B43M 7/007
Devices for opening envelopes: with cutting blades
Official title: {with cutting blades}
B43M7/007 (Devices for opening envelopes: with cutting blades) appears on 22 US grants and 30 published applications in this corpus.
Search patents in B43M- Granted patents
- 22
- Published applications
- 30
- Assignees
- 8
- Inventors
- 51
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 4 | 4 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutter tool20 Jan 2026US 12,528,217 B2
- Case unpacking system and method26 Mar 2024US 11,939,100 B2DLN Integrated Systems, Inc.
- Case unpacking system and method24 Jan 2023US 11,560,249 B2DLN Integrated Systems, Inc.
- Apparatus for opening and printing indicia upon envelopes6 Oct 2020US 10,792,933 B1Opex Corporation
- Safety envelope opener with anti-skip feature12 Jun 2018US 9,994,067 B2
Most cited
By later US patents
- Letter opener with protected recess for business card and removable slide-in cover55US 5,285,577 AQuick Point, Inc. · 1994
- Combined letter opener and sheet-like material cutter tool35US 6,003,181 APacific Handy Cutter, Inc. · 1999
- Letter opener30US 5,561,905 A1996
- Combined writing instrument clip and letter opener and writing instrument including the same21US 6,846,123 B12005
- Paper knife18US 5,809,656 A1998