B23D 51/03
With extensible or collapsible frames
Official title: with extensible or collapsible frames {; Frames with spare blade storage means}
B23D51/03 (With extensible or collapsible frames) appears on 82 US grants and 48 published applications in this corpus.
Search patents in B23D- Granted patents
- 82
- Published applications
- 48
- Assignees
- 34
- Inventors
- 138
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 1 |
| 2004 | 3 | 3 |
| 2005 | 4 | 5 |
| 2006 | 3 | 2 |
| 2007 | 3 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 2 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 1 |
| 2017 | 4 | 3 |
| 2018 | 1 | 3 |
| 2019 | 1 | 0 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Collapsible hand saw with tubular frame doubling as storage container for other components5 Aug 2025US 12,377,477 B2
- Pole saw18 Jun 2024US 12,011,774 B2BAC Industries, Inc.
- Hacksaw multitool4 Jun 2024US 11,999,040 B2
- Stick cutter5 Dec 2023US 11,833,600 B2
- Jigsaw blade storage7 Sep 2021US 11,110,584 B2Black & Decker Inc.
- Stowable cutting tool2 Jul 2026US 2026/0182502 A1Jameson, LLC
- Jigsaw4 Apr 2024US 2024/0109140 A1Milwaukee Electric Tool Corporation
- Collapsible Hand Saw with Tubular Frame Doubling as Storage Container for Other Components12 Jan 2023US 2023/0012283 A1
- Stick Cutter1 Dec 2022US 2022/0379393 A1
- A folding hacksaw21 Jul 2022US 2022/0226915 A1Escada Innovation Limited
Most cited
By later US patents
- Multifunctional foldable saw91US 5,661,908 A1997
- Folding pocket saw86US 4,660,284 AThe Stanley Works · 1987
- Foldable pocket saw65US 4,918,820 AAmerican Saw & Mfg. Company · 1990
- Combination utility retractable saw and knife device65US 6,363,614 B12002
- Mounting/carrying device for blades46US 5,584,123 A1996