A47J 31/043
Vacuum-type coffee-making apparatus with rising pipes in which hot water is passed
Official title: Vacuum-type coffee-making apparatus with rising pipes in which hot water is passed to the upper bowl in which the ground coffee is placed and subsequently the heat source is cut-off and the water is sucked through the filter by the vacuum in the lower bowl
A47J31/043 (Vacuum-type coffee-making apparatus with rising pipes in which hot water is passed) appears on 64 US grants and 59 published applications in this corpus.
Search patents in A47J- Granted patents
- 64
- Published applications
- 59
- Assignees
- 31
- Inventors
- 85
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 5 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 4 | 4 |
| 2017 | 3 | 2 |
| 2018 | 4 | 4 |
| 2019 | 2 | 7 |
| 2020 | 4 | 4 |
| 2021 | 1 | 3 |
| 2022 | 6 | 2 |
| 2023 | 2 | 5 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Temperature control for extracted beverages, including coffee, via controlled vacuum, and associated systems and methods28 Jul 2026US 12,690,710 B2Coffee Technologies Inc.
- Method of making infant formula and related devices24 Mar 2026US 12,582,259 B2
- Anti-deflection mocha pot12 Aug 2025US 12,383,092 B2
- Coffee holder10 Dec 2024US 12,161,254 B2
- Vacuum brewing method29 Oct 2024US 12,127,704 B2Bkon LLC
- Liquid and/or gas pressure vessel and method of use10 Sep 2026US 2026/0262869 A1
- System and method for vacuum extraction of brewed beverages24 Jul 2025US 2025/0235029 A1Bkon LLC
- Coffee Holder18 Apr 2024US 2024/0122399 A1
- Vacuum Brewed Beverage Machine and Vacuum Brewing Method15 Feb 2024US 2024/0049904 A1Bkon LLC
- Coffee Holder18 Jan 2024US 2024/0016332 A1
Most cited
By later US patents
- Siphon coffee maker74US 4,876,953 AKabushiki Kaisha Toshiba · 1989
- Coffee maker or like beverage making device53US 4,721,034 AKabushiki Kaisha Toshiba · 1988
- Liquid infusion process and method of brewing a beverage49US 8,586,117 B2Bkon LLC · 2013
- Device for preparing hot beverages and method for preparing hot beverages using the device44US 6,178,874 B2PI-Design AG · 2001
- Beverage preparing assemblies37US 5,309,820 A1994