A47J 31/4475
Hot water outlets for drip coffee makers
Official title: {Hot water outlets for drip coffee makers}
A47J31/4475 (Hot water outlets for drip coffee makers) appears on 95 US grants and 119 published applications in this corpus.
Search patents in A47J- Granted patents
- 95
- Published applications
- 119
- Assignees
- 70
- Inventors
- 225
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 4 | 3 |
| 2004 | 3 | 7 |
| 2005 | 4 | 2 |
| 2006 | 2 | 6 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 3 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 11 |
| 2017 | 2 | 7 |
| 2018 | 5 | 11 |
| 2019 | 8 | 6 |
| 2020 | 5 | 9 |
| 2021 | 3 | 7 |
| 2022 | 3 | 1 |
| 2023 | 4 | 4 |
| 2024 | 5 | 8 |
| 2025 | 3 | 13 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Group head vortex shower28 Oct 2025US 12,453,437 B2I Cherng Refrigeration Industrial Co., Ltd.
- Diffuser assembly1 Apr 2025US 12,262,840 B2SharkNinja Operating LLC
- Beverage brewer spray apparatus having accommodation for multiple dispersion members7 Jan 2025US 12,185,867 B2
- Quick release spray head assembly, adapter, and method of use17 Dec 2024US 12,168,241 B2Bunn-O-Matic Corporation
- Beverage brewer having moving water dispersion15 Oct 2024US 12,114,801 B2
- Automatic pour over coffee machine and methods of use11 Jun 2026US 2026/0157559 A1Shenzhen Chenbei Technology Co., Ltd.
- Automatic pour over coffee machine and methods of use11 Jun 2026US 2026/0157560 A1Shenzhen Chenbei Technology Co., Ltd.
- Basket rotation assembly for an automatic pour over coffee machine11 Jun 2026US 2026/0157561 A1Shenzhen Chenbei Technology Co., Ltd.
- Basket vibration system and gasket assembly for an automatic pour over coffee machine11 Jun 2026US 2026/0157562 A1Shenzhen Chenbei Technology Co., Ltd.
- Recirculation system for an automatic pour over coffee machine11 Jun 2026US 2026/0157563 A1Shenzhen Chenbei Technology Co., Ltd.
Most cited
By later US patents
- Re-usable beverage filter cartridge204US 6,658,989 B2Keurig, Incorporated · 2003
- Fluid delivery system for generating pressure pulses to make beverages99US 6,405,637 B1Houseware Technology Group · 2002
- Coffee brewer and hot water dispenser57US 5,836,236 A1998
- Coffee brewer56US 6,843,165 B2Sto AG · 2005
- Spray head for coffee brewer51US 6,244,162 B1Grindmaster Corporation · 2001