A44B 19/382
"two-way" or "double-acting" separable slide fasteners
Official title: {"Two-way" or "double-acting" separable slide fasteners}
A44B19/382 ("two-way" or "double-acting" separable slide fasteners) appears on 40 US grants and 39 published applications in this corpus.
Search patents in A44B- Granted patents
- 40
- Published applications
- 39
- Assignees
- 13
- Inventors
- 57
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 3 |
| 2012 | 0 | 6 |
| 2013 | 2 | 6 |
| 2014 | 6 | 3 |
| 2015 | 6 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 4 |
| 2021 | 3 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Double-separating and double-pulling zipper, partition structure and clothing27 Jan 2026US 12,534,911 B2
- Separable bottom end stop for slide fastener26 Nov 2024US 12,150,526 B2YKK Corporation
- Bottom stop device of double-open end zipper and assembly structure thereof23 Jan 2024US 11,877,629 B1Kcc Zipper Co., Ltd.
- Two-way slide fastener19 Apr 2022US 11,304,483 B2
- Slide fastener26 Oct 2021US 11,154,120 B2YKK Corporation
- Separable bottom end stop16 Jul 2026US 2026/0198657 A1YKK Corporation
- Two-way separator23 Apr 2026US 2026/0108023 A1YKK Corporation
- Two-way insert15 May 2025US 2025/0151858 A1Zhejiang Weixing Industrial Development Co., Ltd.
- Double-Separating and Double-Pulling Zipper, Partition Structure and Clothing2 Jan 2025US 2025/0003214 A1
- Separable bottom end stop for slide fastener4 Jan 2024US 2024/0000199 A1YKK Corporation
Most cited
By later US patents
- Reversible zipper assembly24US 5,628,093 A1997
- Two way open-end zipper21US 6,775,885 B12004
- Reversely openable bottom end stop of slide fastener13US 6,195,852 B1YKK Corporation · 2001
- Separable slide fastener chain and a method of producing the same10US 4,238,872 AYoshida Kogyo K. K. · 1980
- Zipper arrangement8US 8,484,764 B2Under Armour, Inc. · 2013