E04C 2/3405
Spaced apart by profiled spacer sheets
Official title: {spaced apart by profiled spacer sheets}
E04C2/3405 (Spaced apart by profiled spacer sheets) appears on 226 US grants and 257 published applications in this corpus.
Search patents in E04C- Granted patents
- 226
- Published applications
- 257
- Assignees
- 137
- Inventors
- 423
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 3 |
| 2002 | 4 | 10 |
| 2003 | 5 | 10 |
| 2004 | 2 | 9 |
| 2005 | 3 | 13 |
| 2006 | 5 | 15 |
| 2007 | 6 | 3 |
| 2008 | 2 | 17 |
| 2009 | 2 | 12 |
| 2010 | 3 | 11 |
| 2011 | 8 | 9 |
| 2012 | 8 | 15 |
| 2013 | 14 | 12 |
| 2014 | 6 | 12 |
| 2015 | 10 | 12 |
| 2016 | 11 | 12 |
| 2017 | 5 | 12 |
| 2018 | 9 | 9 |
| 2019 | 8 | 14 |
| 2020 | 8 | 10 |
| 2021 | 4 | 12 |
| 2022 | 3 | 6 |
| 2023 | 6 | 7 |
| 2024 | 7 | 4 |
| 2025 | 7 | 7 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for producing a three-dimensionally deformed plate1 Sep 2026US 12,722,322 B2Homann Holzwerkstoffe GmbH
- Prefabricated construction wall assembly16 Jun 2026US 12,655,630 B2Wall to Wall, LLC
- Panelized structural wall, floor, and roof panel9 Jun 2026US 12,650,017 B1Cover Technologies, Inc.
- Panel10 Mar 2026US 12,570,221 B2Kyoraku Co., Ltd.
- Core layer having wood elements, in particular wood elements having a corrugated structure2 Dec 2025US 12,486,664 B2Wood Innovations Ltd
- Process for producing a plate-shaped building material with moisture-absorbing properties11 Jun 2026US 2026/0158469 A1
- Modular wall panel with integrated channels25 Dec 2025US 2025/0389118 A1
- Methods and systems for modular buildings11 Dec 2025US 2025/0376843 A1
- Panels and panel systems for building construction26 Jun 2025US 2025/0207392 A1
- Composite structural panel and method of fabrication13 Feb 2025US 2025/0052019 A1Composites Intellectual Holdings, Inc.
Most cited
By later US patents
- Sheet-like sandwich molding144US 4,631,221 AHoechst Aktiengesellschaft · 1986
- Truss core panels134US 4,223,053 AThe Boeing Company · 1980
- Paneling material and composite panel using the same127US 5,399,406 ASky Aluminium Co., Ltd. · 1995
- Composite airfoil construction124US 4,051,289 AGeneral Electric Company · 1977
- Composite building material118US 6,941,720 B2James Hardie International Finance B. V. · 2005