F27D 2099/0015
Induction heating
Official title: {Induction heating}
F27D2099/0015 (Induction heating) appears on 85 US grants and 76 published applications in this corpus.
Search patents in F27D- Granted patents
- 85
- Published applications
- 76
- Assignees
- 80
- Inventors
- 268
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 8 | 7 |
| 2003 | 6 | 4 |
| 2004 | 4 | 2 |
| 2005 | 3 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 4 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 0 |
| 2013 | 0 | 5 |
| 2014 | 2 | 3 |
| 2015 | 2 | 6 |
| 2016 | 4 | 4 |
| 2017 | 3 | 2 |
| 2018 | 2 | 6 |
| 2019 | 3 | 1 |
| 2020 | 1 | 1 |
| 2021 | 3 | 4 |
| 2022 | 1 | 1 |
| 2023 | 1 | 4 |
| 2024 | 1 | 2 |
| 2025 | 2 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrically decoupled high-temperature thermal insulation30 Jun 2026US 12,669,288 B2Sgl Carbon SE
- External combustion air preheat17 Feb 2026US 12,553,669 B2Lummus Technology Inc.
- Iron (DRI) between a DRI source and processing equipment for the DRI23 Sep 2025US 12,421,564 B2Midrex Technologies, Inc.
- Apparatus and methods for sintering25 Mar 2025US 12,257,629 B2Tundra Compoistes, LLC
- Method and system for heating direct reduced iron (DRI) between a DRI source and processing equipment for the DRI23 Apr 2024US 11,965,221 B2Midrex Technologies, Inc.
- Method for operating an annealing furnace13 Aug 2026US 2026/0235362 A1SMS group GmbH
- Efficient induction heating tube furnace16 Apr 2026US 2026/0104206 A1
- Improved operation of an induction furnace12 Feb 2026US 2026/0043610 A1Abp Induction Systems GmbH
- Heater for single crystal furnace and single crystal furnace22 Jan 2026US 2026/0022491 A1Longi Green Energy Technology Co., Ltd.
- Induction heating device for metal plate, processing equipment for metal plate, and induction heating method of metal plate15 Jan 2026US 2026/0016227 A1Nippon Steel Corporation
Most cited
By later US patents
- Method and system for injection of a vaporizable material into a molten bath112US 5,679,132 AMolten Metal Technology, Inc. · 1997
- Optical fiber draw furnace68US 5,410,567 ACorning Incorporated · 1995
- Method and apparatus for continuous casting and hot-rolling32US 5,461,770 AHitachi, Ltd. · 1995
- Vacuum and gas tight enclosure for induction heating system23US 6,693,264 B2Celes · 2004
- Induction heating apparatus with PWM multiple zone heating control22US 5,349,167 AIndecctotherm Europe Limited · 1994