E04H 7/065
Roof constructions
Official title: {roof constructions}
E04H7/065 (Roof constructions) appears on 25 US grants and 19 published applications in this corpus.
Search patents in E04H- Granted patents
- 25
- Published applications
- 19
- Assignees
- 18
- Inventors
- 43
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 4 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 3 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for constructing triple-shell tank15 Sep 2026US 12,735,248 B2Kawasaki Jukogyo Kabushiki Kaisha
- Large container and method for producing a large container24 Jun 2025US 12,338,060 B2XL Beteiligungen GmbH & Co. KG
- Method and system for replacing the fixed roof of a storage tank1 Apr 2025US 12,264,495 B1Petroleo Brasileiro S.A. - Petrobras
- Seal for cover on wastewater treatment tank9 Jan 2024US 11,866,251 B2Ovivo Inc.
- Floating roof assembly30 Nov 2021US 11,187,003 B2Jing Kai Industrial Co., Ltd.
- Method and system for replacing the fixed roof of a storage tank3 Jul 2025US 2025/0215720 A1Petroleo Brasileiro S.A. - Petrobras
- Method for constructing triple-shell tank20 Feb 2025US 2025/0058963 A1Kawasaki Jukogyo Kabushiki Kaisha
- Large container and method for producing a large container20 Jul 2023US 2023/0227247 A1XL Beteiligungen GmbH & Co. KG
- Seal for Cover on Wastewater Treatment Tank10 Nov 2022US 2022/0356007 A1Ovivo Inc.
- Floating roof assembly8 Jul 2021US 2021/0207392 A1Jing Kai Industrial Co., Ltd.
Most cited
By later US patents
- Tank cover structure19US 5,325,646 AHallsten Supply Co. · 1994
- Tank cover structure15US 5,911,662 AHallsten Corporation · 1999
- Tank or channel cover14US 5,617,677 AHallsten Corporation · 1997
- Side wall deck for grain bin11US 8,595,989 B1Greene Welding and Hardware, Inc. · 2013
- Deck for roof of grain bin10US 8,434,273 B1Greene Welding and Hardware, Inc. · 2013