B43M 5/042
For envelopes with only one flap
Official title: {for envelopes with only one flap}
B43M5/042 (For envelopes with only one flap) appears on 183 US grants and 103 published applications in this corpus.
Search patents in B43M- Granted patents
- 183
- Published applications
- 103
- Assignees
- 58
- Inventors
- 279
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 2 |
| 2002 | 6 | 6 |
| 2003 | 4 | 10 |
| 2004 | 7 | 9 |
| 2005 | 8 | 4 |
| 2006 | 5 | 6 |
| 2007 | 0 | 7 |
| 2008 | 4 | 10 |
| 2009 | 1 | 6 |
| 2010 | 5 | 3 |
| 2011 | 4 | 4 |
| 2012 | 7 | 2 |
| 2013 | 4 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 3 |
| 2016 | 1 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 4 |
| 2023 | 0 | 8 |
| 2024 | 7 | 5 |
| 2025 | 9 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Paper folding device9 Dec 2025US 12,492,096 B2Duplo Seiko Corporation
- Envelope processing apparatus and image forming system26 Aug 2025US 12,397,580 B2Ricoh Company, Ltd.
- Enclosing device, enclosing-sealing apparatus, and image forming system29 Jul 2025US 12,372,911 B2Ricoh Company, Ltd.
- Integrated envelope sealer and flip module15 Jul 2025US 12,358,319 B2DMT Solutions Global Corporation
- Envelope processing apparatus and image forming system8 Jul 2025US 12,350,957 B2Ricoh Company, Ltd.
- Integrated envelope sealer and flip module12 Feb 2026US 2026/0042314 A1DMT Solutions Global Corporation
- Enclosing device, enclosing-and-sealing apparatus, and image forming system17 Apr 2025US 2025/0121626 A1Ricoh Company, Ltd.
- Paper folding device19 Sep 2024US 2024/0308812 A1Duplo Seiko Corporation
- Integrated envelope sealer and flip module6 Jun 2024US 2024/0181800 A1DMT Solutions Global Corporation
- Envelope processing apparatus, enclosing-sealing apparatus, and image forming system2 May 2024US 2024/0140132 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Envelope flap sealing device30US 4,450,037 APitney Bowes Inc. · 1984
- Envelope inserting apparatus29US 6,094,894 APitney Bowes Inc. · 2000
- Folding/inserting machine incorporating a separate path for inserts29US 6,226,959 B1Neopost Industrie · 2001
- Document collating and envelope stuffing apparatus28US 4,169,341 APitney Bowes Inc. · 1979
- Automatic envelope sealing device28US 4,609,421 ASilver Seiko Ltd. · 1986