B42F 21/02
Tabs integral with sheets, papers, cards, or suspension files
B42F21/02 (Tabs integral with sheets, papers, cards, or suspension files) appears on 119 US grants and 128 published applications in this corpus.
Search patents in B42F- Granted patents
- 119
- Published applications
- 128
- Assignees
- 51
- Inventors
- 223
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 7 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 8 |
| 2003 | 5 | 4 |
| 2004 | 7 | 6 |
| 2005 | 2 | 5 |
| 2006 | 2 | 2 |
| 2007 | 1 | 7 |
| 2008 | 0 | 7 |
| 2009 | 5 | 13 |
| 2010 | 2 | 11 |
| 2011 | 7 | 9 |
| 2012 | 5 | 13 |
| 2013 | 9 | 3 |
| 2014 | 2 | 11 |
| 2015 | 6 | 2 |
| 2016 | 6 | 9 |
| 2017 | 3 | 2 |
| 2018 | 4 | 5 |
| 2019 | 7 | 1 |
| 2020 | 1 | 3 |
| 2021 | 2 | 0 |
| 2022 | 0 | 3 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Folder folder5 Aug 2025US 12,377,676 B2ACCO Brands Corporation
- Food storage labeling device15 Apr 2025US 12,275,552 B2
- Sheet dividers with multiple rows of offset tabs19 Sep 2023US 11,760,121 B2CCL Label, Inc.
- Sheet dividers with multiple rows of offset tabs27 Jun 2023US 11,685,184 B2CCL Label, Inc.
- Sheet dividers with multiple rows of offset tabs23 Nov 2021US 11,179,961 B2CCL Label, Inc.
- Folder30 Apr 2026US 2026/0116117 A1Shenzhen Chuhaibiaogan Technology Co., Ltd
- Post-processing apparatus and booklet9 Oct 2025US 2025/0313030 A1Gradco (Japan) Ltd.
- Food Storage Labeling Device12 Dec 2024US 2024/0409265 A1
- Gamebook with a spinner mechanic29 Sep 2022US 2022/0305838 A1
- Sheet dividers with multiple rows of offset tabs29 Sep 2022US 2022/0305839 A1CCL Label, Inc.
Most cited
By later US patents
- Information reference book and indexing system84US 4,696,491 A1987
- User printable tab sheet or card construction69US 5,996,130 AAvery Dennison Corporation · 1999
- Method for customizing index divider sets relative to a table of contents sheet66US 5,503,435 AAvery Dennison Corporation · 1996
- Two-position tab62US 8,443,534 B2Esselte N.V. · 2013
- File indexing system50US 5,540,513 AThe Mead Corporation · 1996