Class C21D : MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
Subclass 1/40: General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (furnaces in general F27; electric heating H05B) Methods of heating (C21D 1/06 takes precedence) Direct resistance heating
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12241139 | Method for manufacturing an austenitic steel component and use of the component | Nov 09, 16 | Mar 04, 25 | OUTOKUMPU OYJ |
| 12109603 | Electrical heating apparatus | Aug 28, 20 | Oct 08, 24 | Sumitomo Heavy Industries Ltd. |
| 12048070 | Direct resistance heating apparatus, direct resistance heating method, heating apparatus, heating method, and hot-press molding method | Sep 07, 18 | Jul 23, 24 | Neturen Co. Ltd. |
| 11993822 | Monocrystalline metal foil and manufacturing method therefor | Dec 13, 18 | May 28, 24 | Institute for Basic Science; UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY); |
| 11904373 | Modification of a deep-drawing sheet blank for electric resistance heating | Mar 09, 21 | Feb 20, 24 | ZAPADOCESKA UNIVERZITA V PLZNI |
| 11801542 | Micro control device for simulating electric thermal field change of plate/strip | Mar 23, 21 | Oct 31, 23 | Yanshan University |
| 11788165 | Hot-band annealing equipment, hot-band annealing method and descaling method for Si-containing hot rolled steel sheet | Oct 20, 21 | Oct 17, 23 | JFE Steel Corporation |
| 11338550 | Hot-stamped body | Mar 20, 18 | May 24, 22 | 501 Nippon Steel Corporation |
| 11339453 | Apparatus for heating steel sheet | Mar 06, 20 | May 24, 22 | Hyundai Motor Company; Kia Motors Corporation; |
| 11285698 | Hot-stamped body | Mar 20, 18 | Mar 29, 22 | 501 Nippon Steel Corporation |
| 11066714 | Batch furnace for annealing material and method for heat treatment | Aug 09, 17 | Jul 20, 21 | Gautschi Engineering GmbH |
| 11044788 | Heat treatment of helical springs or similarly shaped articles by electric resistance heating | Nov 05, 17 | Jun 22, 21 | Radyne Corporation |
| 11021770 | Method for the heat treatment of a steel reinforcement element for tires | Feb 19, 15 | Jun 01, 21 | Compagnie Generale des Etablissements Michelin |
| 10954575 | Device and method for tempering sections of metal components | Jul 28, 16 | Mar 23, 21 | Benteler Automobiltechnik GmbH |
| 10829843 | Method for producing aluminum wire | Jun 04, 15 | Nov 10, 20 | Autonetworks Technologies Ltd.; Sumitomo Wiring Systems LTD; Sumitomo Electric Industries Ltd.; |
| 10793933 | Method of heat treatment | Dec 19, 17 | Oct 06, 20 | Rolls Royce plc |
| 10730098 | Method of manufacturing rolling bearing ring | Aug 23, 16 | Aug 04, 20 | NTN Corporation |
| 10682694 | Feedback-assisted rapid discharge heating and forming of metallic glasses | Jan 13, 17 | Jun 16, 20 | Glassimetal Technology Inc.; Apple Inc.; |
| 10669601 | Highly alloyed stainless steel forgings made without solution anneal | Dec 07, 16 | Jun 02, 20 | Swagelok Company |
| 10638544 | Heating method, heating apparatus and method of manufacturing press-molded article | Jun 22, 15 | Apr 28, 20 | Neturen Co. Ltd. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0263,262 | MONOCRYSTALLINE METAL FOIL AND MANUFACTURING METHOD THEREFOR | Apr 19, 24 | Aug 08, 24 | Not available |
| 2024/0183,010 | WIREDRAWN PRODUCT AND METHOD FOR MANUFACTURING WIREDRAWN PRODUCT | Apr 14, 22 | Jun 06, 24 | Not available |
| 2020/0392,599 | METHOD FOR HEATING STEEL PLATE AND METHOD FOR MANUFACTURING HOT-PRESSED PRODUCT | Jan 15, 19 | Dec 17, 20 | Neturen Co. Ltd. |
| 2018/0237,872 | DEVICE AND METHOD FOR TEMPERING SECTIONS OF METAL COMPONENTS | Jul 28, 16 | Aug 23, 18 | Not available |
| 2018/0015,522 | HIGH-SPEED HOT FORMING AND DIRECT QUENCHING | Jun 20, 17 | Jan 18, 18 | Imam Khomeini International University |
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