E04C 2/54
Slab-like translucent elements
Official title: Slab-like translucent elements (floors for transmitting light E04B5/46; translucent or open-work ceilings E04B9/32, E04B9/34; translucent roof coverings E04D3/06, E04D3/28)
E04C2/54 (Slab-like translucent elements) appears on 306 US grants and 230 published applications in this corpus.
Search patents in E04C- Granted patents
- 306
- Published applications
- 230
- Assignees
- 185
- Inventors
- 545
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 12 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 4 |
| 2002 | 8 | 3 |
| 2003 | 4 | 4 |
| 2004 | 6 | 19 |
| 2005 | 9 | 9 |
| 2006 | 9 | 10 |
| 2007 | 2 | 11 |
| 2008 | 3 | 8 |
| 2009 | 8 | 10 |
| 2010 | 5 | 14 |
| 2011 | 6 | 7 |
| 2012 | 7 | 13 |
| 2013 | 11 | 11 |
| 2014 | 7 | 11 |
| 2015 | 11 | 11 |
| 2016 | 9 | 11 |
| 2017 | 9 | 13 |
| 2018 | 13 | 8 |
| 2019 | 6 | 12 |
| 2020 | 8 | 16 |
| 2021 | 8 | 7 |
| 2022 | 5 | 2 |
| 2023 | 2 | 6 |
| 2024 | 3 | 1 |
| 2025 | 4 | 7 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Visible light-catalyzed translucent concrete, and preparation method and use thereof5 May 2026US 12,617,716 B2Jiangxi Blue Environmental Engineering Tech Co., Ltd.
- Construction10 Feb 2026US 12,546,468 B2Nitto Denko Corporation
- Lighting systems incorporating acoustic apertures23 Dec 2025US 12,504,163 B1Cooledge Lighting Inc.
- Facade elements with patterned cover plate and optical interference layer17 Jun 2025US 12,334,860 B2Cnbm Research Institute for Advanced Glass Materials Group Co., Ltd.
- Architectural resin panel with incorporated scrap materials18 Mar 2025US 12,251,857 B23form, Inc.
- Light-transmitting panel for buildings and method of using same21 May 2026US 2026/0139484 A1
- Glazing comprising a first and second channel-section glazing element5 Feb 2026US 2026/0034769 A1Bauglasindustrie GmbH
- Fenestration panels and systems11 Dec 2025US 2025/0376890 A1VKR Holding A/S
- Window material and light-transparent roof material14 Aug 2025US 2025/0257245 A1Nitta Corporation
- Window material and light-transparent roof material26 Jun 2025US 2025/0206997 A1Nitta Corporation
Most cited
By later US patents
- Box formed building panel of extruded plastic397US 4,299,070 A1981
- Extruded structural system224US 4,557,091 ACorflex International, Inc. · 1985
- Constructional panels208US 5,050,362 APolygal · 1991
- Light-transmitting wall panels123US 4,998,395 A1991
- Fire screening, light-transmitting panels with intumescent material and exposed connection surfaces99US 5,244,709 AGlaverbel · 1993