A47J 27/00
Cooking-vessels
Official title: Cooking-vessels (A47J29/00 - A47J33/00 take precedence)
A47J27/00 (Cooking-vessels) appears on 3,192 US grants and 3,461 published applications in this corpus.
Search patents in A47J- Granted patents
- 3,192
- Published applications
- 3,461
- Assignees
- 1,342
- Inventors
- 6,236
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 40 | 0 |
| 1977 | 19 | 0 |
| 1978 | 19 | 0 |
| 1979 | 30 | 0 |
| 1980 | 16 | 0 |
| 1981 | 25 | 0 |
| 1982 | 32 | 0 |
| 1983 | 23 | 0 |
| 1984 | 33 | 0 |
| 1985 | 34 | 0 |
| 1986 | 35 | 0 |
| 1987 | 48 | 0 |
| 1988 | 49 | 0 |
| 1989 | 53 | 0 |
| 1990 | 42 | 0 |
| 1991 | 44 | 0 |
| 1992 | 48 | 0 |
| 1993 | 49 | 0 |
| 1994 | 55 | 0 |
| 1995 | 46 | 0 |
| 1996 | 42 | 0 |
| 1997 | 54 | 0 |
| 1998 | 58 | 0 |
| 1999 | 61 | 0 |
| 2000 | 77 | 0 |
| 2001 | 68 | 21 |
| 2002 | 62 | 48 |
| 2003 | 64 | 62 |
| 2004 | 49 | 81 |
| 2005 | 44 | 100 |
| 2006 | 42 | 70 |
| 2007 | 25 | 65 |
| 2008 | 21 | 81 |
| 2009 | 29 | 88 |
| 2010 | 38 | 87 |
| 2011 | 33 | 91 |
| 2012 | 42 | 84 |
| 2013 | 41 | 118 |
| 2014 | 74 | 144 |
| 2015 | 81 | 189 |
| 2016 | 70 | 186 |
| 2017 | 113 | 203 |
| 2018 | 109 | 211 |
| 2019 | 140 | 233 |
| 2020 | 179 | 265 |
| 2021 | 134 | 226 |
| 2022 | 144 | 195 |
| 2023 | 170 | 176 |
| 2024 | 179 | 178 |
| 2025 | 142 | 144 |
| 2026 | 67 | 115 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47J 27/004Cooking-vessels: with integral electrical heating means680
- A47J 27/04Cooking-vessels: for cooking food in steam648
- A47J 27/14Cooking-vessels for use in hotels, restaurants, or canteens592
- A47J 27/08Pressure-cookers505
- A47J 27/002Construction of cooking-vessels446
- A47J 27/21Water-boiling vessels398
- A47J 27/10Cooking-vessels with water-bath arrangements for domestic use162
- A47J 27/56Preventing boiling over152
Recent patents
- Cookware with copper bonded layer29 Sep 2026US 12,745,872 B2All-Clad Metalcrafters LLC
- Food cartridges and carriers for use in a cooking device29 Sep 2026US 12,745,873 B2Home Tech Innovation, Inc.
- Feeding device for intelligent cooking machine22 Sep 2026US 12,741,860 B2Shanghai Aican Robot (Group) Co., Ltd.
- Cooking device with enhanced thermal conductivity8 Sep 2026US 12,727,700 B2Tamurakoki Co., Ltd.
- Systems and methods for steam heating8 Sep 2026US 12,727,701 B2Electrolux Consumer Products, Inc.
- Flavoring mechanism for steam oven8 Oct 2026US 2026/0305656 A1
- Food processing device capable of food heating and self-cleaning and food processing method thereof8 Oct 2026US 2026/0305860 A1Yo-Kai Express Inc.
- Muffler for pressure cooker8 Oct 2026US 2026/0305861 A1Ib Appliances US Holdings, LLC
- Liquid heating appliances with liquid temperature monitoring8 Oct 2026US 2026/0305862 A1Strix Limited
- Lid for cooking appliance8 Oct 2026US 2026/0305869 A1Sunbeam Products, Inc.
Most cited
By later US patents
- Food preparation system and method206US 5,172,328 ARestaurant Technology, Inc. · 1992
- Food preparation system and method201US 5,132,914 ARestaurant Technology, Inc. · 1992
- Automatic food preparation device201US 5,363,746 A1994
- Combination convection steamer oven183US 5,619,983 AMiddleby Marshall Inc. · 1997
- Food steaming device179US 4,509,412 ARival Manufacturing Company · 1985