E03
Water supply
Official title: Water supply; sewerage
E03 (Water supply) appears on 20,922 US grants and 19,344 published applications in this corpus.
Search patents in E03- Granted patents
- 20,922
- Published applications
- 19,344
- Assignees
- 5,839
- Inventors
- 28,534
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 193 | 0 |
| 1977 | 156 | 0 |
| 1978 | 164 | 0 |
| 1979 | 168 | 0 |
| 1980 | 199 | 0 |
| 1981 | 166 | 0 |
| 1982 | 160 | 0 |
| 1983 | 132 | 0 |
| 1984 | 158 | 0 |
| 1985 | 168 | 0 |
| 1986 | 170 | 0 |
| 1987 | 200 | 0 |
| 1988 | 190 | 0 |
| 1989 | 234 | 0 |
| 1990 | 266 | 0 |
| 1991 | 324 | 0 |
| 1992 | 278 | 0 |
| 1993 | 306 | 0 |
| 1994 | 347 | 0 |
| 1995 | 278 | 0 |
| 1996 | 311 | 0 |
| 1997 | 317 | 0 |
| 1998 | 410 | 0 |
| 1999 | 444 | 0 |
| 2000 | 429 | 0 |
| 2001 | 410 | 92 |
| 2002 | 424 | 300 |
| 2003 | 354 | 350 |
| 2004 | 350 | 534 |
| 2005 | 301 | 540 |
| 2006 | 360 | 587 |
| 2007 | 282 | 582 |
| 2008 | 264 | 643 |
| 2009 | 265 | 612 |
| 2010 | 312 | 724 |
| 2011 | 377 | 655 |
| 2012 | 451 | 664 |
| 2013 | 482 | 774 |
| 2014 | 506 | 825 |
| 2015 | 598 | 789 |
| 2016 | 713 | 953 |
| 2017 | 832 | 1009 |
| 2018 | 793 | 1065 |
| 2019 | 1008 | 1041 |
| 2020 | 911 | 1114 |
| 2021 | 874 | 1082 |
| 2022 | 825 | 1022 |
| 2023 | 860 | 943 |
| 2024 | 842 | 967 |
| 2025 | 823 | 868 |
| 2026 | 537 | 609 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
Recent patents
- Shower6 Oct 2026US 12,752,290 B2Kohler Co.
- Waste disposal system6 Oct 2026US 12,752,318 B2Blue Bagger, Inc.
- Shower system with a filter6 Oct 2026US 12,753,092 B2
- Systems and methods for stormwater management6 Oct 2026US 12,753,093 B2Advanced Drainage Systems, Inc.
- Hot flushing of building water system6 Oct 2026US 12,753,585 B2Magarl, LLC
- Long-Handled Reusable In-Bowl Toilet Cleaning Tablet Cartridge for Sustained Cleaning8 Oct 2026US 2026/0305888 A1
- Retrofittable sanitary plumbing fixture and assembly thereof with odor control and method of installing and retrofitting using the same8 Oct 2026US 2026/0305890 A1
- Touchless Faucet with Integrated Flosser8 Oct 2026US 2026/0306228 A1
- Hydrodynamic separator with multiple settling sump cones8 Oct 2026US 2026/0306971 A1Advanced Drainage Systems, Inc.
- Drain cleaning device8 Oct 2026US 2026/0307116 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Time domain capacitive field detector800US 5,730,165 A1998
- Low profile transcatheter heart valve703US 7,993,394 B22011
- Shower room and ceiling element, especially for a shower room555US 5,060,322 A1991
- Shower installation540US 8,196,234 B2Hansgrohe SE · 2012
- Low profile transcatheter heart valve418US 8,454,685 B2Edwards Lifesciences Corporation · 2013