H05B 6/662
Aspects related to the boost transformer of the microwave heating apparatus
Official title: {Aspects related to the boost transformer of the microwave heating apparatus}
H05B6/662 (Aspects related to the boost transformer of the microwave heating apparatus) appears on 37 US grants and 23 published applications in this corpus.
Search patents in H05B- Granted patents
- 37
- Published applications
- 23
- Assignees
- 32
- Inventors
- 92
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 3 | 7 |
| 2005 | 6 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 3 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- X-ray generator and X-ray apparatus25 Nov 2025US 12,484,136 B2Siemens Healthineers AG
- Solid state microwave heating apparatus and method with stacked dielectric resonator antenna array28 Apr 2020US 10,638,559 B2NXP USA, Inc.
- Modular microwave power supply4 Feb 2020US 10,555,384 B2Industrial Technology Research Institute
- Solid state microwave heating apparatus with dielectric resonator antenna array, and methods of operation and manufacture7 Jan 2020US 10,531,526 B2NXP USA, Inc.
- Microwave household or commercial appliance6 Aug 2019US 10,375,771 B2Electrolux Professional S. p. A.
- Driving Circuit For Magnetron, And Heating Device30 Oct 2025US 2025/0338367 A1Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.
- X-ray generator and x-ray apparatus4 Jul 2024US 2024/0224408 A1Siemens Healthcare GmbH
- Microwave heating device25 Jun 2020US 2020/0205242 A1Metal Industries Research & Development Centre
- Microwave oven including frozen food defrost mode and food drying function2 Jan 2020US 2020/0008274 A1Ina
- Solid state microwave heating apparatus with stacked dielectric resonator antenna array, and methods of operation and manufacture4 Jan 2018US 2018/0007745 A1Freescale Semiconductor, Inc.
Most cited
By later US patents
- Supply having a load invariant auxiliary power supply supplied from a main transformer and a current suppressing inductor38US 4,866,590 AHitachi, Ltd. · 1989
- Power supply for a microwave magnetron34US 3,973,165 ALitton Systems, Inc. · 1976
- Switching power supply20US 4,933,830 AHitachi, Ltd. · 1990
- Magnetron drive step-up transformer and transformer of magnetron drive power supply19US 6,449,178 B1Matsushita Electric Industrial Co., Ltd. · 2002
- a-c/d-c microwave oven18US 5,237,140 ASawafuji Electric Co., Ltd. · 1993