E03F 1/007
For public or main systems
Official title: {for public or main systems}
E03F1/007 (For public or main systems) appears on 45 US grants and 36 published applications in this corpus.
Search patents in E03F- Granted patents
- 45
- Published applications
- 36
- Assignees
- 34
- Inventors
- 71
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 0 | 0 |
| 2017 | 3 | 2 |
| 2018 | 2 | 3 |
| 2019 | 1 | 3 |
| 2020 | 3 | 2 |
| 2021 | 0 | 3 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid-collecting arrangement, liquid drainage system and method for use22 Sep 2026US 12,742,322 B2Aco Ahlmann SE & Co. KG
- Separator for wastewater system18 Aug 2026US 12,709,887 B2Jets AS
- Vacuum sewage system with monitoring system and variable speed pump and methods of use26 Mar 2024US 11,939,760 B2
- Method of controlling a vacuum waste system and a vacuum waste system19 Jul 2022US 11,391,031 B2Evac Oy
- Vacuum sewage system with sump breather apparatus12 Apr 2022US 11,299,878 B2Aqseptence Group, Inc.
- 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
- Extraction valve and vacuum collection system12 Jun 2025US 2025/0189050 A1
- Liquid-collecting arrangement, liquid drainage system and method for use18 Jan 2024US 2024/0018768 A1Aco Ahlmann SE & Co. KG
- Separator for wastewater system2 Nov 2023US 2023/0349143 A1Jets AS
- Runoff yield calculation method and device based on double free reservoirs, and storage medium23 Feb 2023US 2023/0059267 A1Hohai University
Most cited
By later US patents
- Vacuum sewage system27US 4,179,371 ABurton Mechanical Contractors, Inc. · 1979
- Automatic vacuum isolation valve network for a vacuum collection system21US 6,131,596 AEvac International Oy · 2000
- Vacuum drainage system20US 4,155,851 AAB Electrolux · 1979
- Vacuum sewer system18US 5,575,304 AEnvironmental Resources Management, Inc. · 1996
- Vacuum-type water removal systems for buildings17US 4,120,312 A1978