E03C 1/22
Outlet devices mounted in basins, baths, or sinks
Official title: Outlet devices mounted in basins, baths, or sinks (stoppers A47K1/14)
E03C1/22 (Outlet devices mounted in basins, baths, or sinks) appears on 499 US grants and 518 published applications in this corpus.
Search patents in E03C- Granted patents
- 499
- Published applications
- 518
- Assignees
- 206
- Inventors
- 721
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 10 | 0 |
| 2001 | 13 | 2 |
| 2002 | 15 | 4 |
| 2003 | 8 | 9 |
| 2004 | 7 | 9 |
| 2005 | 5 | 8 |
| 2006 | 4 | 16 |
| 2007 | 3 | 12 |
| 2008 | 3 | 20 |
| 2009 | 4 | 17 |
| 2010 | 3 | 14 |
| 2011 | 10 | 13 |
| 2012 | 16 | 13 |
| 2013 | 11 | 17 |
| 2014 | 12 | 20 |
| 2015 | 20 | 27 |
| 2016 | 11 | 19 |
| 2017 | 23 | 47 |
| 2018 | 20 | 34 |
| 2019 | 39 | 35 |
| 2020 | 35 | 30 |
| 2021 | 29 | 38 |
| 2022 | 23 | 19 |
| 2023 | 31 | 29 |
| 2024 | 21 | 27 |
| 2025 | 20 | 25 |
| 2026 | 17 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sink system with seamless drain and attachment bayonet6 Oct 2026US 12,753,595 B2Kohler Co.
- Tile wall drain29 Sep 2026US 12,747,569 B2
- Easy drain installation assembly for bath or shower8 Sep 2026US 12,729,525 B2Kohler Co.
- Magnetic suspension drain8 Sep 2026US 12,729,526 B2Lixil (China) Investment Co., Ltd.
- Pop up stopper and seal8 Sep 2026US 12,729,527 B2Danco, Inc.
- Stopper for a sink drain17 Sep 2026US 2026/0275693 A1
- Drain stopper with plunging seal10 Sep 2026US 2026/0266035 A1
- Outflow filter assembly for a water filtration system and a method therefor13 Aug 2026US 2026/0234919 A1
- Dual-function pin for push-pull and lift-turn stoppers9 Jul 2026US 2026/0193873 A1WCM Industries, Inc.
- Joint device for drain pipes2 Jul 2026US 2026/0185339 A1C. G. Air Systemes, Inc
Most cited
By later US patents
- Branch tail piece110US 4,162,546 ACarrcraft Manufacturing Company · 1979
- Automatic bathtub water level control system107US 4,042,984 AAmerican Bath and Shower Corporation · 1977
- Method and means for covering the flange of a waste water strainer72US 5,745,931 AWCM Industries, Inc. · 1998
- Means for covering the flange of a waste water strainer71US 7,503,083 B2WCM Industries, Inc. · 2009
- Adjustable floor drain apparatus70US 6,381,775 B1C&D Innovations, L.C. · 2002