E04B 1/7061
Devices for preventing blockage of weep holes
Official title: {Devices for preventing blockage of weep holes, e.g. a blockage caused by falling mortar}
E04B1/7061 (Devices for preventing blockage of weep holes) appears on 28 US grants and 24 published applications in this corpus.
Search patents in E04B- Granted patents
- 28
- Published applications
- 24
- Assignees
- 12
- Inventors
- 31
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 4 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 4 | 2 |
| 2010 | 3 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
Most cited
By later US patents
- 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
- Combination flashing and mortar and debris collection device and system44US 6,023,892 A2000
- Mortar and debris collection device and system43US 5,230,189 A1993
- Air circulation board for cavity wall construction36US 7,421,826 B2PACC Systems I.P., LLC · 2008