A47J 31/4489
Steam nozzles
Official title: {Steam nozzles, e.g. for introducing into a milk container to heat and foam milk}
A47J31/4489 (Steam nozzles) appears on 205 US grants and 303 published applications in this corpus.
Search patents in A47J- Granted patents
- 205
- Published applications
- 303
- Assignees
- 120
- Inventors
- 421
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 4 |
| 2004 | 2 | 4 |
| 2005 | 4 | 3 |
| 2006 | 0 | 2 |
| 2007 | 2 | 5 |
| 2008 | 0 | 4 |
| 2009 | 1 | 5 |
| 2010 | 1 | 7 |
| 2011 | 2 | 11 |
| 2012 | 2 | 7 |
| 2013 | 5 | 10 |
| 2014 | 5 | 8 |
| 2015 | 11 | 23 |
| 2016 | 7 | 12 |
| 2017 | 13 | 18 |
| 2018 | 7 | 27 |
| 2019 | 18 | 16 |
| 2020 | 20 | 24 |
| 2021 | 20 | 17 |
| 2022 | 10 | 26 |
| 2023 | 14 | 16 |
| 2024 | 13 | 17 |
| 2025 | 21 | 24 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid texturing device22 Sep 2026US 12,740,666 B2SharkNinja Operating LLC
- Method for preparing a beverage, preferably milk froth or hot milk24 Feb 2026US 12,557,936 B2Steiner AG Weggis
- Coffee machine17 Feb 2026US 12,551,047 B2DE' LONGHI APPLIANCES S.r.l.
- Device for emulsifying and/or heating milk and method for producing a milk-based drink17 Feb 2026US 12,551,048 B2DE' LONGHI APPLIANCES S.r.l.
- Cleaning system and method for beverage appliance3 Feb 2026US 12,538,997 B2Conair Corporation
- Coffee machine with milk frothing system17 Sep 2026US 2026/0272210 A1Simonelli Group S.P.A.
- Device and method for producing milk-air emulsions10 Sep 2026US 2026/0262871 A1Melitta Professional Coffee Solutions GmbH & Co. KG
- Coffee making system27 Aug 2026US 2026/0248322 A1Maxi (Beijing) International Brand Management Co., Ltd.
- Apparatus for preparing hot beverages having steam lance20 Aug 2026US 2026/0240360 A1Franke Kaffeemaschinen AG
- Coffee machine with display system of coffee dispensing and milk frothing parameters13 Aug 2026US 2026/0232131 A1Simonelli Group S.P.A.
Most cited
By later US patents
- Apparatus for brewing espresso and cappuccino114US 5,638,740 A1997
- Espresso machine with cappuccino making attachment82US 4,852,474 ARobert Krups Stiftung & Co. KG. · 1989
- Milk heating and emulsifying device especially for the preparation of the hot drink known as "cappuccino"77US 4,735,133 AFulmine S.r.L. · 1988
- Device for preparing milk froth for cappuccino61US 5,335,588 AArthur Eugster AG Elektrohaushaltsgerate · 1994
- Espresso machine with cappuccino making attachment47US 4,800,805 ARobert Krups Stiftung & Co. KG. · 1989