A47J 27/08
Pressure-cookers
Official title: Pressure-cookers; Lids or locking devices specially adapted therefor
A47J27/08 (Pressure-cookers) appears on 505 US grants and 475 published applications in this corpus.
Search patents in A47J- Granted patents
- 505
- Published applications
- 475
- Assignees
- 215
- Inventors
- 871
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 1 |
| 2002 | 6 | 3 |
| 2003 | 11 | 8 |
| 2004 | 7 | 9 |
| 2005 | 4 | 14 |
| 2006 | 2 | 8 |
| 2007 | 1 | 5 |
| 2008 | 4 | 10 |
| 2009 | 7 | 11 |
| 2010 | 9 | 6 |
| 2011 | 2 | 11 |
| 2012 | 6 | 15 |
| 2013 | 7 | 17 |
| 2014 | 17 | 19 |
| 2015 | 14 | 16 |
| 2016 | 8 | 22 |
| 2017 | 14 | 15 |
| 2018 | 11 | 23 |
| 2019 | 21 | 44 |
| 2020 | 32 | 46 |
| 2021 | 19 | 55 |
| 2022 | 22 | 23 |
| 2023 | 33 | 29 |
| 2024 | 35 | 35 |
| 2025 | 22 | 17 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47J 27/09Safety devices204
- A47J 27/0804Locking devices184
- A47J 27/0802Control mechanisms for pressure-cookers144
- A47J 27/086With built-in heating means100
- A47J 27/0817Large-capacity pressure cookers77
- A47J 27/088Adapted to high-frequency heating18
- A47J 27/082With inserts for cooking different foods separately at the same time6
- A47J 27/084With adjustable volume5
Recent patents
- Pot cover assembly and cooking utensil8 Sep 2026US 12,727,702 B2Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd.
- Electronic device and method for controlling same8 Sep 2026US 12,731,418 B2Samsung Electronics Co., Ltd.
- Unattended-cooking rice cooker device25 Aug 2026US 12,714,253 B2
- Pressure cooker18 Aug 2026US 12,708,231 B2J.C. UNI-Tec, Inc.
- Air fryer18 Aug 2026US 12,708,236 B2Versuni Holding B.V.
- Muffler for pressure cooker8 Oct 2026US 2026/0305861 A1Ib Appliances US Holdings, LLC
- Cooking device and associated method24 Sep 2026US 2026/0283401 A1
- Pressure valve for cooking apparatus17 Sep 2026US 2026/0272205 A1
- Inner container of rice cooking utensil and cooking utensil27 Aug 2026US 2026/0248314 A1Joyoung Company Limited
- Pod lid with vapour passage6 Aug 2026US 2026/0224068 A1Berghoff Worldwide
Most cited
By later US patents
- Entirely uniformly heated responsive cooker143US 5,092,229 A1992
- Automatic high energy saving cooker120US 6,283,014 B12001
- Pressure cooker115US 4,162,741 ANational Presto Industries, Inc. · 1979
- Pressure cooker with sensor115US 5,048,400 AMatsushita Electric Industrial Co., Ltd. · 1991
- Electric pressure cooker114US 5,839,357 ASamsung Electronics Co., Ltd. · 1998