E04F 21/1655
For finishing corner joints
Official title: {for finishing corner joints}
E04F21/1655 (For finishing corner joints) appears on 188 US grants and 137 published applications in this corpus.
Search patents in E04F- Granted patents
- 188
- Published applications
- 137
- Assignees
- 64
- Inventors
- 253
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 7 |
| 2005 | 4 | 9 |
| 2006 | 1 | 5 |
| 2007 | 3 | 11 |
| 2008 | 3 | 10 |
| 2009 | 2 | 12 |
| 2010 | 7 | 6 |
| 2011 | 8 | 5 |
| 2012 | 5 | 4 |
| 2013 | 6 | 5 |
| 2014 | 2 | 2 |
| 2015 | 5 | 5 |
| 2016 | 5 | 6 |
| 2017 | 4 | 2 |
| 2018 | 4 | 5 |
| 2019 | 3 | 8 |
| 2020 | 10 | 6 |
| 2021 | 4 | 6 |
| 2022 | 4 | 7 |
| 2023 | 1 | 6 |
| 2024 | 6 | 2 |
| 2025 | 6 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plasterboard finishing tools21 Apr 2026US 12,607,023 B2Tape-Pro Drywall Tools Pty Limited
- Joint strip for reinforcement of drywall panel joints25 Nov 2025US 12,480,312 B2Knauf Gips KG
- Wall sanding apparatus11 Nov 2025US 12,467,268 B2
- Methods and apparatus for drywall tools26 Aug 2025US 12,398,572 B1Exceptional IP Holdings, LLC
- Roller for use in plasterboard finishing15 Apr 2025US 12,276,120 B2Tape-Pro Drywall Tools Ply Limited
- Pneumatic Assisted Applicator For Drywall Tape1 Oct 2026US 2026/0297964 A1
- Tools and Methods for Finishing Caulk-type Sealant13 Aug 2026US 2026/0234945 A1
- Outside corner finishing tool5 Mar 2026US 2026/0062925 A1Ames Tools Corporation
- Smoothing Tool for Finishing a Joint Filled with a Joint Compound22 Jan 2026US 2026/0021605 A1Henkel AG & Co. KGaA
- Composite corner finishing strip24 Jul 2025US 2025/0237070 A1Phillips Manufacturing Co.
Most cited
By later US patents
- Nozzle for injecting a sealant into a crack91US 5,257,486 AAdhesives Technology Corporation 1987 · 1993
- Telescoping extension rod having pivotably adjustable tool head77US 5,099,539 A1992
- Caulk bead removal tool66US 6,035,536 AVancouver Tool Corporation · 2000
- Drywall taping and texture system using bladder pump with pneumatic flip/flop logic remote control57US 6,712,238 B1Spraytex, Inc. · 2004
- Filleting attachment for a caulking gun49US 5,017,113 A1991