B23D 49/12
Hacksaws
Official title: Hacksaws (B23D49/11, B23D49/16 take precedence; bows adjustable in length or height B23D51/12)
B23D49/12 (Hacksaws) appears on 34 US grants and 20 published applications in this corpus.
Search patents in B23D- Granted patents
- 34
- Published applications
- 20
- Assignees
- 17
- Inventors
- 55
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 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.
- Hacksaw multitool4 Jun 2024US 11,999,040 B2
- Multi-functional saw16 Jan 2024US 11,872,645 B1Jinhua Shengxiang Tools Co., Ltd
- Assembly of saw handle and saw member27 Mar 2018US 9,925,605 B2
- Hacksaw with blade tensioning mechanism29 Aug 2017US 9,744,604 B2Irwin Industrial Tool Company
- Hacksaw with handle tensioning mechanism1 Aug 2024US 2024/0253137 A1Apex Brands, Inc.
- Hacksaw15 Feb 2024US 2024/0051044 A1Techtronic Cordless GP
- Hacksaw blade with tension focusing slots22 Dec 2022US 2022/0402053 A1Apex Brands, Inc.
- A folding hacksaw21 Jul 2022US 2022/0226915 A1Escada Innovation Limited
- Hacksaw Multitool23 Sep 2021US 2021/0291341 A1
Most cited
By later US patents
- Multi-tension hacksaw24US 4,256,156 AEasco Tools, Inc. · 1981
- Hacksaw and method for making the same22US 6,266,887 B1The Stanley Works · 2001
- Quick disassembly hacksaw20US 6,772,522 B12004
- Handsaw with blade storage and auxiliary blade18US 7,174,644 B2Cooper Brands, Inc. · 2007
- Hacksaw with improved blade tensioning mechanism17US 4,367,779 AParker Manufacturing Company · 1983