E03F 1/006
Pneumatic sewage disposal systems
Official title: {Pneumatic sewage disposal systems; accessories specially adapted therefore}
E03F1/006 (Pneumatic sewage disposal systems) appears on 355 US grants and 239 published applications in this corpus.
Search patents in E03F- Granted patents
- 355
- Published applications
- 239
- Assignees
- 130
- Inventors
- 510
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 15 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 3 |
| 2002 | 18 | 10 |
| 2003 | 7 | 4 |
| 2004 | 4 | 6 |
| 2005 | 4 | 2 |
| 2006 | 4 | 4 |
| 2007 | 1 | 9 |
| 2008 | 3 | 9 |
| 2009 | 2 | 7 |
| 2010 | 5 | 8 |
| 2011 | 3 | 11 |
| 2012 | 5 | 6 |
| 2013 | 11 | 10 |
| 2014 | 9 | 11 |
| 2015 | 9 | 11 |
| 2016 | 8 | 15 |
| 2017 | 11 | 14 |
| 2018 | 14 | 12 |
| 2019 | 18 | 15 |
| 2020 | 17 | 13 |
| 2021 | 8 | 13 |
| 2022 | 8 | 6 |
| 2023 | 8 | 12 |
| 2024 | 13 | 7 |
| 2025 | 7 | 15 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Fluid recycling unit for aircraft11 Aug 2026US 12,703,648 B2MAG Aerospace Industries, LLC
- Flush engine11 Aug 2026US 12,703,971 B2Kohler Co.
- Vacuum toilet and tank therefor10 Mar 2026US 12,571,196 B2Eoos Next GmbH
- Systems and methods for harvesting energy from a flush cycle of a toilet16 Jul 2026US 2026/0204983 A1The Boeing Company
- Toilet device, flushing system and flushing method therefor16 Apr 2026US 2026/0103876 A1Jomoo Kitchen & Bath Deutschland GmbH
- 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
- Flush valve plate26 Feb 2026US 2026/0055588 A1B/E Aerospace, Inc.
- Human Waste Propulsion System12 Feb 2026US 2026/0043222 A1
Most cited
By later US patents
- Vacuum toilet system73US 4,713,847 AOy Wartsila Ab · 1987
- Modular vacuum toilet with line replaceable units58US 6,353,942 B1Evac International Oy · 2002
- Non recirculating method of disposing of waste products for aircrafts57US 4,357,719 ARogerson Aircraft Controls · 1982
- Vacuum-flush toilet arrangement for aircraft54US 4,275,470 ARogerson Aircraft Controls · 1981
- Vacuum sewage transport system52US 4,373,838 ABurton Mechanical Contractors, Inc. · 1983