C02F 1/046
Under vacuum produced by a barometric column
Official title: {under vacuum produced by a barometric column}
C02F1/046 (Under vacuum produced by a barometric column) appears on 48 US grants and 52 published applications in this corpus.
Search patents in C02F- Granted patents
- 48
- Published applications
- 52
- Assignees
- 39
- Inventors
- 122
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 0 | 1 |
| 2016 | 0 | 3 |
| 2017 | 0 | 3 |
| 2018 | 3 | 2 |
| 2019 | 1 | 2 |
| 2020 | 6 | 2 |
| 2021 | 4 | 2 |
| 2022 | 1 | 4 |
| 2023 | 2 | 5 |
| 2024 | 2 | 2 |
| 2025 | 4 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for distributing mineralized water and associated method10 Mar 2026US 12,570,561 B2
- Process for recovery of hydrate inhibitors7 Oct 2025US 12,435,022 B2VME Canada LTD.
- Distillation apparatus30 Sep 2025US 12,427,438 B2Clean Water Designs Ltd
- Vacuum evaporative heat exchanger26 Aug 2025US 12,398,050 B2
- Separation tower and method for treating condensed water17 Jun 2025US 12,330,086 B2Tianhua Institute of Chemical Machinery and Automation Co., Ltd
- Device for distributing mineralized water and associated method11 Jun 2026US 2026/0159429 A177 Vision Way Ltd
- Method and apparatus for disposing hydrogen sulfide29 Jan 2026US 2026/0028250 A1ExxonMobil Technology and Engineering Company
- Apparatus and method for treatment of aqueous waste material12 Jun 2025US 2025/0186901 A1Pharmalundensis AB
- Vacuum evaporative heat exchanger19 Dec 2024US 2024/0417282 A1Sreus Energy, LLC
- Optical sensor10 Oct 2024US 2024/0337595 A1Hamilton Sundstrand Space Systems International, Inc.
Most cited
By later US patents
- Desalination apparatus with power generation47US 4,302,297 A1981
- Solar/microwave vacuum continuous feed distillation apparatus43US 4,488,935 A1984
- Distillation apparatus with paired membrane units31US 5,340,443 AAquamax Oy · 1994
- Low pressure distillation apparatus22US 5,108,548 AValuepace Limited · 1992
- Purification apparatus21US 4,326,923 A1982