B42F 15/0052
For suspending stacks of temporarily bound sheets
Official title: {for suspending stacks of temporarily bound sheets}
B42F15/0052 (For suspending stacks of temporarily bound sheets) appears on 76 US grants and 28 published applications in this corpus.
Search patents in B42F- Granted patents
- 76
- Published applications
- 28
- Assignees
- 40
- Inventors
- 121
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 3 | 4 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 4 | 3 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Rods for use with hanging file holders3 Dec 2024US 12,157,332 B2TOPS Products LLC
- Rods for use with hanging file holders19 Dec 2023US 11,845,297 B2TOPS Products LLC
- Folder storage with reference apparatus28 Jun 2022US 11,370,242 B2ASI Business Group
- Rods for use with hanging file holders3 May 2022US 11,318,776 B2TOPS Products LLC
- Rods for use with hanging file holders2 Mar 2021US 10,933,682 B2TOPS Products LLC
- Rods for use with hanging file holders13 Jun 2024US 2024/0190163 A1TOPS Products LLC
- Rods for use with hanging file holders21 Jul 2022US 2022/0227162 A1TOPS Products LLC
- Notebook hanger3 Jun 2021US 2021/0162796 A1World Wide Stationery Mfg. Co., Ltd.
- Rods for use with hanging file holders20 May 2021US 2021/0146713 A1TOPS Products LLC
- Rods for use with hanging file holders4 Jun 2020US 2020/0171876 A1Lsc Communications US, LLC
Most cited
By later US patents
- Filling device for papers69US 3,993,374 ARobert Krause GmbH & Co. KG · 1976
- Suspension files and binders47US 4,400,107 ADennison Manufacturing Company · 1983
- Suspension file folder37US 3,957,321 AAcco International Inc. · 1976
- Booklet and document filing device37US 5,197,762 A1993
- Booklet filing device32US 5,722,692 A1998