E03C 1/284
Having u-shaped trap
Official title: having U-shaped trap
E03C1/284 (Having u-shaped trap) appears on 114 US grants and 107 published applications in this corpus.
Search patents in E03C- Granted patents
- 114
- Published applications
- 107
- Assignees
- 52
- Inventors
- 172
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 3 | 2 |
| 2006 | 4 | 4 |
| 2007 | 1 | 4 |
| 2008 | 0 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 3 | 5 |
| 2012 | 3 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 3 |
| 2015 | 0 | 5 |
| 2016 | 2 | 7 |
| 2017 | 5 | 10 |
| 2018 | 8 | 6 |
| 2019 | 5 | 11 |
| 2020 | 8 | 8 |
| 2021 | 10 | 7 |
| 2022 | 5 | 6 |
| 2023 | 7 | 5 |
| 2024 | 6 | 4 |
| 2025 | 7 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Joint device for drain pipes2 Jul 2026US 2026/0185339 A1C. G. Air Systemes, Inc
- Drain trap27 Nov 2025US 2025/0361706 A1Ecosystem Services LLC
- Drain trap20 Feb 2025US 2025/0059746 A1
- Joint device for drain pipes6 Feb 2025US 2025/0043554 A1C. G. Air Systemes, Inc
- Drain Trap Assembly24 Oct 2024US 2024/0352720 A1
Most cited
By later US patents