D05B 57/20
With bobbin casings held by magnetic forces
Official title: with bobbin casings held by magnetic forces
D05B57/20 (With bobbin casings held by magnetic forces) appears on 7 US grants and 3 published applications in this corpus.
Search patents in D05B- Granted patents
- 7
- Published applications
- 3
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 25 Sep 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Horizontal rotary hook of sewing machine25 Sep 2018US 10,081,895 B2Janome Sewing Machine Co., Ltd.
- Horizontal rotary hook of sewing machine19 Jan 2016US 9,238,883 B2Janome Sewing Machine Co., Ltd.
- Horizontal rotary hook for sewing machine6 Feb 2007US 7,171,914 B2Brother Kogyo Kabushiki Kaisha
- Magnetized pre-wound sideless bobbins10 Jul 2001US 6,257,512 B1Fil-Tec
- Rotating shuttle and presser plate arrangement1 Dec 1998US 5,842,431 A
- Horizontal Rotary Hook of Sewing Machine29 Oct 2015US 2015/0308023 A1Janome Sewing Machine Co., Ltd.
- Horizontal Rotary Hook of Sewing Machine29 Oct 2015US 2015/0308024 A1Janome Sewing Machine Co., Ltd.
- Horizontal rotary hook for sewing machine30 Mar 2006US 2006/0065175 A1Brother Kogyo Kabushiki Kaisha
Most cited
By later US patents
- Magnetized pre-wound sideless bobbins16US 6,257,512 B1Fil-Tec · 2001
- Rotating shuttle and presser plate arrangement15US 5,842,431 A1998
- Rotary looptaker and bobbin case with magnetic repulsive force therebetween8US 4,676,178 A1987
- Bobbin holding structure8US 5,152,236 AHirose Manufacturing Co., Ltd. · 1992
- Horizontal rotary hook for sewing machine6US 7,171,914 B2Brother Kogyo Kabushiki Kaisha · 2007