B42F 19/00
File cards
Official title: File cards (B42F21/00 takes precedence; punched cards for information retrieval, e.g. for manual use, G06K21/00)
B42F19/00 (File cards) appears on 35 US grants and 21 published applications in this corpus.
Search patents in B42F- Granted patents
- 35
- Published applications
- 21
- Assignees
- 7
- Inventors
- 45
- Latest grant
- 15 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 2 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Stacking device and method for sorting15 Nov 2022US 11,498,794 B2Horizon International Inc.
- Folder storage with reference apparatus28 Jun 2022US 11,370,242 B2ASI Business Group
- Visual aiding organizational notebook and performance-based reward system and method for students12 Oct 2021US 11,142,017 B2
- Visually enhanced tab file system20 Oct 2020US 10,807,404 B2Smead Manufacturing Company
- Sample storage assembly1 Sep 2020US 10,759,215 B1
- Stacking device and method for sorting22 Apr 2021US 2021/0114837 A1Horizon International Inc.
- Visually Enhanced Tab File System28 May 2020US 2020/0164676 A1Smead Manufacturing Company
- Visual Aiding Organizational Notebook and Performance-Based Reward System and Method for Students7 May 2020US 2020/0139746 A1
- Folder storage with reference apparatus5 Mar 2020US 2020/0070567 A1ASI Business Group
- Document case and template with decorative cover12 Dec 2019US 2019/0375228 A1
Most cited
By later US patents