H05B 2206/043
Methods or circuits intended to extend the life of the magnetron
H05B2206/043 (Methods or circuits intended to extend the life of the magnetron) appears on 41 US grants and 21 published applications in this corpus.
Search patents in H05B- Granted patents
- 41
- Published applications
- 21
- Assignees
- 34
- Inventors
- 92
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 5 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 3 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 3 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Heating cooking apparatus21 Oct 2025US 12,452,967 B2Sharp Kabushiki Kaisha
- Operation of a domestic microwave appliance as a function of a microwave generator temperature21 Oct 2025US 12,452,968 B2BSH Hausgeräte GmbH
- Method, device, and system for regulating temperature of magnetron, variable-frequency power supply, and microwave apparatus18 Jul 2023US 11,706,850 B2Shenzhen Megmeet Electrical Co., Ltd.
- Method, device, and system for regulating temperature of magnetron, variable-frequency power supply, and microwave apparatus4 Jul 2023US 11,696,376 B2Shenzhen Megmeet Electrical Co., Ltd.
- Magnetron filter board for microwave oven21 Mar 2023US 11,612,022 B2Rockwell Collins, Inc.
- Driving Circuit For Magnetron, And Heating Device30 Oct 2025US 2025/0338367 A1Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.
- Heating cooking apparatus24 Aug 2023US 2023/0269839 A1Sharp Kabushiki Kaisha
- Magnetron condition monitoring24 Nov 2022US 2022/0375709 A1Elekta Limited
- Operation of a domestic microwave appliance as a function of a microwave generator temperature18 Aug 2022US 2022/0264708 A1BSH Hausgeräte GmbH
- Method, device, and system for regulating temperature of magnetron, variable-frequency power supply, and microwave apparatus6 Aug 2020US 2020/0253006 A1Shenzhen Megmeet Electrical Co., Ltd.
Most cited
By later US patents
- Power supplier for magnetron83US 4,076,996 AMatsushita Electric Industrial Co., Ltd. · 1978
- Switching power supply40US 4,777,575 AHitachi Device Eng. Co., Ltd. · 1988
- System for sensing the presence of a load in an oven cavity of a microwave cooking appliance35US 6,867,402 B1Maytag Corporation · 2005
- Power supply for a microwave magnetron34US 3,973,165 ALitton Systems, Inc. · 1976
- High frequency heating apparatus26US 5,274,208 AKabushiki Kaisha Toshiba · 1993