E04C 2/322
With parallel corrugations
Official title: {with parallel corrugations}
E04C2/322 (With parallel corrugations) appears on 180 US grants and 176 published applications in this corpus.
Search patents in E04C- Granted patents
- 180
- Published applications
- 176
- Assignees
- 112
- Inventors
- 299
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 3 |
| 2004 | 3 | 4 |
| 2005 | 2 | 5 |
| 2006 | 0 | 4 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 5 | 7 |
| 2010 | 3 | 5 |
| 2011 | 2 | 4 |
| 2012 | 8 | 6 |
| 2013 | 7 | 10 |
| 2014 | 3 | 7 |
| 2015 | 5 | 5 |
| 2016 | 3 | 7 |
| 2017 | 7 | 14 |
| 2018 | 7 | 9 |
| 2019 | 16 | 21 |
| 2020 | 11 | 9 |
| 2021 | 4 | 15 |
| 2022 | 10 | 12 |
| 2023 | 9 | 8 |
| 2024 | 11 | 6 |
| 2025 | 9 | 5 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for aligning corrugated decking18 Aug 2026US 12,709,907 B2Innovatech Systems, LLC
- Modular building construction4 Aug 2026US 12,698,632 B2L2U Group Pty Ltd
- Composite element and method of manufacturing the same2 Jun 2026US 12,643,297 B2Patria Aerostructures Oy
- Panel structure manufacturing device and panel structure manufacturing method2 Jun 2026US 12,644,282 B2Mitsubishi Heavy Industries, Ltd.
- Dovetail decking system with a full top flange sidelap and method of securing20 Jan 2026US 12,529,221 B2Verco Decking, Inc.
- Modular construction and structural panels therefor23 Jul 2026US 2026/0210113 A1
- Building structure and methods of assembly thereof28 May 2026US 2026/0146440 A1
- Dovetail decking system with a full top flange sidelap and method of securing21 May 2026US 2026/0139468 A1Verco Decking, Inc.
- Modular wall panel with integrated channels25 Dec 2025US 2025/0389118 A1
- Method And Tool for Joining Side-Lapped Seams Of Steel Deck Panels And Steel Deck Structure Incorporating Interlocking Side-Lapped Seams6 Mar 2025US 2025/0075498 A1New Millennium Building Systems, LLC
Most cited
By later US patents
- Modular panel for mold94US 4,695,033 AShin Nihon Kohan Co., Ltd. · 1987
- Profiled sheet metal building unit and method for making the same76US 4,962,622 AH. H. Robertson Company · 1990
- Curved cap corrugated sheet69US 4,472,473 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1984
- Corrugated panel structure64US 5,619,837 A1997
- Highly filled substantially solid polyurethane, urea and isocyannurate composites for indoor and outdoor applications, for load bearing, structural and decorative products62US 5,053,274 A1991