B65D 33/2558
The slide fastener having a non-constant section throughout the length of the
Official title: {the slide fastener having a non-constant section throughout the length of the fastener, e.g. slightly undulated interlocking members or castellated stringers}
B65D33/2558 (The slide fastener having a non-constant section throughout the length of the) appears on 92 US grants and 82 published applications in this corpus.
Search patents in B65D- Granted patents
- 92
- Published applications
- 82
- Assignees
- 36
- Inventors
- 149
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 5 |
| 2003 | 6 | 4 |
| 2004 | 3 | 5 |
| 2005 | 4 | 1 |
| 2006 | 0 | 1 |
| 2007 | 3 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 4 | 3 |
| 2013 | 2 | 0 |
| 2014 | 1 | 4 |
| 2015 | 2 | 8 |
| 2016 | 3 | 1 |
| 2017 | 1 | 6 |
| 2018 | 6 | 7 |
| 2019 | 2 | 2 |
| 2020 | 9 | 4 |
| 2021 | 4 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 5 |
| 2025 | 2 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Closure device21 Apr 2026US 12,606,348 B2Inteplast Group Corporation
- Zipper strap structure, packaging bag comprising zipper strap structure, and manufacturing method for zipper strap structure31 Mar 2026US 12,588,739 B2Zippian Co., Ltd.
- Zipper strap structure, packaging bag comprising zipper strap structure, and manufacturing method for zipper strap structure7 Oct 2025US 12,433,374 B2Zippian Co., Ltd.
- Closure system for pouch or container9 Sep 2025US 12,409,978 B2S. C. Johnson & Son, Inc.
- Resealable childproof bag system and method19 Mar 2024US 11,932,454 B2AA Global Imports, Inc.
- Linear fastener2 Jul 2026US 2026/0184469 A1Poly-America, L. P.
- Heat seal assembly with perforating teeth for mono-material enclosure and method for sealing the mono-material enclosure18 Jun 2026US 2026/0167371 A1Illinois Tool Works Inc.
- Closure system for pouch or container20 Nov 2025US 2025/0353643 A1S. C. Johnson & Son, Inc.
- Dual-closure weather barriers and bags containing the same16 Oct 2025US 2025/0320034 A1Sea to Summit Pty Ltd
- Fresh-keeping bag11 Sep 2025US 2025/0282526 A1Guangdong Good Impression Innovation Technology Co., Ltd.
Most cited
By later US patents
- Zipper for a reclosable thermoplastic bag and a process and apparatus for making166US 5,070,584 ADowbrands L.P. · 1991
- Wedge activated zipper147US 5,509,734 AMinigrip, Inc. · 1996
- Zipper for reclosable thermoplastic bag, process and apparatus for making138US 5,140,727 ADowbrands L.P. · 1992
- Reclosable zipper125US 5,403,094 AReynolds Consumer Products, Inc. · 1995
- Flexible thermoplastic containers having visual pattern thereon125US 5,618,111 ADowbrands L.P. · 1997