E03C 1/304
Using fluid under pressure
Official title: using fluid under pressure
E03C1/304 (Using fluid under pressure) appears on 275 US grants and 244 published applications in this corpus.
Search patents in E03C- Granted patents
- 275
- Published applications
- 244
- Assignees
- 73
- Inventors
- 448
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 3 |
| 2002 | 9 | 2 |
| 2003 | 8 | 6 |
| 2004 | 4 | 10 |
| 2005 | 9 | 10 |
| 2006 | 7 | 6 |
| 2007 | 4 | 6 |
| 2008 | 5 | 7 |
| 2009 | 1 | 7 |
| 2010 | 3 | 9 |
| 2011 | 6 | 7 |
| 2012 | 5 | 6 |
| 2013 | 2 | 8 |
| 2014 | 4 | 9 |
| 2015 | 7 | 14 |
| 2016 | 12 | 15 |
| 2017 | 9 | 10 |
| 2018 | 13 | 16 |
| 2019 | 13 | 19 |
| 2020 | 11 | 13 |
| 2021 | 12 | 20 |
| 2022 | 10 | 12 |
| 2023 | 10 | 5 |
| 2024 | 10 | 14 |
| 2025 | 5 | 9 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-cartridge drain guns, accessories therefor, and methods of use and manufacture thereof8 Sep 2026US 12,728,437 B2Diversitech Corporation
- Hydro jetting system, apparatus and method2 Jun 2026US 12,644,265 B2
- Drain auger cleaning device10 Mar 2026US 12,571,192 B2
- Waterjet plunger22 Jul 2025US 12,366,061 B2
- Automatic pipe clean system for massage bath equipment11 Mar 2025US 12,245,984 B2Dartpoint Tech. Co., Ltd.
- System and method of clearing clogs in a plumbing environment19 Feb 2026US 2026/0048424 A1
- Drain auger cleaning device18 Dec 2025US 2025/0382782 A1
- Drain-Unclogging Assembly and Method Therefor18 Dec 2025US 2025/0382783 A1
- Toilet Plunger with Disposable Sheathing6 Nov 2025US 2025/0341084 A1
- Toilet plunger holder and toilet plunger set17 Jul 2025US 2025/0230641 A1LTMX International Trading Co., Limited
Most cited
By later US patents