A47K 11/02
Dry closets
Official title: Dry closets, e.g. incinerator closets
A47K11/02 (Dry closets) appears on 387 US grants and 357 published applications in this corpus.
Search patents in A47K- Granted patents
- 387
- Published applications
- 357
- Assignees
- 161
- Inventors
- 680
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 18 | 0 |
| 2001 | 6 | 0 |
| 2002 | 12 | 2 |
| 2003 | 5 | 11 |
| 2004 | 6 | 11 |
| 2005 | 4 | 6 |
| 2006 | 7 | 7 |
| 2007 | 4 | 13 |
| 2008 | 0 | 15 |
| 2009 | 2 | 15 |
| 2010 | 2 | 10 |
| 2011 | 4 | 7 |
| 2012 | 4 | 9 |
| 2013 | 4 | 12 |
| 2014 | 4 | 12 |
| 2015 | 12 | 12 |
| 2016 | 14 | 19 |
| 2017 | 20 | 24 |
| 2018 | 19 | 20 |
| 2019 | 13 | 17 |
| 2020 | 19 | 24 |
| 2021 | 15 | 15 |
| 2022 | 6 | 19 |
| 2023 | 19 | 16 |
| 2024 | 14 | 22 |
| 2025 | 15 | 24 |
| 2026 | 15 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Portable toilet with tethered agitators6 Oct 2026US 12,751,586 B2Coversan, LLC
- Systems for human waste collection and processing29 Sep 2026US 12,747,570 B2Hamilton Sundstrand Space Systems International, Inc.
- Portable restroom22 Sep 2026US 12,740,676 B2Jag Mobile Solutions, Inc.
- Systems for human waste collection and processing1 Sep 2026US 12,723,392 B2Hamilton Sundstrand Space Systems International, Inc.
- Neutral buoyancy solid waste capture test method12 May 2026US 12,622,551 B2B/E Aerospace, Inc.
- Portable Restroom17 Sep 2026US 2026/0272238 A1Jag Mobile Solutions, Inc.
- Sanitary cubicle3 Sep 2026US 2026/0256327 A1TOI TOI & DIXI Group GmbH
- Linkage cover structure for incineration toilets3 Sep 2026US 2026/0256329 A1Guangdong Mory Intelligent Technology Co.,Ltd.
- Multifunction toilet with incinerating and optional heating, and distillation means13 Aug 2026US 2026/0232150 A1
- Compact zero-micro gravity space toilet with vacuum-pack disposal30 Jul 2026US 2026/0215630 A1
Most cited
By later US patents
- Disposable waste containment unit122US 4,882,794 A1989
- Portable sling toilet93US 7,927,321 B22011
- Feminine urinary device90US 6,475,198 B12002
- Cassette for dispensing pleated tubing81US 6,974,029 B2Moniteurs Angelcare Inc. · 2005
- Odor transmission-resistant polymeric film67US 7,100,767 B2Playtex Products, Inc. · 2006