E04D 13/03
Sky-lights
Official title: Sky-lights; Domes; Ventilating sky-lights (E04D13/14 takes precedence; structures therefor, {e.g. dormer windows} E04B7/18; {saw-tooth roofs with light-transmission E04B7/12})
E04D13/03 (Sky-lights) appears on 792 US grants and 598 published applications in this corpus.
Search patents in E04D- Granted patents
- 792
- Published applications
- 598
- Assignees
- 270
- Inventors
- 957
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 11 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 19 | 0 |
| 1985 | 9 | 0 |
| 1986 | 13 | 0 |
| 1987 | 10 | 0 |
| 1988 | 17 | 0 |
| 1989 | 14 | 0 |
| 1990 | 16 | 0 |
| 1991 | 14 | 0 |
| 1992 | 13 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 20 | 0 |
| 1997 | 16 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 17 | 0 |
| 2001 | 16 | 8 |
| 2002 | 18 | 10 |
| 2003 | 9 | 11 |
| 2004 | 12 | 16 |
| 2005 | 7 | 22 |
| 2006 | 11 | 47 |
| 2007 | 10 | 20 |
| 2008 | 9 | 15 |
| 2009 | 11 | 18 |
| 2010 | 24 | 25 |
| 2011 | 26 | 26 |
| 2012 | 21 | 36 |
| 2013 | 29 | 30 |
| 2014 | 35 | 42 |
| 2015 | 39 | 26 |
| 2016 | 28 | 29 |
| 2017 | 28 | 24 |
| 2018 | 24 | 29 |
| 2019 | 27 | 25 |
| 2020 | 16 | 29 |
| 2021 | 27 | 18 |
| 2022 | 12 | 23 |
| 2023 | 16 | 14 |
| 2024 | 21 | 21 |
| 2025 | 23 | 28 |
| 2026 | 14 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04D 13/0305Supports or connecting means for sky-lights of flat or domed shape300
- E04D 13/033Provided with means for controlling the light-transmission or the heat-reflection162
- E04D 13/035Characterised by having movable parts146
- E04D 2013/034Daylight conveying tubular skylightsIndexing code131
- E04D 13/0335Skylight guards, security devices protecting skylights or preventing objects or persons from52
- E04D 13/0325Provided with ventilating means45
- E04D 13/032Supports or connecting means for sky-lights of vaulted shape35
Recent patents
- Robotics dome construction system and method29 Sep 2026US 12,747,589 B2
- Flashing assembly comprising a top flashing arrangement, a roof element system comprising such a flashing assembly, and a method of manufacturing a flashing assembly29 Sep 2026US 12,747,590 B2VKR Holding A/S
- Lateral intermediate flashing element for connecting lateral longitudinal flashing elements, a kit comprising such flashing elements, and a method of flashing two roof elements positioned adjacent each other at different altitudes along a slanted roof15 Sep 2026US 12,735,896 B2VKR Holding A/S
- Hinge for a roof window and roof window with a set of hinges8 Sep 2026US 12,729,575 B2VKR Holding A/S
- Roof window comprising a sash with intermediate elements25 Aug 2026US 12,716,240 B2VKR Holding A/S
- Illumination systems employing multi-layer laminated sheet-form optical structures with embedded tir channels17 Sep 2026US 2026/0276175 A1
- Debris ejector for roof gutter systems9 Jul 2026US 2026/0193887 A1
- Flashing assembly and flashing kit for a roof window and method for manufacturing the flashing assembly11 Jun 2026US 2026/0160069 A1VKR Holding A/S
- Flashing assembly for use between two roof windows mounted in an inclined roof structure, a group of roof windows mounted with such a flashing assembly, and a method for mounting a flashing assembly between two roof windows9 Apr 2026US 2026/0098407 A1VKR Holding A/S
- Flashing Assembly For Use Between Two Roof Windows Mounted in An Inclined Roof Structure, A Group Of Roof Windows Mounted With Such A Flashing Assembly, And A Method For Mounting A Flashing Assembly Between Two Roof Windows9 Apr 2026US 2026/0098408 A1VKR Holding A/S
Most cited
By later US patents
- Building panel and method341US 5,349,796 AStructural Panels, Inc. · 1994
- Skylight95US 5,099,622 AContinuum Developments Pty Limited · 1992
- Tubular skylight with improved dome95US 5,655,339 AODL, Incorporated · 1997
- Curved glazed panels87US 4,899,507 AGlaceries de Saint-Roch S.A. · 1990
- Combination skylight/static ventilator80US 5,561,952 ATapco International Corporation · 1996