B25B 21/00
Portable power-driven screw or nut setting or loosening tools
Official title: Portable power-driven screw or nut setting or loosening tools; (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F5/00; {for mounting or dismounting wheels B60B29/006}); Attachments for drilling apparatus serving the same purpose (machines B23P19/06)
B25B21/00 (Portable power-driven screw or nut setting or loosening tools) appears on 3,206 US grants and 3,264 published applications in this corpus.
Search patents in B25B- Granted patents
- 3,206
- Published applications
- 3,264
- Assignees
- 825
- Inventors
- 4,438
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 16 | 0 |
| 1978 | 18 | 0 |
| 1979 | 14 | 0 |
| 1980 | 17 | 0 |
| 1981 | 16 | 0 |
| 1982 | 12 | 0 |
| 1983 | 14 | 0 |
| 1984 | 29 | 0 |
| 1985 | 35 | 0 |
| 1986 | 21 | 0 |
| 1987 | 35 | 0 |
| 1988 | 45 | 0 |
| 1989 | 55 | 0 |
| 1990 | 40 | 0 |
| 1991 | 44 | 0 |
| 1992 | 37 | 0 |
| 1993 | 33 | 0 |
| 1994 | 34 | 0 |
| 1995 | 36 | 0 |
| 1996 | 40 | 0 |
| 1997 | 36 | 0 |
| 1998 | 48 | 0 |
| 1999 | 54 | 0 |
| 2000 | 52 | 0 |
| 2001 | 72 | 19 |
| 2002 | 37 | 45 |
| 2003 | 49 | 48 |
| 2004 | 43 | 62 |
| 2005 | 38 | 82 |
| 2006 | 63 | 99 |
| 2007 | 53 | 75 |
| 2008 | 53 | 86 |
| 2009 | 38 | 80 |
| 2010 | 44 | 92 |
| 2011 | 62 | 96 |
| 2012 | 56 | 106 |
| 2013 | 60 | 149 |
| 2014 | 71 | 135 |
| 2015 | 95 | 142 |
| 2016 | 92 | 123 |
| 2017 | 114 | 129 |
| 2018 | 88 | 152 |
| 2019 | 127 | 164 |
| 2020 | 134 | 192 |
| 2021 | 138 | 196 |
| 2022 | 176 | 204 |
| 2023 | 167 | 214 |
| 2024 | 204 | 228 |
| 2025 | 188 | 215 |
| 2026 | 141 | 131 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B25B 21/02Portable power-driven screw or nut setting or loosening tools: with means for1,056
- B25B 21/002Portable power-driven screw or nut setting or loosening tools: for special purposes552
- B25B 21/004Portable power-driven screw or nut setting or loosening tools: of the ratchet478
- B25B 21/007Attachments for drilling apparatus for screw or nut setting or loosening228
- B25B 21/008Portable power-driven screw or nut setting or loosening tools: with automatic change-over144
- B25B 21/001Combined nut setting and crimping42
Recent patents
- Adaptive nut removal mode in a power tool6 Oct 2026US 12,752,406 B2Milwaukee Electric Tool Corporation
- Adjustable wrench with an integrated clutch29 Sep 2026US 12,746,644 B1
- Impact tool29 Sep 2026US 12,746,645 B2Nanjing Chervon Industry Co., Ltd.
- Power tool29 Sep 2026US 12,746,646 B2Black & Decker Inc.
- Brushless DC motor power tool with combined PCB design29 Sep 2026US 12,749,945 B2Milwaukee Electric Tool Corporation
- Shear wrench tool8 Oct 2026US 2026/0307219 A1
- Electric ratchet wrench8 Oct 2026US 2026/0307220 A1Infar Industrial Co., Ltd.
- Power tool with compact motor assembly8 Oct 2026US 2026/0307221 A1Black & Decker Inc.
- Rotary impact tool8 Oct 2026US 2026/0307222 A1Milwaukee Electric Tool Corporation
- Impact tool with magnetically assisted impact mechanism8 Oct 2026US 2026/0307223 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Ratchet wrench with pivotable head1,541US 5,784,934 AShinano Pneumatic Industries, Inc. · 1998
- Powered surgical instrument having locking systems and a clutch mechanism1,500US 6,220,368 B1MicroAire Surgical Instruments, Inc. · 2001
- Power tool gear-train and torque overload clutch therefor1,399US 7,644,783 B2Black & Decker Inc. · 2010
- Depth controllable and measurable medical driver devices and methods of use1,243US 8,894,654 B2Smart Medical Devices, Inc. · 2014
- Tool attachment1,179US 9,193,045 B2Robert Bosch GmbH · 2015