H05B 6/66
Circuits
H05B6/66 (Circuits) appears on 1,299 US grants and 1,228 published applications in this corpus.
Search patents in H05B- Granted patents
- 1,299
- Published applications
- 1,228
- Assignees
- 442
- Inventors
- 2,250
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 16 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 11 | 0 |
| 1983 | 10 | 0 |
| 1984 | 16 | 0 |
| 1985 | 15 | 0 |
| 1986 | 14 | 0 |
| 1987 | 12 | 0 |
| 1988 | 11 | 0 |
| 1989 | 28 | 0 |
| 1990 | 22 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 21 | 0 |
| 1994 | 21 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 20 | 0 |
| 1999 | 21 | 0 |
| 2000 | 28 | 0 |
| 2001 | 24 | 9 |
| 2002 | 36 | 23 |
| 2003 | 18 | 29 |
| 2004 | 19 | 45 |
| 2005 | 28 | 18 |
| 2006 | 24 | 12 |
| 2007 | 14 | 14 |
| 2008 | 8 | 40 |
| 2009 | 12 | 39 |
| 2010 | 5 | 28 |
| 2011 | 11 | 22 |
| 2012 | 21 | 39 |
| 2013 | 22 | 58 |
| 2014 | 26 | 29 |
| 2015 | 33 | 48 |
| 2016 | 50 | 59 |
| 2017 | 37 | 58 |
| 2018 | 30 | 73 |
| 2019 | 58 | 133 |
| 2020 | 77 | 103 |
| 2021 | 83 | 78 |
| 2022 | 69 | 76 |
| 2023 | 78 | 57 |
| 2024 | 46 | 52 |
| 2025 | 59 | 52 |
| 2026 | 25 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H05B 6/68For monitoring or control906
- H05B 6/666Safety circuits285
- H05B 6/664Aspects related to the power supply of the microwave heating apparatus76
- H05B 6/668Microwave heating devices connected to a telecommunication network64
- H05B 6/662Aspects related to the boost transformer of the microwave heating apparatus37
Recent patents
- Heating cooking apparatus6 Oct 2026US 12,753,926 B2Sharp Kabushiki Kaisha
- Apparatus and method to control electromagnetic heating of ceramic materials6 Oct 2026US 12,757,298 B2The United States of America as represented by the Secretary of the Air Force
- Cooking device29 Sep 2026US 12,750,928 B2Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.
- Microwave with controlled beverage warming18 Aug 2026US 12,713,504 B2Midea Group Co., Ltd.
- Thawing-apparatus and method to thaw a substance4 Aug 2026US 12,696,907 B2Gea Food Solutions Bakel B.V.
- Cooking appliance, control method and device thereof, electronic device and computer-readable storage medium24 Sep 2026US 2026/0292945 A1Guangdong Midea Kitchen 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.
- Zero cross detection circuit for phase measurement10 Sep 2026US 2026/0271144 A1Haier US Appliance Solutions, Inc.
- Returned power for microwave applications3 Sep 2026US 2026/0262144 A1MicroCube, LLC
Most cited
By later US patents
- Communications module mounting for domestic appliance446US 6,359,270 B1NCR Corporation · 2002
- Apparatuses, systems and methods for three-dimensional printing262US 9,254,535 B2Velo3D, Inc. · 2016
- Apparatuses, systems and methods for three-dimensional printing197US 9,346,127 B2Velo3D, Inc. · 2016
- Variable frequency microwave heating apparatus191US 5,961,871 ALockheed Martin Energy Research Corporation · 1999
- Apparatuses, systems and methods for three-dimensional printing187US 9,573,193 B2Velo3D, Inc. · 2017