A47J 31/60
Cleaning devices
A47J31/60 (Cleaning devices) appears on 472 US grants and 629 published applications in this corpus.
Search patents in A47J- Granted patents
- 472
- Published applications
- 629
- Assignees
- 284
- Inventors
- 1,116
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 10 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 8 |
| 2003 | 7 | 4 |
| 2004 | 5 | 9 |
| 2005 | 4 | 11 |
| 2006 | 5 | 11 |
| 2007 | 5 | 11 |
| 2008 | 8 | 8 |
| 2009 | 6 | 15 |
| 2010 | 7 | 22 |
| 2011 | 6 | 18 |
| 2012 | 11 | 14 |
| 2013 | 15 | 18 |
| 2014 | 15 | 21 |
| 2015 | 16 | 36 |
| 2016 | 24 | 34 |
| 2017 | 15 | 48 |
| 2018 | 26 | 43 |
| 2019 | 32 | 34 |
| 2020 | 29 | 37 |
| 2021 | 46 | 39 |
| 2022 | 25 | 31 |
| 2023 | 23 | 47 |
| 2024 | 25 | 41 |
| 2025 | 23 | 48 |
| 2026 | 20 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for producing a beverage, in particular coffee22 Sep 2026US 12,740,661 B2Starbucks Corporation
- Ultrasonic cleaner device for an espresso coffee machine and espresso coffee machine incorporating such a cleaner device1 Sep 2026US 12,721,469 B2La Marzocco S.R.L.
- Bean grinding component with self-cleaning for coffee machine and use method thereof14 Jul 2026US 12,677,983 B2Zhi Shan Zhi Mei (Binhai) Trading Co., Ltd.
- Connector for a fluid dispensing apparatus14 Jul 2026US 12,677,984 B2Koninklijke Douwe Egberts B. V.
- Outlet nozzle arrangement for a drink dispensing apparatus14 Jul 2026US 12,677,985 B2Koninklijke Douwe Egberts B. V.
- Method for Descaling a Beverage Machine and Beverage Machine17 Sep 2026US 2026/0272215 A1Kalerm Technology (Suzhou) Co., Ltd
- Apparatus for preparing and delivering sustom-ordered caffeinated beverages10 Sep 2026US 2026/0262873 A1Cofu LLC
- Beverage dispensing machine comprising a cleaning device10 Sep 2026US 2026/0262875 A1Melitta Professional Coffee Solutions GmbH & Co. KG
- Beverage dispensing machine comprising a cleaning device10 Sep 2026US 2026/0262876 A1Melitta Professional Coffee Solutions GmbH & Co. KG
- Systems and methods for communicating beverage recipes to a network of beverage robots10 Sep 2026US 2026/0268421 A1
Most cited
By later US patents
- Water treatment device having means to count times used and limit useage145US 5,190,643 AMr. Coffee, Inc. · 1993
- Filter assembly for water treatment apparatus109US 5,637,214 A1997
- Automatic brewer85US 5,303,639 ABunn-O-Matic Corporation · 1994
- Simplified method and apparatus for purification82US 4,948,499 APurewater Science International, Inc. · 1990
- Method and apparatus for the preparation of hot beverages76US 6,612,224 B2Les Thes Du Monde Enr. · 2003