H05B 6/681
Circuits comprising an inverter, a boost transformer and a magnetron
Official title: {Circuits comprising an inverter, a boost transformer and a magnetron}
H05B6/681 (Circuits comprising an inverter, a boost transformer and a magnetron) appears on 129 US grants and 104 published applications in this corpus.
Search patents in H05B- Granted patents
- 129
- Published applications
- 104
- Assignees
- 62
- Inventors
- 241
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 0 | 9 |
| 2010 | 0 | 6 |
| 2011 | 0 | 0 |
| 2012 | 7 | 6 |
| 2013 | 2 | 6 |
| 2014 | 4 | 0 |
| 2015 | 1 | 0 |
| 2016 | 4 | 6 |
| 2017 | 2 | 1 |
| 2018 | 3 | 7 |
| 2019 | 7 | 17 |
| 2020 | 1 | 15 |
| 2021 | 9 | 7 |
| 2022 | 10 | 3 |
| 2023 | 11 | 2 |
| 2024 | 3 | 1 |
| 2025 | 3 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Microwave cooking apparatus, control method and storage medium24 Mar 2026US 12,588,116 B2Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.
- Calibration method for infrared sensor on microwave appliance sous vide system10 Feb 2026US 12,550,234 B2Haier US Appliance Solutions, Inc.
- Sous vide assembly for use in a microwave oven30 Dec 2025US 12,513,789 B2Haier US Appliance Solutions, Inc.
- Microwave cooking appliance with adaptive thermal sensing cycle26 Aug 2025US 12,402,217 B2Midea Group Co., Ltd.
- Interrupting circuit for a radio frequency generator13 May 2025US 12,302,482 B2Whirlpool Corporation
- Zero cross detection circuit for phase measurement10 Sep 2026US 2026/0271144 A1Haier US Appliance Solutions, Inc.
- Driving Circuit For Magnetron, And Heating Device30 Oct 2025US 2025/0338367 A1Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.
- Variable-Frequency Driving Circuit and Cooking Apparatus9 Oct 2025US 2025/0318023 A1Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.
- Cooking accessory including a sensor for use in a microwave oven20 Mar 2025US 2025/0098041 A1Haier US Appliance Solutions, Inc.
- System and embodiment for an energy-efficient and effective cloth dryer27 Feb 2025US 2025/0066986 A1Radinsight Consulting & Trading Co.
Most cited
By later US patents
- Tubular microwave applicator129US 5,834,744 AThe Rubbright Group, Inc. · 1998
- Microwave output stabilizing apparatus of a microwave oven and a method thereof90US 5,451,750 ASamsung Electronics Co., Ltd. · 1995
- High frequency heating system with changing function for rated consumption power60US 4,900,885 AKabushiki Kaisha Toshiba · 1990
- Use of continuously variable power in microwave assisted chemistry46US 6,288,379 B1CEM Corporation · 2001
- Magnetron with microprocessor power control45US 4,825,028 AGeneral Electric Company · 1989