A44D
Indexing scheme relating to buttons, pins, buckles or slide fasteners, and to
Official title: Indexing scheme relating to buttons, pins, buckles or slide fasteners, and to jewellery, bracelets or other personal adornments
A44D (Indexing scheme relating to buttons, pins, buckles or slide fasteners, and to) appears on 795 US grants and 969 published applications in this corpus.
Search patents in A44D- Granted patents
- 795
- Published applications
- 969
- Assignees
- 359
- Inventors
- 1,358
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 3 |
| 2002 | 9 | 17 |
| 2003 | 15 | 13 |
| 2004 | 11 | 28 |
| 2005 | 11 | 16 |
| 2006 | 18 | 19 |
| 2007 | 10 | 23 |
| 2008 | 11 | 22 |
| 2009 | 7 | 24 |
| 2010 | 18 | 23 |
| 2011 | 2 | 17 |
| 2012 | 12 | 35 |
| 2013 | 18 | 32 |
| 2014 | 25 | 46 |
| 2015 | 27 | 39 |
| 2016 | 31 | 56 |
| 2017 | 32 | 40 |
| 2018 | 47 | 86 |
| 2019 | 50 | 78 |
| 2020 | 59 | 80 |
| 2021 | 65 | 64 |
| 2022 | 59 | 61 |
| 2023 | 51 | 49 |
| 2024 | 43 | 44 |
| 2025 | 30 | 30 |
| 2026 | 10 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Quick-disassembly device and assembling method thereof6 Oct 2026US 12,751,523 B2Sz Chi Technology Co., Ltd.
- Attachments for an umbrella18 Aug 2026US 12,708,833 B2Acushnet Company
- Snap and lock23 Jun 2026US 12,660,892 B2
- Stretchable belt16 Jun 2026US 12,653,257 B2Groove Life Corporation
- Free weight fastened to a barbell by gravity9 Jun 2026US 12,649,082 B2
- Magnetic attachment device1 Oct 2026US 2026/0294054 A1Loyola Marymount University
- Buckle assembly17 Sep 2026US 2026/0272128 A1Wonderland Switzerland AG
- Connecting Device with a Bridge Section for a Second Base Body of a Second Connecting Part10 Sep 2026US 2026/0266318 A1Fidlock GmbH
- Fastener device and article30 Jul 2026US 2026/0215551 A1YKK Corporation
- Cord end piece for attaching a decorative element16 Jul 2026US 2026/0198654 A1
Most cited
By later US patents
- Magnetic clasp for wristwatch strap295US 4,941,236 ATimex Corporation · 1990
- Fitting device for accessory264US 5,367,891 AYugen Kaisha Furuyama Shouji · 1994
- Magnetic necklace clasp199US 5,050,276 A1991
- Portable fitness monitoring systems with displays and applications thereof176US 8,105,208 B2adidas AG · 2012
- Magnetic closure with mutual interlock for bags, knapsacks, items of clothing and the like144US 6,292,985 B1SAMA S.p.A. · 2001