A45F 4/02
Sacks or packs convertible into other articles or into objects for other
Official title: Sacks or packs convertible into other articles {or into objects for other use}
A45F4/02 (Sacks or packs convertible into other articles or into objects for other) appears on 754 US grants and 846 published applications in this corpus.
Search patents in A45F- Granted patents
- 754
- Published applications
- 846
- Assignees
- 244
- Inventors
- 1,371
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 12 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 14 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 17 | 0 |
| 1997 | 17 | 0 |
| 1998 | 16 | 0 |
| 1999 | 14 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 1 |
| 2002 | 14 | 18 |
| 2003 | 16 | 21 |
| 2004 | 12 | 21 |
| 2005 | 8 | 28 |
| 2006 | 9 | 23 |
| 2007 | 7 | 27 |
| 2008 | 7 | 28 |
| 2009 | 6 | 28 |
| 2010 | 10 | 39 |
| 2011 | 10 | 26 |
| 2012 | 13 | 21 |
| 2013 | 20 | 29 |
| 2014 | 23 | 39 |
| 2015 | 22 | 37 |
| 2016 | 32 | 39 |
| 2017 | 35 | 45 |
| 2018 | 33 | 45 |
| 2019 | 41 | 57 |
| 2020 | 35 | 57 |
| 2021 | 40 | 58 |
| 2022 | 42 | 53 |
| 2023 | 33 | 26 |
| 2024 | 25 | 41 |
| 2025 | 23 | 23 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A45F 2004/026Into seats or sitting cushionsIndexing code125
- A45F 4/06Into beds or mattresses105
- A45F 4/12Into coats or capes93
- A45F 2004/023Into articles covered by groups a45f3/00 - a45f3/15Indexing code48
- A45F 4/04Into tents37
- A45F 4/08Into hammocks, litters or sleeping-bags27
- A45F 4/10Into boats or sledges9
Recent patents
- Folding chair with detachable container29 Sep 2026US 12,745,848 B2Parkit Co.
- Multifunctional medical supply receptacle and methods of use thereof23 Jun 2026US 12,660,907 B2Pulse Pack LLC
- Backpack frame convertible to folding chair19 May 2026US 12,628,953 B2
- Folding chair with detachable container12 May 2026US 12,622,526 B2Parklt Co.
- Bat bag28 Apr 2026US 12,611,578 B2Spiderz Sports, LLC
- Jackpack systems17 Sep 2026US 2026/0272148 A1
- Multiple Chair Carry System for Folding Chairs17 Sep 2026US 2026/0272175 A1Dv8, LLC
- Folding chair with detachable container20 Aug 2026US 2026/0240328 A1Parkit Co.
- Wearable carry article with deployable seat and lumbar support6 Aug 2026US 2026/0224013 A1Kuiu, LLC
- Wearable Shelter Device16 Jul 2026US 2026/0198622 A1
Most cited
By later US patents