B27F
Dovetailed work
Official title: DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES (hand-held nailing or stapling tools B25C; manufacture of cases, trunks or boxes from wood B27M3/34; connections for building structures in general, e.g. dowels for use in building constructions E04B1/38; jointing elements in general, e.g. dowels in general, F16B {; manufacture of long strips or planks by bonding together pieces of wood, e.g. by glueing, B27M3/0013})
B27F (Dovetailed work) appears on 1,497 US grants and 898 published applications in this corpus.
Search patents in B27F- Granted patents
- 1,497
- Published applications
- 898
- Assignees
- 475
- Inventors
- 1,689
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 36 | 0 |
| 1978 | 27 | 0 |
| 1979 | 15 | 0 |
| 1980 | 24 | 0 |
| 1981 | 24 | 0 |
| 1982 | 20 | 0 |
| 1983 | 23 | 0 |
| 1984 | 29 | 0 |
| 1985 | 21 | 0 |
| 1986 | 34 | 0 |
| 1987 | 22 | 0 |
| 1988 | 21 | 0 |
| 1989 | 37 | 0 |
| 1990 | 31 | 0 |
| 1991 | 35 | 0 |
| 1992 | 36 | 0 |
| 1993 | 25 | 0 |
| 1994 | 27 | 0 |
| 1995 | 28 | 0 |
| 1996 | 23 | 0 |
| 1997 | 23 | 0 |
| 1998 | 39 | 0 |
| 1999 | 41 | 0 |
| 2000 | 49 | 0 |
| 2001 | 29 | 15 |
| 2002 | 26 | 28 |
| 2003 | 48 | 49 |
| 2004 | 41 | 64 |
| 2005 | 40 | 56 |
| 2006 | 48 | 69 |
| 2007 | 23 | 35 |
| 2008 | 20 | 54 |
| 2009 | 27 | 36 |
| 2010 | 62 | 42 |
| 2011 | 34 | 31 |
| 2012 | 30 | 21 |
| 2013 | 31 | 31 |
| 2014 | 18 | 27 |
| 2015 | 20 | 18 |
| 2016 | 27 | 17 |
| 2017 | 23 | 25 |
| 2018 | 11 | 42 |
| 2019 | 20 | 30 |
| 2020 | 44 | 34 |
| 2021 | 26 | 36 |
| 2022 | 33 | 25 |
| 2023 | 26 | 27 |
| 2024 | 23 | 35 |
| 2025 | 31 | 32 |
| 2026 | 16 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Systems and methods for pre-plating structural members18 Aug 2026US 12,709,022 B2Builders FirstSource, Inc.
- Stapler28 Jul 2026US 12,691,604 B2Max Co., Ltd.
- Method of manufacturing nail-laminated timber (NLT) and machine therefor14 Jul 2026US 12,678,994 B21000110154 Ontario Inc.
- Assembly table drop-down platform30 Jun 2026US 12,667,924 B2Builders FirstSource, Inc.
- Lumber assembly and finishing system26 May 2026US 12,636,809 B2Columbia Insurance Company
- Automated systems and methods for truss assemblies in the construction of modular buildings1 Oct 2026US 2026/0295896 A1Buildz, LLC
- Assembly table drop-down platform17 Sep 2026US 2026/0273679 A1Builders FirstSource, Inc.
- Lumber assembly and finishing system3 Sep 2026US 2026/0257394 A1Columbia Insurance Company
- Joints with high velocity induced metallurgical bonds27 Aug 2026US 2026/0249345 A1Battelle Memorial Institute
- Apparatus for Splicing Lumber23 Jul 2026US 2026/0208388 A1Superior Trusses, LLC
Most cited
By later US patents
- Self-filling staple fastener1,488US 5,772,379 A1998
- Electric stapler1,473US 7,083,073 B2Max Co., Ltd. · 2006
- Staple refill, stapler and cartridge1,456US 7,748,587 B2Max Co., Ltd. · 2010
- Electric stapler and operation method of electric stapler1,022US 8,371,393 B2Max Co., Ltd. · 2013
- Staple detecting mechanism of electric stapler794US 7,048,165 B2Max Co., Ltd. · 2006