| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/02/1999 | CA2198104C Dual-purpose guide and drum cleaner for steckel mill coiler furnace |
| 10/28/1999 | WO1999054513A1 Method and apparatus for straightening turbine casings |
| 10/27/1999 | EP0889762B1 Method for producing hot-rolled steel strip |
| 10/27/1999 | EP0733128B1 Steel alloy, steel strip made of the alloy, and use of the steel strip |
| 10/26/1999 | US5972135 Stress relieved grinding rod having hard outer shell |
| 10/26/1999 | US5972134 Selectively adjusting ductility/strength in areas of steel plate by quick heating areas prior to molding into automobile structural beam; simplification |
| 10/26/1999 | US5972128 Cast iron and piston ring |
| 10/26/1999 | US5970594 Method to roll strip and plate and rolling line which performs such method |
| 10/21/1999 | DE19817091A1 Laser treatment of inner surfaces of workpieces |
| 10/21/1999 | DE19815022A1 Ziehteile aus Federstahlblech, insbesondere als Leichtbau- oder Karosserieteil Drawn parts made of spring steel, in particular as lightweight or body part |
| 10/20/1999 | EP0950461A2 Process and device for laser machining of an internal surface |
| 10/20/1999 | EP0950120A1 Process for the treatment of grain oriented silicon steel |
| 10/20/1999 | EP0950119A1 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
| 10/20/1999 | EP0950118A1 Process for the production of grain oriented silicon steel sheet |
| 10/20/1999 | EP0610460B1 Rail thermal treatment process |
| 10/20/1999 | CN1232089A Railway elastic strip of low alloy steel and its heat treatment method |
| 10/19/1999 | US5969229 Lead wire for sensor |
| 10/19/1999 | US5968661 Steel sheet for heat-shrink band |
| 10/19/1999 | US5968394 Constant current needle annealing |
| 10/19/1999 | US5968293 Induction heat treating and restraint quenching, cooling along a conveyor and straightening through a series of rollers which are vertically or horizontally adjustable perpendicular to the direction of conveyor travel |
| 10/19/1999 | CA2159164C Reheating, maintenance and storage furnace for iron and steel products |
| 10/14/1999 | WO1999051786A1 A direct-heated furnace and a method of reheating steel semis |
| 10/14/1999 | WO1999051376A1 Deep-drawn parts made of spring sheet steel which are especially used as a lightweight structural member or a vehicle body part, and a method for the production thereof |
| 10/14/1999 | WO1999051368A1 Method for rolling a metal strip |
| 10/14/1999 | CA2327106A1 Method for rolling a metal strip |
| 10/13/1999 | EP0949348A1 Process for controlled cooling of aluminium alloy strips and profiles |
| 10/13/1999 | CN1231703A Process for the production of grain oriented electrical steel strip starting from thin slabs |
| 10/13/1999 | CN1231345A Method for making Fe-Ni alloy used in electron gun parts |
| 10/13/1999 | CN1045623C Bluing and low-carbon martensite heat treatment method for high strength building steel bar |
| 10/12/1999 | US5964398 Vane member and method for producing joint |
| 10/12/1999 | US5964272 Wheel cooling tunnel |
| 10/12/1999 | US5964114 In a continuously traveling workpiece |
| 10/07/1999 | WO1999050464A1 Continuous heat treating furnace and atmosphere control method and cooling method in continuous heat treating furnace |
| 10/07/1999 | DE19815032A1 Walzverfahren für ein Metallband Process for leveling a metal strip |
| 10/07/1999 | DE19811203C1 Verfahren zum Säubern und Wärmebehandeln chirurgischer Nadeln Procedures for cleaning and heat treating surgical needles |
| 10/07/1999 | CA2607124A1 Continuous heat treating furnace and atmosphere control method and cooling method in continuous heat treating furnace |
| 10/06/1999 | EP0946763A1 High strength deep drawing steel developed by reaction with ammonia |
| 10/06/1999 | CN1231001A Method for manufacturing high magnetic flux density grain oriented electrical steel sheet based on low temperature slab heating method |
| 10/06/1999 | CN1230599A Bainite steel plate spring for vehicle and its heat treatment |
| 10/05/1999 | US5961751 This invention relates to a surface processing method for a steel member accompanied with local melting of the surface of the steel member and to a surface processed steel member having a locally melted and solidified surface layer. |
| 10/05/1999 | US5961322 Water cooled inner cover for annealing furnace |
| 10/05/1999 | US5960663 Method and means of temperature control |
| 09/30/1999 | WO1999049088A1 Fluidized-bed treatment process and apparatus |
| 09/29/1999 | EP0945521A1 A continuous process for obtaining metal wires and a plant for actuation of the process |
| 09/29/1999 | CN1230332A Induction heaters to improve transitions in continuous heating systems, and method |
| 09/29/1999 | CN1230229A Method and device for temper-hardening flat metal products |
| 09/28/1999 | US5960250 Bearing material |
| 09/28/1999 | US5958330 Double level aging oven |
| 09/28/1999 | US5957684 Heating method and apparatus |
| 09/28/1999 | US5957004 Cam disk and method for producing a cam disk |
| 09/23/1999 | WO1999047713A1 Rotatable joint for a liquid quenching drum |
| 09/23/1999 | WO1999047290A1 Rolling die and method of treating surface of rolling die |
| 09/23/1999 | WO1999047288A1 Thread rolling die and surface treatment method for thread rolling dies |
| 09/22/1999 | EP0943697A1 High-toughness spring steel |
| 09/22/1999 | EP0943694A1 A method for the manufacture of components made of steel |
| 09/22/1999 | EP0942792A2 Device for cooling extruded profiles |
| 09/22/1999 | CN1229146A Process for producing Fe-Ni alloys used for electron gun parts |
| 09/22/1999 | CN1229013A Method for manufacture of components made of steel |
| 09/22/1999 | CN1045214C Method and apparatus for heat-treating profiled rolling stock |
| 09/21/1999 | US5955208 Slicing a veneer composed of a base steel and an edge steel brazed to the base steel, wherein said base steel is formed of ferritic stainless steel |
| 09/21/1999 | US5953969 Screwdriver, screwdriver bit or the like |
| 09/21/1999 | CA2135510C Conductor roll |
| 09/16/1999 | WO1999045850A1 Process for the cleaning and heat treatment of surgical needles |
| 09/16/1999 | DE19908407A1 High strength valve spring, especially for an automobile engine |
| 09/16/1999 | DE19811216A1 Re-melt hardening of curved surfaces such as cam disks and camshafts |
| 09/16/1999 | DE19810215A1 Kühlschacht für einen Rollgang Cooling shaft for a roller table |
| 09/15/1999 | EP0942069A1 Cooling chamber for a roller conveyor |
| 09/15/1999 | EP0941372A1 Oxidation-resistant metal foil, its use and method for its production |
| 09/15/1999 | EP0813613B1 Method for making steel wires and shaped wires, and use thereof in flexible ducts |
| 09/15/1999 | EP0745007B1 Method for manufacturing a cold rolled steel sheet with excellent enamel adherence |
| 09/15/1999 | CN2338349Y High frequency contaction induction liquid-embedding type gear wheel quenching machine |
| 09/15/1999 | CN1228817A Process for production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slab |
| 09/14/1999 | US5951944 Coil springs, flat springs and torsion bars |
| 09/14/1999 | US5951789 Excellent in cold workability, inexpensive on account of relatively low nickel content, and suitable for use as exhaust valves of automotive engines |
| 09/14/1999 | US5950310 Wear resistance |
| 09/14/1999 | CA2047471C Method for connection of railway point components consisting of cast hard manganese steel or manganese steel or manganese steel rails to a rail made from carbon steel |
| 09/10/1999 | WO1999045157A1 Device for hardening cylindrical bearing points of a shaft |
| 09/09/1999 | DE19904792A1 Stretched mask for a color picture tube, e.g. a shadow mask tube or an aperture grille tube, in color television and computer color displays |
| 09/09/1999 | DE19809367A1 Precision machining method for i.c. engine piston sleeve |
| 09/09/1999 | DE19808276A1 New chromium-molybdenum-nitrogen alloy steel for sliding elements of sports equipment especially skis and ski-boards |
| 09/08/1999 | EP0940682A1 Roller bearing unit with rotation speed detection instrument for use in cars and method for working the outer race of this bearing unit |
| 09/08/1999 | EP0767867B1 Turbine vane flow area restoration method |
| 09/08/1999 | CN1228128A Coated seizure-hardening type cold-rolled steel sheet having excellent aging resistance and method of production thereof |
| 09/08/1999 | CN1227876A Technique for increasing service life of carburizing gear |
| 09/07/1999 | US5948182 Low cost, high temperature resistant steel comprising iron, carbon, silicon, manganese, nickel, chromium, titanium, aluminum; bolts, turbines, engines, heaters, nuclear reactors |
| 09/07/1999 | US5948177 Collet metal treating process |
| 09/07/1999 | US5947182 System for producing continuously metallic coil |
| 09/07/1999 | CA2151951C Cold rolled steel sheet having excellent machinability and production method therof |
| 09/07/1999 | CA2138801C Thin steel sheet having excellent stretch-flange ability and process for producing the same |
| 09/03/1999 | WO1999049094A1 Stainless steel |
| 09/02/1999 | WO1999043451A1 Installation for making cold-rolled stainless steel bands |
| 09/02/1999 | CA2320942A1 Installation for making cold-rolled stainless steel bands |
| 09/01/1999 | EP0939137A1 Method for preventing adhesion of sheet metal surfaces during heat treatment |
| 09/01/1999 | EP0883696B1 Bake hardenable vanadium containing steel |
| 09/01/1999 | CN1227267A Heat treatment technology for 42 Cr-Mo crankshaft |
| 09/01/1999 | CN1044946C An inner-shield material to be attached inside a color cathode ray tube and manufacturing method thereof |
| 08/31/1999 | US5944921 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles |
| 08/31/1999 | US5944918 Aircraft; applying phenolic resin, curing |
| 08/31/1999 | US5944644 Roll of winding equipment in rolling factory |
| 08/31/1999 | US5943782 Method for hardening selected regions of a guide bar for chain saws, and guide bar produced thereby |