B01D 3/02
In boilers or stills
Official title: in boilers or stills
B01D3/02 (In boilers or stills) appears on 213 US grants and 179 published applications in this corpus.
Search patents in B01D- Granted patents
- 213
- Published applications
- 179
- Assignees
- 138
- Inventors
- 424
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 8 |
| 2013 | 1 | 11 |
| 2014 | 4 | 4 |
| 2015 | 15 | 7 |
| 2016 | 1 | 17 |
| 2017 | 7 | 12 |
| 2018 | 15 | 15 |
| 2019 | 17 | 21 |
| 2020 | 19 | 20 |
| 2021 | 14 | 17 |
| 2022 | 13 | 13 |
| 2023 | 14 | 6 |
| 2024 | 9 | 7 |
| 2025 | 2 | 8 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for water distillation28 Jul 2026US 12,691,389 B1
- Chemical distillation system with in situ analytics16 Jun 2026US 12,654,113 B2Astrotech Technologies, Inc.
- Water distillation device2 Jun 2026US 12,643,056 B277 Vision Way Ltd
- Activated carbon-cement composite coated polyurethane foam based solar thermal evaporator24 Mar 2026US 12,583,766 B2Amrita Vishwa Vidyapeetham
- Liquor distillation system and method thereof17 Feb 2026US 12,551,821 B2
- Distillation system fluid level control system24 Sep 2026US 2026/0284548 A1Honeywell International Inc.
- Water distillation system and method30 Jul 2026US 2026/0217567 A1
- Distillation heat recycling systems and methods11 Jun 2026US 2026/0158410 A1
- Low Energy Production Process for Renewable Hydrocarbons25 Dec 2025US 2025/0388937 A1Gevo, Inc.
- Water plasma activation of demineralized water4 Dec 2025US 2025/0368551 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Water purification apparatus and method52US 4,045,293 A1977
- Distillation apparatus51US 4,339,307 A1982
- System and method for producing a terpene-enhanced cannibinoid concentrate44US 9,649,349 B1Metamorphic Alchemy & Distillations, Inc. · 2017
- Solar water distillation system42US 5,053,110 A1991
- Combination filter apparatus for use with a dry cleaning machine41US 4,513,590 ADual Filtrex, Inc. · 1985