E04B 1/7038
Evacuating water from cavity walls
Official title: {Evacuating water from cavity walls, e.g. by using weep holes}
E04B1/7038 (Evacuating water from cavity walls) appears on 167 US grants and 147 published applications in this corpus.
Search patents in E04B- Granted patents
- 167
- Published applications
- 147
- Assignees
- 69
- Inventors
- 210
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 3 |
| 2003 | 3 | 3 |
| 2004 | 2 | 5 |
| 2005 | 5 | 10 |
| 2006 | 0 | 4 |
| 2007 | 1 | 4 |
| 2008 | 4 | 2 |
| 2009 | 4 | 3 |
| 2010 | 6 | 1 |
| 2011 | 6 | 2 |
| 2012 | 3 | 8 |
| 2013 | 2 | 4 |
| 2014 | 7 | 6 |
| 2015 | 6 | 4 |
| 2016 | 6 | 10 |
| 2017 | 4 | 6 |
| 2018 | 7 | 7 |
| 2019 | 11 | 13 |
| 2020 | 12 | 16 |
| 2021 | 6 | 7 |
| 2022 | 9 | 6 |
| 2023 | 8 | 8 |
| 2024 | 4 | 5 |
| 2025 | 5 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drainable house wrap21 Apr 2026US 12,607,007 B2Keene Building Products Co., Inc.
- Mid-wall vent and systems incorporating the same14 Apr 2026US 12,601,169 B2Stockton Products
- Weep-hole drilling2 Dec 2025US 12,486,723 B2Concore BV
- Drone-based dehumidification treatment device11 Nov 2025US 12,467,252 B1United Services Automobile Association (USAA)
- Sound-deadening drainage mat7 Oct 2025US 12,435,508 B2Advanced Building Products, Inc.
- Sloped insulating panel with overhang for a building and insulating systems incorporating same24 Sep 2026US 2026/0286681 A1Softwick Corporation
- Continuous Insulation Sheathing with Drainage Embossment17 Sep 2026US 2026/0275712 A1Henry Company, LLC
- A cavity tray and masonry support element13 Aug 2026US 2026/0234931 A1ACS Stainless Limited
- Sound-deadening drainage mat11 Jun 2026US 2026/0160059 A1Advanced Building Products, Inc.
- Watershed wall system9 Oct 2025US 2025/0314067 A1Quality Electrical Systems, Inc.
Most cited
By later US patents
- Masonry cavity wall air space and weeps obstruction prevention system123US 5,598,673 A1997
- Spacer for providing drainage passageways within building structures98US 6,594,965 B2Benjamin Obdyke Incorporated · 2003
- Moisture and vapor barrier in exterior insulation finish systems84US 5,027,572 AW. R. Grace & Co.-Conn. · 1991
- Mortar collecting device for use in masonry wall construction77US 4,852,320 A1989
- Mortar collecting device for protecting weep-holes in masonry walls57US 5,845,455 AMasonry Reinforcing Corporation of America · 1998