E04D 2001/308
For special purposes not otherwise provided for
Official title: {for special purposes not otherwise provided for, e.g. turfing tiles, step tiles}
E04D2001/308 (For special purposes not otherwise provided for) appears on 110 US grants and 132 published applications in this corpus.
Search patents in E04D- Granted patents
- 110
- Published applications
- 132
- Assignees
- 44
- Inventors
- 181
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 4 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 3 | 7 |
| 2015 | 4 | 3 |
| 2016 | 3 | 2 |
| 2017 | 6 | 12 |
| 2018 | 4 | 8 |
| 2019 | 4 | 10 |
| 2020 | 9 | 9 |
| 2021 | 11 | 10 |
| 2022 | 14 | 17 |
| 2023 | 10 | 12 |
| 2024 | 11 | 13 |
| 2025 | 12 | 11 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Roof ridge joiner for wireways of roofing systems22 Sep 2026US 12,744,490 B2GAF Energy LLC
- Fire-prevention building roof system30 Jun 2026US 12,668,972 B1
- Roof mounting system16 Jun 2026US RE50,919 E1Enstall US, Inc.
- Roofing shingle for collecting solar energy2 Jun 2026US 12,647,063 B2
- Solar roof structure5 May 2026US 12,620,928 B2Nulok Global Pty Ltd
- Adjustable modular and digital photovoltaic cladding system27 Aug 2026US 2026/0254402 A1
- Roof mounted synthetic turf assembly and method23 Jul 2026US 2026/0210117 A1
- Integrated Roofing System for Renewable Energy Applications18 Dec 2025US 2025/0385635 A1Nanotronics Imaging, Inc.
- Roofing shingles with fire retardant structure16 Oct 2025US 2025/0320722 A1GAF Energy LLC
- Modular green roof system with dew water collection18 Sep 2025US 2025/0290320 A1SingularGreen S.L.
Most cited
By later US patents
- Shingle assembly191US 7,178,295 B2PowerLight Corporation · 2007
- Solar cell shingle180US 4,040,867 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1977
- Flexible integrated photovoltaic roofing membrane and related methods of manufacturing same147US 7,678,990 B2Elk Premium Building Products, Inc. · 2010
- Rigid integrated photovoltaic roofing membrane and related methods of manufacturing same118US 7,678,991 B2Elk Premium Building Products, Inc. · 2010
- Photovoltaic roofing elements and photovoltaic roofing systems105US 8,601,754 B2CertainTeed Corporation · 2013