B42D 3/004
Devices for protecting or reinforcing edges or corners of covers
Official title: {Devices for protecting or reinforcing edges or corners of covers (attaching said devices B42C7/007; for loose-leaf binders B42F13/004)}
B42D3/004 (Devices for protecting or reinforcing edges or corners of covers) appears on 9 US grants and 10 published applications in this corpus.
Search patents in B42D- Granted patents
- 9
- Published applications
- 10
- Assignees
- 1
- Inventors
- 23
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Book or booklet cover and a method of making a book or booklet cover11 Feb 2025US 12,220,936 B2Scanavo A/S
- Scrapbook binding for pages of variable thickness25 Apr 2017US 9,630,441 B1
- Apparatus and device for providing book protection26 Aug 2014US 8,814,214 B2
- Method for making corner protectors19 Nov 2002US 6,482,283 B2
- Corner protectors and method for making same1 May 2001US 6,224,955 B1
- A book or booklet cover and a method of making a book or booklet cover12 Oct 2023US 2023/0322009 A1Scanavo A/S
- Loose-leaf binder and process of producing same4 Nov 2021US 2021/0339549 A1
- Apparatus and device for providing book protection7 Jun 2012US 2012/0139228 A1
- Hardcover assembly arrangement and method9 Sep 2010US 2010/0226734 A1
- Sketchbook spine construction22 Jul 2010US 2010/0181752 A1
Most cited
By later US patents