H05B 2206/04
Heating using microwaves
H05B2206/04 (Heating using microwaves) appears on 514 US grants and 503 published applications in this corpus.
Search patents in H05B- Granted patents
- 514
- Published applications
- 503
- Assignees
- 333
- Inventors
- 1,255
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 18 | 6 |
| 2002 | 11 | 16 |
| 2003 | 13 | 17 |
| 2004 | 11 | 25 |
| 2005 | 13 | 14 |
| 2006 | 18 | 11 |
| 2007 | 10 | 12 |
| 2008 | 5 | 16 |
| 2009 | 6 | 13 |
| 2010 | 2 | 19 |
| 2011 | 12 | 17 |
| 2012 | 12 | 29 |
| 2013 | 10 | 21 |
| 2014 | 13 | 16 |
| 2015 | 10 | 8 |
| 2016 | 14 | 27 |
| 2017 | 16 | 21 |
| 2018 | 10 | 24 |
| 2019 | 17 | 42 |
| 2020 | 20 | 33 |
| 2021 | 27 | 24 |
| 2022 | 20 | 28 |
| 2023 | 20 | 31 |
| 2024 | 20 | 11 |
| 2025 | 24 | 16 |
| 2026 | 11 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H05B 2206/046Microwave drying of wood, ink, food, ceramic, sintering of ceramic, clothes, hairIndexing code186
- H05B 2206/044Microwave heating devices provided with two or more magnetrons or microwave sourcesIndexing code147
- H05B 2206/045Microwave disinfection, sterilization, destruction of wasteIndexing code135
- H05B 2206/043Methods or circuits intended to extend the life of the magnetronIndexing code41
- H05B 2206/042Microwave oven combined with a toaster or including a toasterIndexing code25
Recent patents
- Method and device for controlling plants, pest and weed populations in frozen soil29 Sep 2026US 12,745,765 B2Winterleap AS
- Substrate processing apparatus, method of manufacturing semiconductor device, and recording medium25 Aug 2026US 12,720,650 B2Kokusai Electric Corporation
- Microwave with controlled beverage warming18 Aug 2026US 12,713,504 B2Midea Group Co., Ltd.
- Microwave waste heating system and related features21 Jul 2026US 12,690,098 B2A.L.M. Holding Company
- Microwave treatment device30 Jun 2026US 12,671,060 B2Muegge GmbH
- Microwave Oven13 Aug 2026US 2026/0239497 A1Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.
- Combination microwave and hood system23 Jul 2026US 2026/0214760 A1Whirlpool Corporation
- Microwave annealing apparatus and method2 Jul 2026US 2026/0190911 A1MEI LIN ENERGY TECHNOLOGY CO., Ltd.
- Aerosol generating device14 May 2026US 2026/0130439 A1Kt&G Corporation
- Dryer and controlling method thereof7 May 2026US 2026/0125840 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Apparatus and method for drying ink deposited by ink jet printing110US 5,631,685 AXerox Corporation · 1997
- Methods and apparatus for treating waste88US 6,630,113 B1Integrated Environmental Technologies, LLC · 2003
- Microwave polymerization system for dentistry86US 6,441,354 B12002
- Electromagnetic heating according to an efficiency of energy transfer85US 8,207,479 B2Goji Limited · 2012
- Drying apparatus and methods and accessories for use therewith84US 8,839,527 B2Goji Limited · 2014