A44B 19/306
In the form of a locking spring member actuated by the pull
Official title: {in the form of a locking spring member actuated by the pull member}
A44B19/306 (In the form of a locking spring member actuated by the pull) appears on 79 US grants and 56 published applications in this corpus.
Search patents in A44B- Granted patents
- 79
- Published applications
- 56
- Assignees
- 22
- Inventors
- 77
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 6 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 3 | 5 |
| 2014 | 3 | 3 |
| 2015 | 3 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 7 |
| 2018 | 9 | 5 |
| 2019 | 3 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 5 |
| 2022 | 5 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Slider25 Nov 2025US 12,478,146 B2YKK Corporation
- Slider for zip fasteners4 Feb 2025US 12,213,565 B2Bottonificio B.A.P. S.P.A.
- Separable bottom end stop for slide fastener26 Nov 2024US 12,150,526 B2YKK Corporation
- Zipper and garment having the same20 Jun 2023US 11,678,728 B2Zhejiang Weixing Industrial Development Co., Ltd.
- Slider for concealed slide fastener23 Aug 2022US 11,419,393 B2YKK Corporation
- Slider17 Apr 2025US 2025/0120481 A1YKK Corporation
- Slider16 Jan 2025US 2025/0017329 A1YKK Corporation
- Separable bottom end stop for slide fastener4 Jan 2024US 2024/0000199 A1YKK Corporation
- Slider for zip fasteners30 Nov 2023US 2023/0380550 A1Bottonificio B.A.P. S.P.A.
- Zipper and garment having the same28 Apr 2022US 2022/0125165 A1Zhejiang Weixing Industrial Development Co., Ltd.
Most cited
By later US patents
- Automatic lock slider for slide fastener26US 4,768,263 AYoshida Kogyo K. K. · 1988
- Automatic lock slider for slide fasteners23US 4,422,220 AYoshida Kogyo K. K. · 1983
- Locking slider for sliding clasp fasteners19US 4,081,883 AYoshida Kogyo K. K. · 1978
- Locking slider for slide fastener and method of production thereof19US 4,615,083 ASpeedomatic AG · 1986
- Slider of a zipper19US 5,625,927 A1997