E04C 2/528
Impervious or hermetic panels not otherwise provided for
Official title: {Impervious or hermetic panels not otherwise provided for}
E04C2/528 (Impervious or hermetic panels not otherwise provided for) appears on 57 US grants and 58 published applications in this corpus.
Search patents in E04C- Granted patents
- 57
- Published applications
- 58
- Assignees
- 30
- Inventors
- 98
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 4 |
| 2016 | 3 | 5 |
| 2017 | 3 | 5 |
| 2018 | 4 | 5 |
| 2019 | 8 | 8 |
| 2020 | 7 | 7 |
| 2021 | 4 | 4 |
| 2022 | 3 | 5 |
| 2023 | 4 | 5 |
| 2024 | 4 | 1 |
| 2025 | 4 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sandwich panel19 May 2026US 12,631,022 B2Kukmin Enterprise Co., Ltd
- Structural OSB panels with integrated rainscreen23 Dec 2025US 12,503,852 B2Louisiana-Pacific Corp.
- Warp resistant panels7 Oct 2025US 12,434,267 B2Dirtt Environmental Solutions Ltd.
- Structural fire- and water-resistant panels, and manufacturing methods therefor9 Sep 2025US 12,410,609 B2Huber Engineered Woods LLC
- Humidity and sag resistant building panel28 Jan 2025US 12,208,602 B2AWI Licensing LLC
- Cementitious product comprising a branched channel9 Jul 2026US 2026/0193894 A1
- Panels with integrated rainscreen30 Apr 2026US 2026/0117522 A1
- Warp resistant panels26 Feb 2026US 2026/0054289 A1Dirtt Environmental Solutions Ltd.
- Structural fire- and water-resistant panels, and manufacturing methods therefor5 Feb 2026US 2026/0035910 A1Huber Engineered Woods LLC
- Clay containing protective coatings13 Feb 2025US 2025/0051586 A1Armstrong World Industries, Inc.
Most cited
By later US patents
- Interlocking modular building panel with sealing strip163US 4,186,539 AUnited McGill Corporation · 1980
- Building panel and method of fabrication60US 4,788,808 A1988
- Foam board with pre-applied sealing material32US 9,476,202 B2Owens Corning Intellectual Capital, LLC · 2016
- Protection membrane21US 4,789,578 APremier Coatings Limited · 1988
- Moisture-imprevious panel capable of delayed hydration21US 5,053,265 AAmerican Colloid Company · 1991