E04D 2013/034
Daylight conveying tubular skylights
Official title: {Daylight conveying tubular skylights}
E04D2013/034 (Daylight conveying tubular skylights) appears on 131 US grants and 113 published applications in this corpus.
Search patents in E04D- Granted patents
- 131
- Published applications
- 113
- Assignees
- 52
- Inventors
- 183
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 6 |
| 2002 | 6 | 2 |
| 2003 | 2 | 7 |
| 2004 | 2 | 4 |
| 2005 | 2 | 10 |
| 2006 | 6 | 3 |
| 2007 | 3 | 4 |
| 2008 | 3 | 5 |
| 2009 | 4 | 5 |
| 2010 | 2 | 5 |
| 2011 | 7 | 5 |
| 2012 | 3 | 11 |
| 2013 | 7 | 8 |
| 2014 | 7 | 11 |
| 2015 | 10 | 5 |
| 2016 | 3 | 5 |
| 2017 | 4 | 3 |
| 2018 | 2 | 5 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Adhesive-attached window glazing assembly, multi-glazed window assembly and method therefor13 May 2025US 12,297,693 B2
- Optical elements and systems for reflecting direct beam sunlight while admitting diffuse skylight through building apertures28 Jan 2025US 12,209,719 B2North Carolina State University
- Tubular skylight assembly2 Jul 2024US 12,024,890 B2VKR Holding A/S
- Skylight dimmer21 Feb 2023US 11,585,093 B2Solatube International, Inc.
- Indirect light skydome with natural ventilation17 May 2022US 11,332,939 B2
- Multi-glazed window assembly and method therefor21 Aug 2025US 2025/0263973 A1
- Optical elements and systems for reflecting direct beam sunlight while admitting diffuse skylight through building apertures20 Jul 2023US 2023/0228393 A1North Carolina State University
- Adhesive-attached window glazing assembly, multi-glazed window assembly and method therefor25 May 2023US 2023/0160256 A1
- Tubular skylight assembly23 Mar 2023US 2023/0085785 A1VKR Holding A/S
- Skylight dimmer10 Feb 2022US 2022/0042314 A1Solatube International, Inc.
Most cited
By later US patents
- Skylight95US 5,099,622 AContinuum Developments Pty Limited · 1992
- Tubular skylight with improved dome95US 5,655,339 AODL, Incorporated · 1997
- System and method of constructing a skylight69US 5,546,712 A1996
- Light transmitter interconnecting a skylight and a ceiling opening67US 4,809,468 A1989
- Passive collimating tubular skylight67US 6,363,667 B22002