A45F 3/08
Carrying-frames
Official title: Carrying-frames; Frames combined with sacks
A45F3/08 (Carrying-frames) appears on 346 US grants and 369 published applications in this corpus.
Search patents in A45F- Granted patents
- 346
- Published applications
- 369
- Assignees
- 211
- Inventors
- 719
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 5 |
| 2003 | 6 | 5 |
| 2004 | 3 | 25 |
| 2005 | 6 | 10 |
| 2006 | 8 | 11 |
| 2007 | 4 | 11 |
| 2008 | 7 | 12 |
| 2009 | 4 | 7 |
| 2010 | 8 | 9 |
| 2011 | 4 | 8 |
| 2012 | 7 | 18 |
| 2013 | 11 | 16 |
| 2014 | 14 | 20 |
| 2015 | 19 | 22 |
| 2016 | 18 | 23 |
| 2017 | 15 | 17 |
| 2018 | 13 | 17 |
| 2019 | 21 | 14 |
| 2020 | 15 | 21 |
| 2021 | 18 | 19 |
| 2022 | 10 | 11 |
| 2023 | 10 | 11 |
| 2024 | 8 | 28 |
| 2025 | 15 | 10 |
| 2026 | 18 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Retractable load-carrying device with optimized weight distribution and quick-release mechanism8 Oct 2026US 2026/0305799 A1IO Research and Development LTD.
- Backpack type working machine1 Oct 2026US 2026/0295614 A1Makita Corporation
- Backpack17 Sep 2026US 2026/0272146 A1
- All terrain backpack27 Aug 2026US 2026/0248265 A1
- Integrated load-bearing and equipment access system with mobility-optimized configuration20 Aug 2026US 2026/0240306 A1Byte Studio, LLC
Most cited
By later US patents
- Flexible frame load carrying system199US 5,954,253 AJohnson Worldwide Associates, Inc. · 1999
- Releasable backpack146US 5,732,867 ACrush Innovative Sports Systems, Inc. · 1998
- Backpack assembly135US 5,553,759 AThe Coleman Company, Inc. · 1996
- Backpack having a modular frame134US 6,626,342 B12003
- Modular backpack102US 5,564,612 ABianchi International · 1996