B42D 15/08
Letter-cards or letter-sheets, i.e. cards or sheets each of which is to
Official title: Letter-cards or letter-sheets, i.e. cards or sheets each of which is to be folded with the message inside and to serve as its own envelope for mailing
B42D15/08 (Letter-cards or letter-sheets, i.e. cards or sheets each of which is to) appears on 303 US grants and 159 published applications in this corpus.
Search patents in B42D- Granted patents
- 303
- Published applications
- 159
- Assignees
- 123
- Inventors
- 445
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 13 | 0 |
| 1999 | 17 | 0 |
| 2000 | 23 | 0 |
| 2001 | 16 | 1 |
| 2002 | 11 | 13 |
| 2003 | 8 | 6 |
| 2004 | 3 | 7 |
| 2005 | 4 | 16 |
| 2006 | 4 | 7 |
| 2007 | 4 | 11 |
| 2008 | 2 | 7 |
| 2009 | 2 | 8 |
| 2010 | 7 | 17 |
| 2011 | 6 | 10 |
| 2012 | 6 | 6 |
| 2013 | 7 | 4 |
| 2014 | 2 | 4 |
| 2015 | 3 | 9 |
| 2016 | 6 | 5 |
| 2017 | 6 | 2 |
| 2018 | 4 | 5 |
| 2019 | 0 | 6 |
| 2020 | 5 | 4 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for integrating digital operations with a physical greeting card30 Sep 2025US 12,427,801 B1Mastercard International Incorporated
- Information-protected window send envelope with adhered inside address patch4 Jun 2024US 11,998,952 B2Broadridge Customer Communications, LLC
- Image forming system3 Oct 2023US 11,772,408 B2Canon Kabushiki Kaisha
- Information-protected window send envelope with adhered inside address patch11 Oct 2022US 11,465,182 B2Broadridge Customer Communications, LLC
- Letter envelope21 Sep 2021US 11,124,331 B2American Litho, Inc.
- Lens-less laser engraved motion image in look-through element4 Jun 2026US 2026/0152019 A1Idemia Identity & Security USA LLC
- Printed-matter sealing processing system and method and non-transitory computer readable medium29 Jan 2026US 2026/0029737 A1FUJIFILM Business Innovation Corp.
- Information-protected window send envelope with adhered inside address patch21 Aug 2025US 2025/0262646 A1Broadridge Customer Communications, LLC
- Information-protected window send envelope with adhered inside address patch26 Sep 2024US 2024/0316596 A1Broadridge Customer Communications, LLC
- Folding Panoramic Postcard28 Sep 2023US 2023/0302841 A1
Most cited
By later US patents
- Check insert and envelope159US 5,022,683 A1991
- Heat resistant adhesives for adhering mailer windows93US 5,648,143 AThe Standard Register Company · 1997
- Mailer intermediate or business form92US 5,595,404 AThe Standard Register Company · 1997
- Laminated mailer blank with transparent window90US 6,155,476 ALaser Substrates, Inc. · 2000
- System and method for manufacturing sealed packages78US 5,328,438 ARoll Systems, Inc. · 1994