B42F 11/02
Engaging folds
Official title: engaging folds {(B42F11/04 takes precedence)}
B42F11/02 (Engaging folds) appears on 39 US grants and 9 published applications in this corpus.
Search patents in B42F- Granted patents
- 39
- Published applications
- 9
- Assignees
- 11
- Inventors
- 43
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Foldable file4 Mar 2025US 12,240,264 B2
- File10 Nov 2020US 10,828,927 B2King Jim Co., Ltd.
- Flexible book binding with interchangeable pages13 Sep 2016US 9,440,477 B2Wuka, LLC
- Hinge clip29 Mar 2016US 9,295,347 B2
- Device for holding sheets in a binder which form a folded stack29 Apr 2014US 8,708,372 B2X7 G.m.b.H.
Most cited
By later US patents
- Photograph album page, spine and system106US 6,540,260 B12003
- Electronic organizer attachment for binder or book40US 5,476,336 ACullman Ventures, Inc. · 1995
- Greeting card holding and displaying apparatus20US 4,852,280 A1989
- Magazine and directory cover and holder assembly19US 4,624,480 A1986
- Loose leaf binders18US 4,138,143 A1979