B25B 13/52
Chain or strap wrenches
B25B13/52 (Chain or strap wrenches) appears on 134 US grants and 57 published applications in this corpus.
Search patents in B25B- Granted patents
- 134
- Published applications
- 57
- Assignees
- 49
- Inventors
- 184
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 8 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 3 |
| 2003 | 2 | 3 |
| 2004 | 2 | 1 |
| 2005 | 2 | 3 |
| 2006 | 3 | 3 |
| 2007 | 3 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 4 | 2 |
| 2014 | 3 | 4 |
| 2015 | 6 | 4 |
| 2016 | 4 | 2 |
| 2017 | 4 | 3 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 4 |
| 2021 | 2 | 2 |
| 2022 | 4 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 5 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sprocket wrench with clamp26 May 2026US 12,636,759 B2
- Adjustable shock absorber system and device29 Jul 2025US 12,370,858 B2
- Apparatus and method for positioning a safety strap29 Oct 2024US 12,128,511 B2
- Adjustable shock absorber system and device23 Jan 2024US 11,878,562 B2
- Gripping aid for the manually impaired21 Feb 2023US 11,583,996 B2
- Anti-rotation tool for aircraft engine rotational equipment23 Apr 2026US 2026/0109480 A1Pratt & Whitney Canada Corp.
- Air Suspension Wrench5 Feb 2026US 2026/0034646 A1
- Adjustable shock absorber system and device15 Jan 2026US 2026/0014827 A1
- Apparatus and method for positioning a safety strap16 Jan 2025US 2025/0018512 A1
- Multifunctional electric wrench19 Sep 2024US 2024/0308033 A1
Most cited
By later US patents
- Strap-type wrench for removing rotatable closures or similar members30US 4,532,833 A1985
- Compact high-torque apparatus and method for rotating pipe29US 4,843,924 AHawk Industries, Inc. · 1989
- Toggle joint band wrench apparatus29US 5,507,210 A1996
- Filter wrench26US 4,604,920 A1986
- Oscillating drive apparatus for working tool and working apparatus using the same26US 4,885,963 AMCC Corporation · 1989