E04D 13/0445
Drainage channels
Official title: {Drainage channels}
E04D13/0445 (Drainage channels) appears on 105 US grants and 90 published applications in this corpus.
Search patents in E04D- Granted patents
- 105
- Published applications
- 90
- Assignees
- 48
- Inventors
- 153
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 3 |
| 2003 | 3 | 3 |
| 2004 | 3 | 3 |
| 2005 | 2 | 2 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 5 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 4 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 5 | 3 |
| 2015 | 9 | 10 |
| 2016 | 4 | 6 |
| 2017 | 3 | 5 |
| 2018 | 5 | 5 |
| 2019 | 6 | 3 |
| 2020 | 4 | 5 |
| 2021 | 6 | 6 |
| 2022 | 7 | 3 |
| 2023 | 2 | 4 |
| 2024 | 2 | 1 |
| 2025 | 2 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Waterproofing building product28 Apr 2026US 12,612,785 B2Scott Flett Architecture Workshop Pty Ltd
- Solar support structures and methods6 Jan 2026US 12,519,419 B1PowerShingle, LLC
- Coating cover for roofs of buildings11 Nov 2025US 12,467,261 B2
- Building and flashing6 May 2025US 12,291,874 B2Sekisui House, Ltd.
- Corner gutter diverter31 Dec 2024US 12,180,712 B1
- Adjustable magnet system for metal roofing panels21 May 2026US 2026/0139486 A1
- Valley flow controller7 May 2026US 2026/0125904 A1Gutter Shutter, LLC
- Modular roof structure1 Jan 2026US 2026/0002363 A1
- Drip gutter20 Nov 2025US 2025/0354384 A1Innovations Manufacturing, Inc.
- Balcony egde drainage system7 Aug 2025US 2025/0250786 A1Hydrovim IP Pty Ltd
Most cited
By later US patents
- Roof ventilation system63US 6,780,099 B12004
- Roof valley flashing including expansion joint49US 5,115,603 ARoof-Flex · 1992
- Apparatus for collecting fluid seepage in a building structure44US 4,129,967 A1978
- Roof deck termination structure44US 6,088,992 ALoadmaster Systems, Inc. · 2000
- Building integrated solar array support structure device, system, and method42US 8,191,321 B22012