E04D 2013/0413
Strainers for drainage outlets
Official title: {Strainers for drainage outlets}
E04D2013/0413 (Strainers for drainage outlets) appears on 79 US grants and 55 published applications in this corpus.
Search patents in E04D- Granted patents
- 79
- Published applications
- 55
- Assignees
- 35
- Inventors
- 101
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 4 |
| 2018 | 4 | 4 |
| 2019 | 2 | 3 |
| 2020 | 8 | 6 |
| 2021 | 5 | 5 |
| 2022 | 2 | 6 |
| 2023 | 4 | 5 |
| 2024 | 7 | 4 |
| 2025 | 2 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Maintenance access systems for drainage systems for amenities planters13 Aug 2026US 2026/0234936 A1
- Roof drain and dome for same21 May 2026US 2026/0139488 A1Zurn Water, LLC
- Drain guard assembly and system18 Dec 2025US 2025/0382798 A1
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Most cited
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