B65H 3/28
Separating articles from piles: by screw or like separators
Official title: by screw or like separators
B65H3/28 (Separating articles from piles: by screw or like separators) appears on 27 US grants and 12 published applications in this corpus.
Search patents in B65H- Granted patents
- 27
- Published applications
- 12
- Assignees
- 19
- Inventors
- 35
- Latest grant
- 26 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Auto-adjusting paper separation mechanism26 Apr 2022US 11,312,590 B2Foxlink Image Technology Co., Ltd.
- Shredder with paper separation and advancement mechanism25 Jan 2022US 11,229,914 B2Fellowes, Inc.
- Shredder with paper separation and advancement mechanism17 Sep 2019US 10,413,909 B2Fellowes, Inc.
- Shredder with paper separation and advancement mechanism27 Aug 2019US 10,391,502 B2Fellowes, Inc.
- Shredder with paper separation and advancement mechanism9 Aug 2016US 9,409,182 B2Fellowes, Inc.
- Media feeding device and image forming apparatus17 Oct 2024US 2024/0343511 A1Ricoh Company, Ltd.
- Auto-adjusting paper separation mechanism26 Aug 2021US 2021/0261364 A1Foxlink Image Technology Co., Ltd.
- Shredder with paper separation and advancement mechanism28 Nov 2019US 2019/0358642 A1Fellowes, Inc.
- Shredder with paper separation and advancement mechanism5 Jan 2017US 2017/0001199 A1Fellowes, Inc.
- Shredder with paper separation and advancement mechanism24 Nov 2016US 2016/0339444 A1Fellowes, Inc.
Most cited
By later US patents
- Envelope feeding system and speed control for mail sorting machines36US 4,595,188 ABell & Howell Company · 1986
- High speed carton feeder29US 4,582,315 AR. A. Jones & Co. Inc. · 1986
- Apparatus and method for individually printing signatures during delivery to a binding line conveyor22US 5,005,815 AR. R. Donnelley & Sons Company · 1991
- Envelope feeding mechanism for mail sorting machines19US 4,621,798 ABell & Howell Company · 1986
- High speed carton feeder18US 4,429,864 AR. A. Jones & Co. Inc. · 1984