B27F 7/38
Staple feeding devices
B27F7/38 (Staple feeding devices) appears on 140 US grants and 106 published applications in this corpus.
Search patents in B27F- Granted patents
- 140
- Published applications
- 106
- Assignees
- 23
- Inventors
- 110
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 4 |
| 2002 | 3 | 8 |
| 2003 | 9 | 2 |
| 2004 | 4 | 11 |
| 2005 | 9 | 10 |
| 2006 | 9 | 13 |
| 2007 | 11 | 1 |
| 2008 | 4 | 7 |
| 2009 | 5 | 4 |
| 2010 | 4 | 4 |
| 2011 | 7 | 4 |
| 2012 | 0 | 3 |
| 2013 | 6 | 7 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 5 | 0 |
| 2017 | 4 | 4 |
| 2018 | 0 | 5 |
| 2019 | 1 | 5 |
| 2020 | 8 | 4 |
| 2021 | 6 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 5 |
| 2025 | 3 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
Most cited
By later US patents
- Electric stapler1,473US 7,083,073 B2Max Co., Ltd. · 2006
- Staple refill, stapler and cartridge1,456US 7,748,587 B2Max Co., Ltd. · 2010
- Staple detecting mechanism of electric stapler794US 7,048,165 B2Max Co., Ltd. · 2006
- Residual staple amount detection device of electric stapler112US 7,240,817 B2Max Co., Ltd. · 2007
- Stapler cartridge and stapler apparatus comprising the same66US 6,913,181 B2ACCO Brands Corporation · 2005