E03F 1/008
Temporary fluid connections for emptying mobile sewage holding tanks
Official title: {Temporary fluid connections for emptying mobile sewage holding tanks, e.g. of trailers, boats}
E03F1/008 (Temporary fluid connections for emptying mobile sewage holding tanks) appears on 123 US grants and 65 published applications in this corpus.
Search patents in E03F- Granted patents
- 123
- Published applications
- 65
- Assignees
- 29
- Inventors
- 173
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 3 |
| 2003 | 3 | 2 |
| 2004 | 3 | 6 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 8 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 4 | 0 |
| 2014 | 1 | 3 |
| 2015 | 4 | 0 |
| 2016 | 3 | 1 |
| 2017 | 3 | 3 |
| 2018 | 2 | 3 |
| 2019 | 3 | 3 |
| 2020 | 6 | 5 |
| 2021 | 3 | 5 |
| 2022 | 7 | 3 |
| 2023 | 1 | 3 |
| 2024 | 4 | 1 |
| 2025 | 4 | 3 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Waste disposal hose seal apparatus for recreational vehicles27 Jan 2026US 12,534,897 B1
- RV waste management systems16 Dec 2025US 12,497,772 B2
- Black tank bypass systems and methods thereof18 Nov 2025US 12,472,886 B1
- Portable tank for liquid handling16 Jul 2026US 2026/0201688 A1LKQ Corporation
- Drainpipe for draining waste from a recreational vehicle16 Jul 2026US 2026/0201689 A1
- Trailer type mobile toilet4 Jun 2026US 2026/0152935 A1
- RV Sewer Hose Support16 Apr 2026US 2026/0104117 A1
- Vacuum wastewater device, vacuum wastewater device arrangement and method for removing wastewater from a wastewater reservoir using at least one vacuum wastewater device26 Feb 2026US 2026/0053305 A1Roediger Vacuum GmbH
Most cited
By later US patents
- Waste evacuation attachment for recreational vehicles87US 4,133,347 A1979
- Extendable waste hose system67US 5,023,959 AThetford Corporation · 1991
- Recreational vehicle sewerline adapter62US 4,722,556 AToddco Partnership · 1988
- Configurable support apparatus for flexible pipe and method61US 6,206,613 B12001
- Apparatus for mounting a drain hose to an RV waste removal valve assembly59US 5,417,460 AValterra Products, Inc. · 1995