B65D 33/2541
Characterised by the slide fastener
Official title: {characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape}
B65D33/2541 (Characterised by the slide fastener) appears on 777 US grants and 720 published applications in this corpus.
Search patents in B65D- Granted patents
- 777
- Published applications
- 720
- Assignees
- 197
- Inventors
- 778
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 16 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 18 | 0 |
| 1997 | 17 | 0 |
| 1998 | 20 | 0 |
| 1999 | 27 | 0 |
| 2000 | 30 | 0 |
| 2001 | 25 | 6 |
| 2002 | 22 | 37 |
| 2003 | 30 | 44 |
| 2004 | 31 | 52 |
| 2005 | 22 | 35 |
| 2006 | 21 | 52 |
| 2007 | 27 | 39 |
| 2008 | 17 | 20 |
| 2009 | 26 | 24 |
| 2010 | 20 | 25 |
| 2011 | 14 | 26 |
| 2012 | 18 | 23 |
| 2013 | 16 | 16 |
| 2014 | 12 | 24 |
| 2015 | 15 | 25 |
| 2016 | 20 | 30 |
| 2017 | 16 | 37 |
| 2018 | 27 | 32 |
| 2019 | 27 | 28 |
| 2020 | 25 | 17 |
| 2021 | 24 | 27 |
| 2022 | 20 | 21 |
| 2023 | 13 | 22 |
| 2024 | 20 | 21 |
| 2025 | 15 | 20 |
| 2026 | 10 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sealable storage bag25 Aug 2026US 12,715,658 B2Sazza Inc.
- “Deli” bag with extra thin walls and increased strength and method of manufacturing same18 Aug 2026US 12,709,439 B2New York Packaging II
- Re-closable flexible container for mixing ingredients, kit for baking mix and method of operation thereof2 Jun 2026US 12,643,714 B2The Baking Coach, Inc.
- Child resistant zipper closure, slider, recloseable pouch and methods26 May 2026US 12,637,255 B2Reynolds Presto Products Inc.
- Fitting tool and fitting-tool-equipped bag body5 May 2026US 12,617,586 B2C. I. TAKIRON Corporation
- Child resistant zipper closure, slider, recloseable pouch & methods10 Sep 2026US 2026/0264939 A1Reynolds Presto Products Inc.
- In-line laser measurement system and method for monitoring pouch openings in automated filling machines13 Aug 2026US 2026/0233877 A1
- Tape and container with tape30 Jul 2026US 2026/0217424 A1Idemitsu Unitech Co., Ltd.
- Wipes dispensing pouch assembly with integral membrane and zipper closure2 Jul 2026US 2026/0182788 A1Illinois Tool Works Inc.
- Resealable assembly for an enclosure including a stiffening element and method of manufacturing the same2 Jul 2026US 2026/0184468 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Reclosable bag, material, and method of and means for making same223US 4,617,683 AMinigrip, Inc. · 1986
- Rolling action zipper profile and slipper therefor205US 5,007,143 AMobil Oil Corporation · 1991
- Reclosable fastener assembly167US 5,664,299 ADowbrands L.P. · 1997
- Zipper for a reclosable thermoplastic bag and a process and apparatus for making166US 5,070,584 ADowbrands L.P. · 1991
- Pouch having easy opening and reclosing characteristics and method and apparatus for production thereof158US 5,519,982 AKraft Foods, Inc. · 1996