E04D 13/0404
Drainage on the roof surface
Official title: {Drainage on the roof surface}
E04D13/0404 (Drainage on the roof surface) appears on 541 US grants and 478 published applications in this corpus.
Search patents in E04D- Granted patents
- 541
- Published applications
- 478
- Assignees
- 218
- Inventors
- 752
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 18 | 6 |
| 2002 | 17 | 7 |
| 2003 | 9 | 15 |
| 2004 | 10 | 12 |
| 2005 | 5 | 14 |
| 2006 | 8 | 14 |
| 2007 | 3 | 12 |
| 2008 | 4 | 15 |
| 2009 | 6 | 13 |
| 2010 | 7 | 10 |
| 2011 | 7 | 12 |
| 2012 | 7 | 11 |
| 2013 | 12 | 15 |
| 2014 | 27 | 28 |
| 2015 | 28 | 37 |
| 2016 | 17 | 17 |
| 2017 | 21 | 28 |
| 2018 | 25 | 25 |
| 2019 | 23 | 19 |
| 2020 | 25 | 30 |
| 2021 | 22 | 27 |
| 2022 | 24 | 27 |
| 2023 | 17 | 19 |
| 2024 | 21 | 24 |
| 2025 | 9 | 21 |
| 2026 | 13 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Purlin construction with water flow system for flat panels22 Sep 2026US 12,742,324 B2
- Seal assembly method and apparatus18 Aug 2026US 12,709,897 B2Platinum Technologies Ltd.
- Wind resistant rain gutter assembly for creating perimeter vertical air barriers11 Aug 2026US 12,703,978 B2
- Sump drain apparatus, system, and method of construction4 Aug 2026US 12,698,633 B2Jmh Innovative Solutions, LLC
- Roof drain and promenade support7 Jul 2026US 12,674,324 B2Zurn Water, LLC
- Additional laminar dripper1 Oct 2026US 2026/0297949 A1
- Edge flashing apparatus, and a method of using same17 Sep 2026US 2026/0275722 A1
- Roof-draining member and roof provided with roof-draining member10 Sep 2026US 2026/0266053 A1Sekisui House, Ltd.
- Roof edging assembly10 Sep 2026US 2026/0266055 A1
- Asphalt Roofing Underlayment Structure for Protecting Against Water Ingress20 Aug 2026US 2026/0243088 A1Ranch Roofing Inc.
Most cited
By later US patents
- Roof mount sealing assembly129US 8,448,405 B2D Three Enterprises, LLC · 2013
- Self-sealing mounting bracket for roof mounted structures104US 9,912,284 B2Building Materials Investment Corporation · 2018
- Roof drip edge with flexible leg101US 6,035,587 AAmerimax Home Products, Inc. · 2000
- Photovoltaic systems, methods for installing photovoltaic systems, and kits for installing photovoltaic systems94US 8,677,702 B2CertainTeed Corporation · 2014
- Adjustably extensible roof drain receptacle88US 4,505,814 ATyler Pipe Company · 1985