A47J 27/21008
Electrically heated
Official title: {electrically heated}
A47J27/21008 (Electrically heated) appears on 250 US grants and 288 published applications in this corpus.
Search patents in A47J- Granted patents
- 250
- Published applications
- 288
- Assignees
- 140
- Inventors
- 549
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 11 | 4 |
| 2003 | 3 | 6 |
| 2004 | 6 | 7 |
| 2005 | 4 | 9 |
| 2006 | 8 | 5 |
| 2007 | 2 | 6 |
| 2008 | 3 | 7 |
| 2009 | 1 | 13 |
| 2010 | 6 | 8 |
| 2011 | 2 | 11 |
| 2012 | 4 | 6 |
| 2013 | 5 | 7 |
| 2014 | 5 | 10 |
| 2015 | 2 | 12 |
| 2016 | 5 | 24 |
| 2017 | 11 | 10 |
| 2018 | 10 | 16 |
| 2019 | 11 | 4 |
| 2020 | 9 | 30 |
| 2021 | 7 | 20 |
| 2022 | 11 | 26 |
| 2023 | 16 | 18 |
| 2024 | 21 | 11 |
| 2025 | 14 | 8 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47J 27/21058Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling123
- A47J 27/2105Of the cordless type, i.e. whereby the water vessel can be plugged96
- A47J 27/21041With heating elements arranged outside the water vessel57
- A47J 27/21016With heating elements immersed in the water24
- A47J 27/21158Devices to detect overheating or boiling with a single control element or11
Recent patents
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- Appliance coupler water pumping apparatus1 Sep 2026US 12,721,465 B2Beijing Left Tree Technology Co.LTD
- Wireless power transmission device and control method thereof28 Jul 2026US 12,695,334 B2Samsung Electronics Co., Ltd.
- Electric kettle9 Jun 2026US 12,648,664 B2LG Electronics Inc.
- Liquid heating appliances with liquid temperature monitoring8 Oct 2026US 2026/0305862 A1Strix Limited
- Control assemblies for cordless liquid heating apparatuses24 Sep 2026US 2026/0291155 A1Strix Limited
- An electric kettle and a method of assembly13 Aug 2026US 2026/0232129 A1Aarke AB
- Base unit for a food processor and interchangeable accessory container13 Aug 2026US 2026/0232140 A1
- Thermally sensitive control6 Aug 2026US 2026/0224062 A1Strix Limited
Most cited
By later US patents
- Heated or cooled dishware and drinkware169US 9,035,222 B2Oromo Technologies, Inc. · 2015
- Sous-vide cooker93US 9,220,362 B2Eades Appliance Technology, LLC · 2015
- Cooking apparatus employing centrally located heat source87US 7,166,822 B12007
- Heated or cooled dishware and drinkware82US 9,814,331 B2Ember Technologies, Inc. · 2017
- Heating device for a kettle79US 9,706,871 B2Studio Cq (Guangzhou) Ltd · 2017