E03C 1/28
Odour seals
E03C1/28 (Odour seals) appears on 310 US grants and 329 published applications in this corpus.
Search patents in E03C- Granted patents
- 310
- Published applications
- 329
- Assignees
- 144
- Inventors
- 500
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 3 |
| 2002 | 9 | 10 |
| 2003 | 5 | 5 |
| 2004 | 4 | 10 |
| 2005 | 6 | 9 |
| 2006 | 7 | 7 |
| 2007 | 5 | 16 |
| 2008 | 1 | 10 |
| 2009 | 7 | 9 |
| 2010 | 2 | 14 |
| 2011 | 8 | 18 |
| 2012 | 7 | 15 |
| 2013 | 7 | 8 |
| 2014 | 10 | 15 |
| 2015 | 8 | 11 |
| 2016 | 6 | 20 |
| 2017 | 11 | 26 |
| 2018 | 20 | 17 |
| 2019 | 17 | 18 |
| 2020 | 12 | 23 |
| 2021 | 17 | 19 |
| 2022 | 16 | 18 |
| 2023 | 10 | 10 |
| 2024 | 11 | 8 |
| 2025 | 12 | 9 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Joint device for drain pipes21 Jul 2026US 12,687,000 B2C. G. Air Systemes, Inc
- Trap seal protection device21 Jul 2026US 12,687,001 B2Zurn Water, LLC
- Heat exchanger water trap9 Jun 2026US 12,650,266 B2Knl Holding HjøRring Aps
- Low profile drain with water trap2 Jun 2026US 12,644,264 B2
- Plumbing system24 Mar 2026US D1,120,239 S1Design
- Joint device for drain pipes2 Jul 2026US 2026/0185339 A1C. G. Air Systemes, Inc
- Drain trap27 Nov 2025US 2025/0361706 A1Ecosystem Services LLC
- Occupancy surveillance for plumbing fixtures16 Oct 2025US 2025/0320699 A1Kohler Co.
- Toilet Fixture Clog Prevention and Cleanout19 Jun 2025US 2025/0198137 A1SDB IP Holdings, LLC
- WC Device With a WC Body Having a Porous Inner Surface27 Feb 2025US 2025/0067037 A1Viega Technology GmbH & Co. KG
Most cited
By later US patents
- Branch tail piece110US 4,162,546 ACarrcraft Manufacturing Company · 1979
- Multiple drain trap primer valve assembly for sewer lines96US 5,253,670 AC. H. Perrott, Inc. · 1993
- Adjustable drain apparatus65US 6,350,373 B12002
- Waterless urinal54US 5,711,037 AWaterless Company · 1998
- Flexible plumbing trap45US 4,516,278 A1985