B27B 21/02
Buck or hack saws
B27B21/02 (Buck or hack saws) appears on 28 US grants and 24 published applications in this corpus.
Search patents in B27B- Granted patents
- 28
- Published applications
- 24
- Assignees
- 12
- Inventors
- 55
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 4 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 3 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Collapsible hand saw with tubular frame doubling as storage container for other components5 Aug 2025US 12,377,477 B2
- Hacksaw multitool4 Jun 2024US 11,999,040 B2
- Multi-use tool24 Jan 2023US 11,559,878 B2MIW Associates LLC
- Metal lashing plates29 Jun 2021US 11,047,414 B2
- Foldable bow saw18 Apr 2017US 9,623,499 B2Agawa Canyon Inc.
- Modified bow saw30 Oct 2025US 2025/0332649 A1
- Hacksaw18 Jan 2024US 2024/0017337 A1Industro International Co., Ltd.
- Collapsible Hand Saw with Tubular Frame Doubling as Storage Container for Other Components12 Jan 2023US 2023/0012283 A1
- Hacksaw Multitool23 Sep 2021US 2021/0291341 A1
- Multi-use tool23 Jan 2020US 2020/0023504 A1MIW Associates LLC
Most cited
By later US patents
- Blade reciprocating saws40US 4,339,977 A1982
- Folding concealed hacksaw38US 6,898,858 B12005
- Hacksaw having cam-actuated blade tensioning mechanism32US 6,070,330 AR. E. Phelon Company, Inc. · 2000
- Hacksaw having cam-actuated blade tensioning mechanism24US 5,826,344 AR. E. Phelon Company, Inc. · 1998
- Frame of hacksaw16US 6,230,412 B12001