B02C 2018/0023
Switching devices
Official title: {Switching devices}
B02C2018/0023 (Switching devices) appears on 132 US grants and 126 published applications in this corpus.
Search patents in B02C- Granted patents
- 132
- Published applications
- 126
- Assignees
- 42
- Inventors
- 157
- Latest grant
- 4 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 5 |
| 2004 | 6 | 5 |
| 2005 | 3 | 6 |
| 2006 | 3 | 5 |
| 2007 | 7 | 19 |
| 2008 | 4 | 15 |
| 2009 | 15 | 4 |
| 2010 | 10 | 19 |
| 2011 | 10 | 12 |
| 2012 | 6 | 4 |
| 2013 | 3 | 6 |
| 2014 | 10 | 3 |
| 2015 | 5 | 9 |
| 2016 | 1 | 2 |
| 2017 | 5 | 3 |
| 2018 | 3 | 4 |
| 2019 | 0 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Home cardboard shredder4 Oct 2022US 11,458,479 B2
- Lottery ticket destroying device8 Jun 2021US 11,027,286 B2Saint-Fun International Ltd.
- Safety shredder with mechanical bin-full device30 Jun 2020US 10,695,770 B2Aurora Office Equipment Co., Ltd.Shanghai
- Shredder jam clear apparatus5 May 2020US 10,639,642 B2Aurora Office Equipment Co., Ltd.Shanghai
- Shredding machine3 Mar 2020US 10,576,476 B2ACCO Brands Corporation
- Home cardboard shredder27 Jan 2022US 2022/0023870 A1
- Lottery ticket destroying device23 Apr 2020US 2020/0122157 A1Saint-Fun International Ltd.
- Structure of lottery ticket destruction apparatus28 Mar 2019US 2019/0091697 A1Saint-Fun International Ltd.
- Safety shredder with mechanical bin-full device1 Nov 2018US 2018/0311677 A1Aurora Office Equipment Co., Ltd.Shanghai
- Paper shredder ac/dc motor controller22 Feb 2018US 2018/0050344 A1Aurora Office Equipment Co., Ltd.Shanghai
Most cited
By later US patents
- Process and apparatus for controlling the cutter of a shredder86US 5,772,129 ARicoh Elemex Corporation · 1998
- Paper shredder with switch-off retardation83US 5,167,374 AGeha-Werke GmbH · 1992
- Shredder with lock for on/off switch82US 7,040,559 B2Fellowes, Inc. · 2006
- Dual-functional medium shredding machine structure81US 6,550,701 B12003
- Safety switch for paper shredders69US 6,116,528 A2000