A47J 31/545
Control or safety devices
Official title: {Control or safety devices}
A47J31/545 (Control or safety devices) appears on 138 US grants and 147 published applications in this corpus.
Search patents in A47J- Granted patents
- 138
- Published applications
- 147
- Assignees
- 96
- Inventors
- 326
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 2 |
| 2003 | 3 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 2 | 6 |
| 2007 | 1 | 6 |
| 2008 | 1 | 5 |
| 2009 | 2 | 4 |
| 2010 | 3 | 12 |
| 2011 | 3 | 3 |
| 2012 | 4 | 3 |
| 2013 | 6 | 6 |
| 2014 | 3 | 13 |
| 2015 | 2 | 7 |
| 2016 | 5 | 3 |
| 2017 | 6 | 5 |
| 2018 | 4 | 9 |
| 2019 | 9 | 9 |
| 2020 | 6 | 9 |
| 2021 | 6 | 5 |
| 2022 | 6 | 5 |
| 2023 | 5 | 7 |
| 2024 | 10 | 5 |
| 2025 | 4 | 8 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular brew systems11 Aug 2026US 12,702,248 B2Starbucks Corporation
- Coffee machine with dynamic flow and temperature control17 Mar 2026US 12,575,694 B2Nuli Coffee, Inc.
- Device for the preparation of a hot beverage21 Oct 2025US 12,446,724 B2Caffè A Mano GmbH
- Method and device for detecting the amount of limescale in liquid heating devices12 Aug 2025US 12,383,096 B2I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini
- System for tracking and displaying the position of a motor vehicle and of a control method for dispensing a hot fluid and device for dispensing a hot fluid27 May 2025US 12,310,527 B2Gb Progetti S.R.L.
- Coffee machine and method of coffee extraction with such a coffee machine13 Aug 2026US 2026/0232132 A1DE' LONGHI APPLIANCES S.r.l.
- Beverage-making machine25 Jun 2026US 2026/0174272 A1Hamilton Beach Brands, Inc.
- Beverage-making machine with vacuum break valve25 Jun 2026US 2026/0174274 A1Hamilton Beach Brands, Inc.
- Beverage machine and method for brewing beverage25 Jun 2026US 2026/0174276 A1Kalerm Technology (Suzhou) Co., Ltd
- Espresso machine with cold brew mode4 Jun 2026US 2026/0150995 A1Breville Pty Limited
Most cited
By later US patents
- Coffee making machines109US 5,549,035 ASimatelex Manufactory Co., Ltd. · 1996
- Portable beverage brewing device92US 5,440,972 A1995
- Coffee machine69US 5,738,001 AIllycaffe's S.P.A. · 1998
- Coffee brewing machine68US 5,186,096 AEstro S.r.l. · 1993
- System comprising a coffee machine and a portion capsule62US 8,307,754 B2Tchibo GmbH · 2012