B42D 3/04
Loose
Official title: loose
B42D3/04 (Loose) appears on 98 US grants and 78 published applications in this corpus.
Search patents in B42D- Granted patents
- 98
- Published applications
- 78
- Assignees
- 49
- Inventors
- 165
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 6 |
| 2004 | 1 | 3 |
| 2005 | 2 | 7 |
| 2006 | 1 | 3 |
| 2007 | 2 | 5 |
| 2008 | 1 | 12 |
| 2009 | 5 | 5 |
| 2010 | 5 | 6 |
| 2011 | 1 | 4 |
| 2012 | 2 | 4 |
| 2013 | 1 | 1 |
| 2014 | 2 | 5 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 3 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Loose-leaf notebook and binding structure thereof4 Feb 2025US 12,214,615 B2Shandong Vikko Paper Co., Ltd
- Flexible and durable bookbinding14 Apr 2020US 10,618,337 B2Woodpecker Laboratories, LLC
- Protective cover18 Feb 2020US 10,561,211 B2
- Rigid protection cover and closure2 Jul 2019US 10,336,120 B2
- Case for authenticated comic book14 May 2019US 10,286,714 B2
- 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.
- Bible Cover Purse14 May 2026US 2026/0130492 A1
- Loose-leaf notebook and binding structure thereof22 Aug 2024US 2024/0278593 A1Shandong Vikko Paper Co., Ltd
- Adjustable decorative book cover4 Nov 2021US 2021/0339550 A1
Most cited
By later US patents
- Fabric covered book cover64US 5,219,437 AThe Mead Corporation · 1993
- Album slip case with transparent display wall and display retainer40US 6,202,838 B12001
- Book cover28US 4,886,299 A1989
- Folder with rewritable surface for checkbooks and the like27US 4,566,721 ABuxton, Inc. · 1986
- Portfolio27US 4,832,372 AAmity Leather Products Co. · 1989