0889139A1 Device for flushing cold drawn coiled pipes in a roller-hearth furnace |
| 01/07/1999 | DE19815483A1 Apparatus and method for surface hardening of steel balls for a ball bearing |
| 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 | US5855702 Method and apparatus for quenching workpieces |
| 01/05/1999 | US5855690 Method of evaporation removal of oily substances from metallic articles |
| 01/05/1999 | US5855531 Component parts of a toroidal-type continuously variable transmission having improved life |
| 01/05/1999 | US5855477 Belt conveyance baking furnace |
| 12/30/1998 | WO1998059083A1 Method for manufacturing high carbon sintered powder metal steel parts of high density |
| 12/30/1998 | EP0887551A2 Laser hardened reed valve |
| 12/30/1998 | EP0763177B1 Holder for workpieces with a non-ideal rigidity |
| 12/30/1998 | EP0720664B1 Method of treating at least one component made of weakly magnetic material |
| 12/30/1998 | CN1203691A Heat-treatment of glassy metal alloy for article surveillance system markers |
| 12/30/1998 | CA2294066A1 Method for manufacturing high carbon sintered powder metal steel parts of high density |
| 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 | US5853199 For use in a well bore |
| 12/29/1998 | CA2146107C Aluminized steel alloys containing chromium and method for producing same |
| 12/23/1998 | EP0885676A1 Method for influencing the chip flow behaviour on tool surfaces |
| 12/23/1998 | CN2301451Y Improved quenching cooling device |
| 12/23/1998 | CN1202527A Medium frequency quenching heat treatment technology for edge plate of shovel loader and output device of medium frequency quenching |
| 12/22/1998 | US5850866 Heat treatment of metal castings and in-furnace sand reclamation |
| 12/16/1998 | EP0884396A1 Method for manufacturing a railway wheel and railway wheel so obtained |
| 12/16/1998 | EP0883779A1 Method and apparatus for containing and suppressing explosive detonations |
| 12/16/1998 | CN1201991A Process for heat treatment, in magnetic field, of component made of soft magnetic material |
| 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 |
| 12/09/1998 | EP0883141A1 Heating process with magnetic field of a soft magnetic component |
| 12/09/1998 | EP0882809A2 Composition and process for preventing blistering during heat treating of aluminum alloys |
| 12/09/1998 | EP0882807A1 Heat resistant, nickel free constructional steel and process for making plate from it |
| 12/09/1998 | EP0882804A1 Method for heat treating rolled stock and device to achieve the method |
| 12/09/1998 | CN2299873Y Large internally heated vacuum annealing furnace |
| 12/09/1998 | CN1201419A Stainless steel surface claddings of continuous caster rolls |
| 12/08/1998 | US5846501 Process for the selective recovery of the salt constituents from used hardening shop salts which contain nitrite-nitrate |
| 12/08/1998 | US5846340 Process for preparing a heat treatment atmosphere and method for regulating said process |
| 12/03/1998 | WO1998054370A1 Method for manufacturing quenched thin-walled metal hollow casing by blow-moulding |
| 12/02/1998 | EP0881430A1 Radiant tube supporting apparatus |
| 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 | CN2299067Y I. C. Engine piston pin rare-earth gasification direct quenching appts. |
| 12/02/1998 | CN1200477A Means for supparting radiation tubes |
| 12/02/1998 | CN1200411A Steel for cold forming |
| 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 | US5843117 Implantable vascular and endoluminal stents and process of fabricating the same |
| 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 | WO1998053642A1 Induction oven for melting metals |
| 11/26/1998 | CA2206108A1 Method of straightening annular metallic sheets |
| 11/25/1998 | EP0879897A1 Process for continuous annealing of metal substrates |
| 11/25/1998 | CN2298260Y Heat treatment furnace for industry |
| 11/24/1998 | US5840136 Temperature-raising bainite forming process |
| 11/24/1998 | US5840131 Process for producing grain-oriented electrical steel sheet having excellent glass film and magnetic properties |
| 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 | DE19738976A1 Apparatus for thermal straightening of a metal component |
| 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 | CN2297452Y Non-ferrous metal bar tube tempering furnace |
| 11/17/1998 | US5837189 Quench management system |