E04C 2/326
With corrugations, incisions or reliefs in more than one direction of the
Official title: {with corrugations, incisions or reliefs in more than one direction of the element}
E04C2/326 (With corrugations, incisions or reliefs in more than one direction of the) appears on 114 US grants and 94 published applications in this corpus.
Search patents in E04C- Granted patents
- 114
- Published applications
- 94
- Assignees
- 65
- Inventors
- 184
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 2 |
| 2004 | 2 | 4 |
| 2005 | 2 | 7 |
| 2006 | 2 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 3 | 4 |
| 2010 | 3 | 4 |
| 2011 | 4 | 4 |
| 2012 | 0 | 3 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 5 | 5 |
| 2016 | 2 | 5 |
| 2017 | 4 | 8 |
| 2018 | 4 | 3 |
| 2019 | 7 | 11 |
| 2020 | 4 | 3 |
| 2021 | 3 | 7 |
| 2022 | 4 | 3 |
| 2023 | 5 | 4 |
| 2024 | 1 | 0 |
| 2025 | 6 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Structural OSB panels with integrated rainscreen23 Dec 2025US 12,503,852 B2Louisiana-Pacific Corp.
- Construction panels having an integrated drainage mechanism, and associated assemblies and methods23 Sep 2025US 12,421,725 B2Georgia-Pacific Gypsum LLC
- Blow-molded plastic structures9 Sep 2025US 12,408,747 B2Lifetime Products, Inc.
- Modular wall panel with integrated channels24 Jun 2025US 12,338,626 B1
- Structural element27 May 2025US 12,312,124 B2Gridesic Holdings Limited
- Panels with integrated rainscreen30 Apr 2026US 2026/0117522 A1
- Construction panels having an integrated drainage mechanism, and associated assemblies and methods6 Jul 2023US 2023/0212854 A1Georgia-Pacific Gypsum LLC
- Folded architectural panel15 Jun 2023US 2023/0183971 A1Hunter Douglas Industries BV
- Structural osb panels with integrated rainscreen19 Jan 2023US 2023/0017991 A1Louisiana-Pacific Corp.
- High strength blow-molded structure5 Jan 2023US 2023/0000250 A1Dongguan Shichang Metals Factory Ltd.
Most cited
By later US patents
- Sheet-like sandwich molding144US 4,631,221 AHoechst Aktiengesellschaft · 1986
- Cellular core structure providing gridlike bearing surfaces on opposing parallel planes of the formed core102US 5,028,474 A1991
- Building structure and spacer used therein82US 6,786,013 B2Benjamin Obdyke Incorporated · 2004
- Profiled sheet metal building unit and method for making the same76US 4,962,622 AH. H. Robertson Company · 1990
- Structural member and composite panel including same75US 4,203,268 ATate Architectural Products, Inc. · 1980