E04D 13/0477
Underroof drainage layers
Official title: {Underroof drainage layers (layers permitting turfing of the roof E04D11/002)}
E04D13/0477 (Underroof drainage layers) appears on 63 US grants and 48 published applications in this corpus.
Search patents in E04D- Granted patents
- 63
- Published applications
- 48
- Assignees
- 25
- Inventors
- 83
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 1 |
| 2003 | 2 | 3 |
| 2004 | 3 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 4 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Purlin construction with water flow system for flat panels22 Sep 2026US 12,742,324 B2
- Drainage system18 Feb 2025US 12,227,949 B2Aco Ahlmann SE & Co. KG
- Roofing drip edge device and a method of installing a roofing drip edge device1 Oct 2024US 12,104,382 B1Bmic LLC
- Method and apparatus for metal valley installation12 Sep 2023US 11,753,825 B2
- Drainage and ventilation mat for building exterior wall, roof and basement assemblies3 Nov 2020US 10,822,791 B2
- Roofing drip edge device and a method of installing a roofing drip edge device19 Dec 2024US 2024/0417977 A1Bmic LLC
- Roofing drip edge device and a method of installing a roofing drip edge device12 Sep 2024US 2024/0301698 A1Bmic LLC
- Purlin construction with water flow system for flat panels7 Mar 2024US 2024/0076873 A1
- Rafter Guard12 Oct 2023US 2023/0323669 A1
- Drainage system2 Feb 2023US 2023/0029896 A1Aco Ahlmann SE & Co. KG
Most cited
By later US patents
- Sub-deck drainage system or gutter comprising a trapezoidal shaped panel of thermoset, thermoplastic, or modified bitumen membrane76US 6,415,571 B22002
- Profiled web for venting and draining floor tiles, particularly ceramic tiles, laid in a thin retaining layer54US 6,151,854 A2000
- Drainage system for decks47US 5,765,328 A1998
- Fire retardant deck waterproof system47US 6,385,931 B12002
- Deck gutter system43US 4,860,502 A1989