A47J 37/12
Deep fat fryers
Official title: Deep fat fryers, e.g. for frying fish or chips
A47J37/12 (Deep fat fryers) appears on 1,429 US grants and 1,140 published applications in this corpus.
Search patents in A47J- Granted patents
- 1,429
- Published applications
- 1,140
- Assignees
- 551
- Inventors
- 2,249
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 10 | 0 |
| 1980 | 22 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 21 | 0 |
| 1985 | 26 | 0 |
| 1986 | 30 | 0 |
| 1987 | 25 | 0 |
| 1988 | 23 | 0 |
| 1989 | 31 | 0 |
| 1990 | 34 | 0 |
| 1991 | 26 | 0 |
| 1992 | 32 | 0 |
| 1993 | 31 | 0 |
| 1994 | 26 | 0 |
| 1995 | 32 | 0 |
| 1996 | 30 | 0 |
| 1997 | 24 | 0 |
| 1998 | 45 | 0 |
| 1999 | 40 | 0 |
| 2000 | 40 | 0 |
| 2001 | 36 | 5 |
| 2002 | 41 | 34 |
| 2003 | 23 | 37 |
| 2004 | 34 | 46 |
| 2005 | 26 | 51 |
| 2006 | 23 | 44 |
| 2007 | 9 | 31 |
| 2008 | 16 | 46 |
| 2009 | 9 | 35 |
| 2010 | 31 | 50 |
| 2011 | 23 | 32 |
| 2012 | 21 | 30 |
| 2013 | 25 | 46 |
| 2014 | 39 | 38 |
| 2015 | 29 | 43 |
| 2016 | 25 | 38 |
| 2017 | 33 | 53 |
| 2018 | 34 | 62 |
| 2019 | 49 | 74 |
| 2020 | 51 | 64 |
| 2021 | 46 | 57 |
| 2022 | 43 | 53 |
| 2023 | 41 | 44 |
| 2024 | 38 | 45 |
| 2025 | 32 | 43 |
| 2026 | 14 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47J 37/1266Control devices323
- A47J 37/1214The food being transported through an oil-bath236
- A47J 37/1276Constructional details223
- A47J 37/1223With means for filtering the frying liquid206
- A47J 37/1228Automatic machines for frying and dispensing metered amounts of food172
- A47J 37/1295Frying baskets or other food holders165
- A47J 37/1271Accessories155
- A47J 37/1242Heated with burners149
Recent patents
- Feeding device for intelligent cooking machine22 Sep 2026US 12,741,860 B2Shanghai Aican Robot (Group) Co., Ltd.
- Fried food preparation system8 Sep 2026US 12,727,713 B2Yindu Kitchen Equipment Co., Ltd.
- Automated food patty cooking apparatus1 Sep 2026US 12,721,473 B2Eat Robotics, Inc.
- Baffle and associated fryer heat exchange system and fryer11 Aug 2026US 12,702,254 B2Illinois Tool Works Inc.
- Convection deep fat fryer16 Jun 2026US 12,653,343 B2The Frymaster Corporation
- Fryer filter pump protection with multi-speed filtration and top off1 Oct 2026US 2026/0294169 A1The Frymaster Corporation
- Deep fryer and cooking equipment1 Oct 2026US 2026/0294170 A1Haohong Electric Technology (Hubei) Co., Ltd.
- Fryer and cooking apparatus1 Oct 2026US 2026/0294171 A1Haohong Electric Technology (Hubei) Co., Ltd.
- Fry basket24 Sep 2026US 2026/0283404 A1
- Stir-fry device for automatic cooking machine20 Aug 2026US 2026/0241351 A1Hestia Technology Limited
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
- Food preparation robot144US 4,922,435 ARestaurant Technology, Inc. · 1990
- Deep well cooker with dual heating elements134US 6,515,262 B12003
- Food cooking apparatus127US 6,269,737 B1Empire Comfort Systems, Inc. · 2001