B23D 51/12
For use with tools, dealt with in this subclass, which are connected
Official title: for use with tools, dealt with in this subclass, which are connected to a carrier at both ends, e.g. bows adjustable in length or height
B23D51/12 (For use with tools, dealt with in this subclass, which are connected) appears on 136 US grants and 57 published applications in this corpus.
Search patents in B23D- Granted patents
- 136
- Published applications
- 57
- Assignees
- 50
- Inventors
- 189
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 2 |
| 2004 | 7 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 1 |
| 2007 | 4 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 5 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 3 | 4 |
| 2014 | 3 | 3 |
| 2015 | 2 | 3 |
| 2016 | 6 | 7 |
| 2017 | 6 | 6 |
| 2018 | 3 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 3 |
| 2023 | 3 | 1 |
| 2024 | 1 | 3 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hacksaw with handle tensioning mechanism11 Aug 2026US 12,703,034 B2Apex Brands, Inc.
- Multi-functional saw16 Jan 2024US 11,872,645 B1Jinhua Shengxiang Tools Co., Ltd
- Stick cutter5 Dec 2023US 11,833,600 B2
- Scroll saw with movable arm28 Nov 2023US 11,826,840 B1
- Apparatus for a quick release cutting device blade assembly20 Jun 2023US 11,679,443 B1Lemco Products LLC
- Modified bow saw30 Oct 2025US 2025/0332649 A1
- Hacksaw with handle tensioning mechanism1 Aug 2024US 2024/0253137 A1Apex Brands, Inc.
- Hacksaw15 Feb 2024US 2024/0051044 A1Techtronic Cordless GP
- Hacksaw18 Jan 2024US 2024/0017337 A1Industro International Co., Ltd.
- Accessory for an oscillating power tool16 Mar 2023US 2023/0082304 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Friction saw and handle assembly63US 4,464,836 A1984
- Hacksaw with improved blade tension mechanism33US 5,768,788 AHand Tool Design Corporation · 1998
- Hacksaw having blade tension adjusting mechanism33US 6,134,791 A2000
- Hacksaw having cam-actuated blade tensioning mechanism32US 6,070,330 AR. E. Phelon Company, Inc. · 2000
- Quick release saw blade chuck and saw including the same31US 5,363,733 ADelta International Machinery Corp. · 1994