B23B 2260/044
Clutches
B23B2260/044 (Clutches) appears on 62 US grants and 81 published applications in this corpus.
Search patents in B23B- Granted patents
- 62
- Published applications
- 81
- Assignees
- 41
- Inventors
- 132
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 9 |
| 2007 | 1 | 4 |
| 2008 | 2 | 2 |
| 2009 | 6 | 4 |
| 2010 | 5 | 3 |
| 2011 | 3 | 3 |
| 2012 | 0 | 4 |
| 2013 | 3 | 4 |
| 2014 | 3 | 6 |
| 2015 | 3 | 3 |
| 2016 | 7 | 2 |
| 2017 | 2 | 1 |
| 2018 | 3 | 4 |
| 2019 | 2 | 3 |
| 2020 | 0 | 2 |
| 2021 | 4 | 5 |
| 2022 | 2 | 4 |
| 2023 | 0 | 4 |
| 2024 | 4 | 4 |
| 2025 | 4 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for axial displacement of a hole saw for a hand-held drill24 Mar 2026US 12,583,038 B2Talgø Teknologi AS
- Power tool and a transmission therefor3 Mar 2026US 12,564,888 B2Black & Decker Inc.
- Clamping mechanism and electric tool6 Jan 2026US 12,515,260 B2Shandong Weida Machinery Co., Ltd.
- Turret device18 Nov 2025US 12,472,600 B2Fuji Corporation
- Clutch device, drill chuck, power tool, and bidirectional rotation method of drill chuck19 Aug 2025US 12,390,863 B2
- Power tool and a transmission therefor4 Jun 2026US 2026/0151835 A1Black & Decker Inc.
- Indexing System for Multiple Insert Lathe Tool Holder13 Nov 2025US 2025/0345861 A1Modern Industries, Inc.
- Electrical driving system for machine tool24 Jul 2025US 2025/0235968 A1Khanstn Co., Ltd.
- Multispeed power tool22 May 2025US 2025/0162124 A1Black & Decker Inc.
- Clamping Mechanism and Electric Tool6 Mar 2025US 2025/0073846 A1Shandong Weida Machinery Co., Ltd.
Most cited
By later US patents
- Chuck for tools87US 4,951,955 ASakamaki Mfg. Co., Ltd. · 1990
- Automatically locking chuck for drill or the like56US 5,174,588 ARobert Bosch GmbH · 1992
- Multi-speed drill and transmission with low gear only clutch46US 7,762,349 B2Black & Decker Inc. · 2010
- Power tool37US 8,505,649 B2Demain Technology Pty Ltd · 2013
- Tool chuck with sleeve and clutch mechanism33US 7,699,566 B2Black & Decker Inc. · 2010