B42F 3/003
Perforated or punched sheets
Official title: {Perforated or punched sheets}
B42F3/003 (Perforated or punched sheets) appears on 122 US grants and 105 published applications in this corpus.
Search patents in B42F- Granted patents
- 122
- Published applications
- 105
- Assignees
- 61
- Inventors
- 225
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 3 |
| 2003 | 1 | 4 |
| 2004 | 4 | 3 |
| 2005 | 1 | 1 |
| 2006 | 3 | 3 |
| 2007 | 3 | 4 |
| 2008 | 1 | 5 |
| 2009 | 2 | 2 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 1 | 11 |
| 2014 | 1 | 7 |
| 2015 | 4 | 11 |
| 2016 | 11 | 14 |
| 2017 | 3 | 5 |
| 2018 | 12 | 11 |
| 2019 | 10 | 2 |
| 2020 | 3 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 4 |
| 2023 | 2 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Adaptable size threaded fastening system for flip books7 Jan 2025US 12,187,067 B1
- Instrument component organizer4 Jun 2024US 11,999,182 B2Agilent Technologies, Inc.
- Modular notebook system17 Oct 2023US 11,787,219 B2Rocket Innovations, Inc.
- Folder savers10 Jan 2023US 11,548,312 B2
- Coupling device11 Oct 2022US 11,465,435 B2ACCO Brands Corporation
- Modular notebook system21 Dec 2023US 2023/0406024 A1Rocket Innovations, Inc.
- Punch-hole sketches to boost lower-arm muscles and fine motor-skills of kids16 Mar 2023US 2023/0083272 A1
- Nstrument component organizer12 Jan 2023US 2023/0011549 A1Agilent Technologies, Inc.
- Shelf tag identification system16 Jun 2022US 2022/0189345 A1Grandville Printing Company
- Coupling device12 May 2022US 2022/0144007 A1ACCO Brands Corporation
Most cited
By later US patents
- Information management system58US 5,333,908 AMemorybank, Inc. · 1994
- Notebook system40US 5,553,959 A1996
- Hole puncher and reinforcer35US 6,789,593 B12004
- Filing strip33US 4,127,690 AMeteor-Siegen Apparatbau Paul Schmeck · 1978
- Sliding ring mount for a pocket binder32US 5,186,565 ADay Runner, Inc. · 1993