B43M 7/008
Devices for opening envelopes: with a cylindrical cutter
Official title: {with a cylindrical cutter}
B43M7/008 (Devices for opening envelopes: with a cylindrical cutter) appears on 6 US grants and 3 published applications in this corpus.
Search patents in B43M- Granted patents
- 6
- Published applications
- 3
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 27 Dec 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for opening and sorting envelopes27 Dec 2016US 9,527,114 B2OPX Corporation
- Apparatus for opening and sorting envelopes30 Dec 2014US 8,919,570 B2Opex Corporation
- Mailpiece perforating/cutting system26 Sep 2006US 7,111,536 B2Pitney Bowes Inc.
- Letter opener26 Mar 1991US 5,001,833 A
- Device for opening envelopes or the like9 Jul 1985US 4,527,455 ADELTA-REAL Establishment
Most cited
By later US patents
- Device for opening envelopes or the like8US 4,527,455 ADELTA-REAL Establishment · 1985
- Apparatus for opening and sorting envelopes4US 8,919,570 B2Opex Corporation · 2014
- Letter opener3US 5,001,833 A1991
- Mailpiece perforating/cutting system3US 7,111,536 B2Pitney Bowes Inc. · 2006
- Apparatus and method for opening and sorting envelopes2US 9,527,114 B2OPX Corporation · 2016