E04F 21/1657
For applying tape to joints
Official title: {for applying tape to joints, e.g. drywall taper tools}
E04F21/1657 (For applying tape to joints) appears on 139 US grants and 126 published applications in this corpus.
Search patents in E04F- Granted patents
- 139
- Published applications
- 126
- Assignees
- 55
- Inventors
- 203
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 3 |
| 2003 | 5 | 3 |
| 2004 | 1 | 5 |
| 2005 | 2 | 8 |
| 2006 | 0 | 4 |
| 2007 | 2 | 3 |
| 2008 | 2 | 5 |
| 2009 | 2 | 6 |
| 2010 | 7 | 3 |
| 2011 | 4 | 7 |
| 2012 | 2 | 2 |
| 2013 | 4 | 2 |
| 2014 | 5 | 3 |
| 2015 | 1 | 3 |
| 2016 | 3 | 4 |
| 2017 | 1 | 1 |
| 2018 | 3 | 10 |
| 2019 | 6 | 9 |
| 2020 | 14 | 9 |
| 2021 | 6 | 9 |
| 2022 | 5 | 8 |
| 2023 | 2 | 6 |
| 2024 | 7 | 4 |
| 2025 | 5 | 4 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure sensitive adhesive joint support8 Sep 2026US 12,729,547 B2CertainTeed Gypsum, Inc.
- Automatic drywall compound and drywall tape applicator28 Jul 2026US 12,692,711 B2
- Joint support including encapsulated adhesive14 Jul 2026US 12,680,318 B2CertainTeed Gypsum, Inc.
- Plasterboard finishing tools21 Apr 2026US 12,607,023 B2Tape-Pro Drywall Tools Pty Limited
- Automated drywall painting system and method1 Jul 2025US 12,345,057 B2Canvas Construction, Inc.
- Joint support including encapsulated adhesive1 Oct 2026US 2026/0297962 A1
- Pneumatic Assisted Applicator For Drywall Tape1 Oct 2026US 2026/0297964 A1
- Device for applying a tape23 Jul 2026US 2026/0210134 A1Rokntools
- Construction workstation with rotatable platform and ceiling panel installation platform16 Jul 2026US 2026/0201709 A1
- Hand tool and method of construction14 May 2026US 2026/0131447 A1Level 5 Tools, LLC
Most cited
By later US patents
- Telescoping extension rod having pivotably adjustable tool head77US 5,099,539 A1992
- Drywall taping and texture system using bladder pump with pneumatic flip/flop logic remote control57US 6,712,238 B1Spraytex, Inc. · 2004
- Tool for finishing taped dry wall joints47US 4,592,797 A1986
- Self-contained dry wall taper35US 4,086,121 A1978
- Tape applicator32US 4,707,202 ASwenco Limited · 1987