B42D 9/00
Bookmarkers
Official title: Bookmarkers; Spot indicators; Devices for holding books open (combined with covers B42D3/16, indexing tabs for sheets B42F21/00); Leaf turners
B42D9/00 (Bookmarkers) appears on 421 US grants and 322 published applications in this corpus.
Search patents in B42D- Granted patents
- 421
- Published applications
- 322
- Assignees
- 118
- Inventors
- 695
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 10 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 13 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 15 | 0 |
| 1995 | 16 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 1 |
| 2002 | 9 | 8 |
| 2003 | 6 | 12 |
| 2004 | 10 | 16 |
| 2005 | 9 | 21 |
| 2006 | 8 | 17 |
| 2007 | 5 | 23 |
| 2008 | 6 | 21 |
| 2009 | 9 | 21 |
| 2010 | 13 | 17 |
| 2011 | 8 | 23 |
| 2012 | 11 | 15 |
| 2013 | 6 | 8 |
| 2014 | 10 | 21 |
| 2015 | 9 | 9 |
| 2016 | 11 | 14 |
| 2017 | 9 | 11 |
| 2018 | 11 | 11 |
| 2019 | 7 | 17 |
| 2020 | 8 | 7 |
| 2021 | 5 | 9 |
| 2022 | 4 | 7 |
| 2023 | 9 | 3 |
| 2024 | 2 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Removable Book Edge Print27 Aug 2026US 2026/0249636 A1The Books Edge LLC
- Image reading device9 Jul 2026US 2026/0197411 A1Seiko Epson Corporation
- Chapter Chambers: Thematic Book Integrated Compartmentalized14 May 2026US 2026/0131590 A1
- Adjustable book clamp2 Oct 2025US 2025/0303773 A1Guangzhou Youxiang Cultural Supplies Co.,Ltd
- Pop-up page marking tool4 Sep 2025US 2025/0276541 A1LovePop, Inc.
Most cited
By later US patents
- Magnetic pole layout method and a magnetizing device for double-wing opposite attraction soft magnet and a product thereof126US 6,927,657 B12005
- Foldable support stand74US 4,555,128 A1985
- Passport production system and method61US 6,783,067 B2DataCard Corporation · 2004
- Page-turning apparatus60US 4,593,597 A1986
- Reusable indexing tab60US 5,199,203 A1993