B01D 61/081
Used at home
Official title: {used at home, e.g. kitchen}
B01D61/081 (Used at home) appears on 181 US grants and 133 published applications in this corpus.
Search patents in B01D- Granted patents
- 181
- Published applications
- 133
- Assignees
- 119
- Inventors
- 408
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 5 |
| 2005 | 2 | 9 |
| 2006 | 2 | 5 |
| 2007 | 3 | 2 |
| 2008 | 2 | 2 |
| 2009 | 4 | 7 |
| 2010 | 4 | 4 |
| 2011 | 5 | 8 |
| 2012 | 4 | 3 |
| 2013 | 5 | 3 |
| 2014 | 1 | 2 |
| 2015 | 4 | 3 |
| 2016 | 4 | 4 |
| 2017 | 0 | 1 |
| 2018 | 2 | 9 |
| 2019 | 2 | 9 |
| 2020 | 12 | 10 |
| 2021 | 6 | 8 |
| 2022 | 2 | 8 |
| 2023 | 8 | 13 |
| 2024 | 7 | 9 |
| 2025 | 5 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wind-powered direct air carbon dioxide capture for ocean sequestration4 Aug 2026US 12,697,585 B2Dehlsen Associates of the Pacific Limited
- Water supply and distribution system on-board an aircraft and method for operating such system with low maintenance effort27 Jan 2026US 12,534,387 B2Airbus Operations GmbH
- Cartridge attachment structure and cartridge9 Dec 2025US 12,491,474 B2Organo Corporation
- Spiral wound multi-effect membrane distillation module2 Dec 2025US 12,485,386 B2SolMem LLC
- Complete sets of equipment for supplying drinking water in field17 Jun 2025US 12,330,976 B2Changzhou University
- Reverse osmosis (ro) water filtration system for recreational vehicles (rvs) and method of water purification and dispensation16 Jul 2026US 2026/0199838 A1
- Disaster relief device30 Apr 2026US 2026/0116802 A1
- Mobile water filtering system9 Apr 2026US 2026/0097982 A1Freeway Systems LTD
- Pressure washer6 Mar 2025US 2025/0073641 A1Qingdao Ecopure Filter Co., Ltd.
- Water purification apparatus and methods for cleaning the water purification apparatus20 Feb 2025US 2025/0058282 A1Baxter Healthcare S. A.
Most cited
By later US patents
- Self-contained water treatment system152US 5,269,919 A1993
- Quick-change filter cartridge and head therefor130US 4,877,521 ACuno Incorporated · 1989
- Counter top reverse osmosis water purification system125US 6,099,735 A2000
- Reverse osmosis purification system115US 6,190,558 B1Nimbus Water Systems, Inc. · 2001
- Compact water purification and beverage dispensing apparatus74US 5,064,097 AWater Center International Ltd. · 1991