E04D 2013/0846
Interconnecting down pipe parts
Official title: {Interconnecting down pipe parts}
E04D2013/0846 (Interconnecting down pipe parts) appears on 31 US grants and 28 published applications in this corpus.
Search patents in E04D- Granted patents
- 31
- Published applications
- 28
- Assignees
- 10
- Inventors
- 43
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 2 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 4 |
| 2022 | 4 | 3 |
| 2023 | 3 | 2 |
| 2024 | 3 | 1 |
| 2025 | 3 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Sealable drain pipe coupling14 Apr 2026US 12,601,433 B1
- Seal assembly method and apparatus30 Sep 2025US 12,428,845 B2Platinum Technologies Ltd.
- Pipe coupling and anchoring system25 Feb 2025US 12,234,931 B2
- Seal assembly method and apparatus16 Oct 2025US 2025/0320724 A1Platinum Technologies Ltd.
- Extendable drainpipe assembly26 Jun 2025US 2025/0207403 A1Shenzhen Ruichenxi Technology Co., Ltd.
- Extendable drainpipe assembly10 Apr 2025US 2025/0116114 A1Shenzhen Ruichenxi Technology Co., Ltd.
- Water flow device6 Mar 2025US 2025/0075505 A1
- Pipe coupling and anchoring system4 Apr 2024US 2024/0110643 A1
Most cited
By later US patents
- Universal connector for downspout drainage extensions44US 5,375,891 AMetro Eavestroughing Ltd. · 1994
- Universal connector for downspout drainage extension33US 5,511,829 AMetro Eavestroughing Ltd. · 1996
- Down spout adaptor assembly12US 4,173,361 A1979
- Downspout assembly12US 7,895,793 B12011
- Telescopic drainpipe assembly8US 11,885,441 B1Shenzhen Ruichenxi Technology Co., Ltd. · 2024