E04F 21/0046
Implements for finishing work on buildings: for reshaping butt joints between adjacent
Official title: {for reshaping butt joints between adjacent panels, e.g. drywall panels (E04F21/165 takes precedence)}
E04F21/0046 (Implements for finishing work on buildings: for reshaping butt joints between adjacent) appears on 13 US grants and 18 published applications in this corpus.
Search patents in E04F- Granted patents
- 13
- Published applications
- 18
- Assignees
- 3
- Inventors
- 20
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 9 |
| 2019 | 1 | 0 |
| 2020 | 7 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year.
Recent patents
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- Automated drywall painting system and method23 Oct 2025US 2025/0327317 A1Canvas Construction, Inc.
- Automated drywall planning system and method30 Jan 2025US 2025/0034886 A1Canvas Construction, Inc.
- Automated drywall planning system and method23 Feb 2023US 2023/0055480 A1Canvas Construction, Inc.
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Most cited
By later US patents
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- Automated drywall cutting and hanging system and method6US 10,526,799 B2Canvas Construction, Inc. · 2020
- Automated drywall sanding system and method6US 10,718,119 B2Canvas Construction, Inc. · 2020