A47J 42/22
Coffee mills: having pulverising beaters or rotary knives
Official title: having pulverising beaters or rotary knives
A47J42/22 (Coffee mills: having pulverising beaters or rotary knives) appears on 94 US grants and 133 published applications in this corpus.
Search patents in A47J- Granted patents
- 94
- Published applications
- 133
- Assignees
- 75
- Inventors
- 215
- 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 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 5 |
| 2016 | 4 | 6 |
| 2017 | 6 | 7 |
| 2018 | 4 | 10 |
| 2019 | 6 | 8 |
| 2020 | 5 | 17 |
| 2021 | 16 | 17 |
| 2022 | 9 | 8 |
| 2023 | 7 | 8 |
| 2024 | 4 | 9 |
| 2025 | 9 | 11 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-configuration herb grinder with enhanced crushing efficiency and interchangeable contoured grinding surfaces28 Jul 2026US 12,690,716 B1
- Portable blade grinder9 Jun 2026US 12,648,673 B2Whirlpool Corporation
- Herb grinder with a cleaning attachment5 May 2026US 12,616,339 B2VPR Brands, LP
- Device and method for grinding herbs and tobacco10 Feb 2026US 12,543,774 B2Lifted Limited, LLC
- Coffee grinder with selectable grinding parameters30 Dec 2025US 12,507,829 B2Hamilton Beach Brands, Inc.
- Portable blade grinder17 Sep 2026US 2026/0272231 A1Whirlpool Corporation
- Device and method for grinding herbs and tobacco27 Aug 2026US 2026/0248170 A1Lifted Limited, LLC
- Grinding container that allows meticulous operation9 Jul 2026US 2026/0191359 A1Samhwa Co., Ltd
- Multi-bearing grinding device and coffee machine25 Jun 2026US 2026/0175345 A1
- Coffee Grinder with Selectable Grinding Parameters18 Jun 2026US 2026/0165534 A1Hamilton Beach Brands, Inc.
Most cited
By later US patents
- Handheld tobacco grinder with windows72US 8,393,563 B2Inhale, Inc. · 2013
- Portable leaf grinding device48US 8,083,167 B12011
- Coffee making apparatus41US 4,510,853 ATokyo Shibaura Denki Kabushiki Kaisha · 1985
- Cannabis personal processor apparatus40US 10,028,618 B12018
- Hand-held food processor29US 7,264,189 B2Chef 'N Corporation · 2007