A47J 27/0804
Locking devices
Official title: {Locking devices}
A47J27/0804 (Locking devices) appears on 184 US grants and 186 published applications in this corpus.
Search patents in A47J- Granted patents
- 184
- Published applications
- 186
- Assignees
- 71
- Inventors
- 308
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 0 |
| 2003 | 5 | 5 |
| 2004 | 2 | 1 |
| 2005 | 1 | 8 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 3 | 2 |
| 2009 | 3 | 6 |
| 2010 | 3 | 0 |
| 2011 | 0 | 3 |
| 2012 | 2 | 6 |
| 2013 | 3 | 10 |
| 2014 | 9 | 10 |
| 2015 | 9 | 3 |
| 2016 | 3 | 7 |
| 2017 | 2 | 9 |
| 2018 | 3 | 8 |
| 2019 | 12 | 28 |
| 2020 | 16 | 16 |
| 2021 | 7 | 25 |
| 2022 | 15 | 6 |
| 2023 | 18 | 10 |
| 2024 | 11 | 9 |
| 2025 | 7 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pot cover assembly and cooking utensil8 Sep 2026US 12,727,702 B2Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd.
- Pressure cooker18 Aug 2026US 12,708,231 B2J.C. UNI-Tec, Inc.
- Cooking device and components thereof5 May 2026US 12,616,334 B2SharkNinja Operating LLC
- Pot lid assembly for pressure cooker and pressure cooker16 Dec 2025US 12,495,925 B2Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd.
- Cooking device7 Oct 2025US 12,433,441 B2Cuchen Co., Ltd
- Cooking device and components thereof23 Jul 2026US 2026/0207005 A1SharkNinja Operating LLC
- Upper lid and cooking appliance2 Jul 2026US 2026/0182767 A1Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd.
- Automatic door lock device and pressure steam oven21 May 2026US 2026/0137230 A1Guangdong Xinbao Electrical Appliances Holdings Co., Ltd.
- Cooking appliance and method for controlling cooking appliance12 Mar 2026US 2026/0069074 A1Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd.
- Food preparation vessel for a kitchen appliance and kitchen appliance18 Dec 2025US 2025/0382110 A1Vorwerk & Co. Interholding GmbH
Most cited
By later US patents
- Entirely uniformly heated responsive cooker143US 5,092,229 A1992
- Electric pressure cooker114US 5,839,357 ASamsung Electronics Co., Ltd. · 1998
- Pressure cooker107US 6,705,209 B22004
- Lid for vacuum cooking pot and cooking pot using same99US 9,271,595 B2HappyCall Co., Ltd. · 2016
- Low pressure cooker with pivoting latch handles98US 6,450,361 B12002