H05B 6/666
Safety circuits
Official title: {Safety circuits (emergency protective circuits in general H02H)}
H05B6/666 (Safety circuits) appears on 285 US grants and 134 published applications in this corpus.
Search patents in H05B- Granted patents
- 285
- Published applications
- 134
- Assignees
- 105
- Inventors
- 437
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 17 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 1 |
| 2002 | 13 | 8 |
| 2003 | 4 | 5 |
| 2004 | 8 | 5 |
| 2005 | 6 | 7 |
| 2006 | 7 | 5 |
| 2007 | 4 | 3 |
| 2008 | 3 | 3 |
| 2009 | 2 | 8 |
| 2010 | 0 | 5 |
| 2011 | 6 | 5 |
| 2012 | 4 | 7 |
| 2013 | 2 | 5 |
| 2014 | 2 | 3 |
| 2015 | 6 | 3 |
| 2016 | 6 | 6 |
| 2017 | 4 | 4 |
| 2018 | 4 | 5 |
| 2019 | 5 | 6 |
| 2020 | 7 | 13 |
| 2021 | 7 | 7 |
| 2022 | 7 | 7 |
| 2023 | 9 | 4 |
| 2024 | 3 | 3 |
| 2025 | 6 | 6 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Disinfection system for wood barrels2 Jun 2026US 12,642,878 B2Cleanwood Technology S.L.
- Detecting spark-overs during a microwave treatment process of a domestic microwave appliance23 Dec 2025US 12,507,326 B2BSH Hausgeräte GmbH
- Operation of a domestic microwave appliance as a function of a microwave generator temperature21 Oct 2025US 12,452,968 B2BSH Hausgeräte GmbH
- Interrupting circuit for a radio frequency generator13 May 2025US 12,302,482 B2Whirlpool Corporation
- Disinfection system for wood barrels18 Mar 2025US 12,251,482 B2Cleanwood Technology S.L.
- 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.
- Systems and methods for controlling electric cooking apparatuses using sensors2 Oct 2025US 2025/0311068 A1
- Disinfection system for wood barrels29 May 2025US 2025/0170289 A1Cleanwood Technology S.L.
- Microwave appliances and protective door features15 May 2025US 2025/0159769 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Compact quick-cooking convectional oven133US 6,060,701 ATurbochef Technologies, Inc. · 2000
- System and method for regulating power output in a microwave oven92US 4,210,795 ALitton Systems, Inc. · 1980
- Cooking device with demonstration mode92US 5,932,130 ASanyo Electric Co., Ltd. · 1999
- Electromagnetic heating according to an efficiency of energy transfer85US 8,207,479 B2Goji Limited · 2012
- Power supplier for magnetron83US 4,076,996 AMatsushita Electric Industrial Co., Ltd. · 1978