B42D 3/00
Book covers
Official title: Book covers (loose-leaf binders B42F)
B42D3/00 (Book covers) appears on 664 US grants and 597 published applications in this corpus.
Search patents in B42D- Granted patents
- 664
- Published applications
- 597
- Assignees
- 323
- Inventors
- 1,122
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 11 | 0 |
| 1978 | 6 | 0 |
| 1979 | 11 | 0 |
| 1980 | 3 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 11 | 0 |
| 1985 | 8 | 0 |
| 1986 | 17 | 0 |
| 1987 | 12 | 0 |
| 1988 | 16 | 0 |
| 1989 | 21 | 0 |
| 1990 | 18 | 0 |
| 1991 | 22 | 0 |
| 1992 | 15 | 0 |
| 1993 | 14 | 0 |
| 1994 | 10 | 0 |
| 1995 | 26 | 0 |
| 1996 | 13 | 0 |
| 1997 | 17 | 0 |
| 1998 | 18 | 0 |
| 1999 | 13 | 0 |
| 2000 | 20 | 0 |
| 2001 | 19 | 13 |
| 2002 | 10 | 16 |
| 2003 | 8 | 25 |
| 2004 | 15 | 32 |
| 2005 | 16 | 45 |
| 2006 | 10 | 17 |
| 2007 | 15 | 38 |
| 2008 | 16 | 39 |
| 2009 | 14 | 40 |
| 2010 | 21 | 42 |
| 2011 | 14 | 34 |
| 2012 | 14 | 24 |
| 2013 | 12 | 29 |
| 2014 | 14 | 33 |
| 2015 | 14 | 24 |
| 2016 | 14 | 24 |
| 2017 | 10 | 13 |
| 2018 | 14 | 17 |
| 2019 | 17 | 15 |
| 2020 | 14 | 14 |
| 2021 | 10 | 19 |
| 2022 | 10 | 11 |
| 2023 | 9 | 12 |
| 2024 | 4 | 5 |
| 2025 | 8 | 5 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B42D 3/12Combined with other articles301
- B42D 3/002Covers or strips provided with adhesive for binding113
- B42D 3/04Loose98
- B42D 3/02Made of special materials54
- B42D 3/18Book covers: other accessories38
- B42D 3/06Book covers: with hinges30
- B42D 3/10Book covers: with locks or closures30
- B42D 3/08Ornamented covers17
Recent patents
- Stationery organizer5 May 2026US 12,617,225 B2
- Paper-based planning and journaling system and method5 May 2026US 12,619,298 B2
- Device for receiving and identifying a book and its pages24 Mar 2026US 12,585,355 B2Bugali
- Layer structure for producing a hinge, in particular for producing multi-layered book covers17 Mar 2026US 12,576,625 B2Covestro Deutschland AG
- Book binding assembly28 Oct 2025US 12,454,146 B2Powis Parker Inc.
- Book annotation system10 Sep 2026US 2026/0264441 A1Archetype Associates dba Designers & Books
- Removable Book Edge Print27 Aug 2026US 2026/0249636 A1The Books Edge LLC
- Jacket for a cover and method for applying it13 Aug 2026US 2026/0233546 A1Peleman Industries NV
- Apparatus and method for constructing a hard book cover30 Jul 2026US 2026/0217047 A1GP2 Technologies, Inc.
- Clip and Post for Switchable Notebook Covers and Accessories30 Jul 2026US 2026/0217048 A1
Most cited
By later US patents
- Method and apparatus for accessing electronic data via a familiar printed medium159US 6,866,196 B12005
- Electronic book149US 5,417,575 A1995
- Apparatus for combining audio and visual indicia146US 5,484,292 A1996
- Method and apparatus for accessing electronic data via a familiar printed medium140US 6,824,057 B22004
- Electronic book132US 5,167,508 A1992