B25B 21/026
Impact clutches
Official title: {Impact clutches}
B25B21/026 (Impact clutches) appears on 327 US grants and 422 published applications in this corpus.
Search patents in B25B- Granted patents
- 327
- Published applications
- 422
- Assignees
- 96
- Inventors
- 534
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 4 |
| 2005 | 5 | 6 |
| 2006 | 6 | 13 |
| 2007 | 5 | 4 |
| 2008 | 6 | 7 |
| 2009 | 4 | 6 |
| 2010 | 2 | 11 |
| 2011 | 11 | 7 |
| 2012 | 1 | 9 |
| 2013 | 3 | 17 |
| 2014 | 3 | 24 |
| 2015 | 6 | 23 |
| 2016 | 12 | 13 |
| 2017 | 16 | 18 |
| 2018 | 9 | 10 |
| 2019 | 13 | 21 |
| 2020 | 13 | 22 |
| 2021 | 11 | 29 |
| 2022 | 22 | 26 |
| 2023 | 21 | 38 |
| 2024 | 44 | 43 |
| 2025 | 39 | 47 |
| 2026 | 30 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power tool29 Sep 2026US 12,746,646 B2Black & Decker Inc.
- Impact tool15 Sep 2026US 12,734,651 B2Makita Corporation
- Non-contact speed selector switch in rotary power tool1 Sep 2026US 12,722,269 B2Milwaukee Electric Tool Corporation
- Impact tools and control modes1 Sep 2026US 12,726,150 B2Black & Decker Inc.
- Power tool comprising a hydraulic pulse unit25 Aug 2026US 12,715,087 B2Atlas Copco Industrial Technique AB
- Impact tool with magnetically assisted impact mechanism8 Oct 2026US 2026/0307223 A1Milwaukee Electric Tool Corporation
- Power tool and impact mechanism3 Sep 2026US 2026/0257322 A1Black & Decker Inc.
- Angle impact tool30 Jul 2026US 2026/0216848 A1Makita Corporation
- Impact tool30 Jul 2026US 2026/0216849 A1Milwaukee Electric Tool Corporation
- Impact power tool23 Jul 2026US 2026/0208342 A1
Most cited
By later US patents
- Impact tool1,056US 9,314,908 B2Hitachi Koki Co., Ltd. · 2016
- Impact tool and method of controlling impact tool614US 10,562,160 B2Koki Holdings Co., Ltd. · 2020
- Rotary impact tool90US 8,678,106 B2Makita Corporation · 2014
- Impact wrench80US 7,673,702 B2Ingersoll-Rand Company · 2010
- Power impact tool79US 6,945,337 B2Matsushita Electric Works, Ltd. · 2005