H05B 6/642
Cooling of the microwave components and related air circulation systems
Official title: {Cooling of the microwave components and related air circulation systems (H05B6/6473 takes precedence)}
H05B6/642 (Cooling of the microwave components and related air circulation systems) appears on 379 US grants and 336 published applications in this corpus.
Search patents in H05B- Granted patents
- 379
- Published applications
- 336
- Assignees
- 94
- Inventors
- 678
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 2 |
| 2002 | 9 | 9 |
| 2003 | 4 | 8 |
| 2004 | 10 | 18 |
| 2005 | 17 | 11 |
| 2006 | 12 | 14 |
| 2007 | 6 | 9 |
| 2008 | 6 | 19 |
| 2009 | 8 | 4 |
| 2010 | 8 | 7 |
| 2011 | 8 | 9 |
| 2012 | 5 | 10 |
| 2013 | 10 | 8 |
| 2014 | 5 | 5 |
| 2015 | 5 | 16 |
| 2016 | 3 | 17 |
| 2017 | 7 | 9 |
| 2018 | 18 | 10 |
| 2019 | 8 | 9 |
| 2020 | 14 | 19 |
| 2021 | 12 | 16 |
| 2022 | 8 | 24 |
| 2023 | 12 | 25 |
| 2024 | 15 | 14 |
| 2025 | 17 | 24 |
| 2026 | 21 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heating cooking apparatus6 Oct 2026US 12,753,926 B2Sharp Kabushiki Kaisha
- Cooking device29 Sep 2026US 12,750,928 B2Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.
- Hoods for extracting cooking fumes, comprising first and second suction units18 Aug 2026US 12,710,181 B2Elica S.P.A.
- Pull-out heating cooking apparatus18 Aug 2026US 12,713,503 B2Sharp Kabushiki Kaisha
- Cooking apparatus28 Jul 2026US 12,696,360 B2Samsung Electronics Co., Ltd.
- Cooking appliance1 Oct 2026US 2026/0304567 A1Guangdong Galanz Appliances Manufacturing Co., Ltd
- Door cooling system in microwave oven1 Oct 2026US 2026/0304569 A1Whirlpool Corporation
- Cooking appliance17 Sep 2026US 2026/0282177 A1Guangdong Galanz Appliances Manufacturing Co., Ltd
- Device17 Sep 2026US 2026/0282180 A1Sharp Kabushiki Kaisha
- Cooking appliance and control method thereof17 Sep 2026US 2026/0282184 A1LG Electronics Inc.
Most cited
By later US patents
- Ventilation system for combination microwave oven and exhaust vent100US 4,327,274 AGeneral Electric Company · 1982
- Microwave oven with enclosed choke printed circuit board99US 5,869,818 ASamsung Electronics Co., Ltd. · 1999
- Over-the-range microwave oven and method of using the same93US 9,900,936 B2Dongbu Daewoo Electronics Corporation · 2018
- Cooking oven with energy saving mode and method84US 8,709,905 B2Manitowoc Foodservice UK Limited · 2014
- Microwave oven sensing system76US 4,162,381 ALitton Systems, Inc. · 1979