D05B 57/26
Bobbin holders or casings
Official title: Bobbin holders or casings; Bobbin holder or case guards; Bobbin discharge devices
D05B57/26 (Bobbin holders or casings) appears on 107 US grants and 41 published applications in this corpus.
Search patents in D05B- Granted patents
- 107
- Published applications
- 41
- Assignees
- 44
- Inventors
- 140
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 2 |
| 2004 | 3 | 4 |
| 2005 | 3 | 5 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 5 |
| 2017 | 5 | 1 |
| 2018 | 3 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Needle plate construction for sewing machine and sewing machine29 Apr 2025US 12,286,737 B2Tism Co., Ltd.
- Rotary hook construction for sewing machine and sewing machine22 Apr 2025US 12,281,423 B2Tism Co., Ltd.
- Bobbin winding device and sewing machine16 Apr 2024US 11,959,213 B2Janome Sewing Machine Co., Ltd.
- Lower thread winding device12 Mar 2024US 11,926,944 B2Janome Corporation
- Lower thread supply device of sewing machine, and sewing method14 Jun 2022US 11,359,315 B2Onestar Co., Ltd.
- Sewing unit11 Sep 2025US 2025/0283260 A1PFAFF Industriesysteme und Maschinen GmbH
- Rotary hook construction for sewing machine and sewing machine28 Nov 2024US 2024/0392485 A1Tism Co., Ltd.
- Needle plate construction for sewing machine and sewing machine21 Nov 2024US 2024/0384454 A1Tism Co., Ltd.
- Lower thread winding device29 Dec 2022US 2022/0411980 A1Janome Corporation
- Bobbin winding device and sewing machine30 Dec 2021US 2021/0404101 A1Janome Sewing Machine Co., Ltd.
Most cited
By later US patents
- Automatic thread tensioning device for sewing machines14US 4,377,980 AJanome Sewing Machine Co., Ltd. · 1983
- Assembly for lower thread tension adjustment of sewing machine14US 4,429,649 AJanome Sewing Machine Industry Co., Ltd. · 1984
- Bobbin winding mechanism for a sewing machine11US 4,259,914 AThe Singer Company · 1981
- Plastic bobbin basket with needle guard plate11US 4,858,543 ABakron Corp. · 1989
- Thread cutting device in lockstitch sewing machines10US 4,589,362 APfaff Industriemaschinen GmbH · 1986