C02F 1/529
Processes or devices for preparing lime water
Official title: {Processes or devices for preparing lime water}
C02F1/529 (Processes or devices for preparing lime water) appears on 44 US grants and 39 published applications in this corpus.
Search patents in C02F- Granted patents
- 44
- Published applications
- 39
- Assignees
- 25
- Inventors
- 72
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 0 | 7 |
| 2015 | 4 | 6 |
| 2016 | 2 | 0 |
| 2017 | 2 | 5 |
| 2018 | 3 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 4 | 2 |
| 2023 | 1 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for treating phosphogypsum-containing water10 Mar 2026US 12,570,559 B2Evoqua Water Technologies LLC
- Methods and systems for treating phosphogypsum-containing water25 Nov 2025US 12,479,748 B2Evoqua Water Technologies LLC
- Repairing material for emergency treatment of black and odorous surface water environment and its preparation method22 Jul 2025US 12,365,603 B2Jiangnan University
- Systems and methods for desalination of liquids5 Nov 2024US 12,134,571 B2Acquolina Il Mondo, LLC
- Systems and methods for desalination of liquids12 Mar 2024US 11,926,539 B2Acquolina Il Mondo, LLC
- Methods and Systems for Treating Phosphogypsum-Containing Water2 Apr 2026US 2026/0092000 A1Evoqua Water Technologies LLC
- Systems and methods for desalination of liquids25 Sep 2025US 2025/0296856 A1Acquolina Il Mondo, LLC
- Cationic coagulant and flocculant compositions and methods of use to remove organics/inorganics from produced water at high temperature operations4 Sep 2025US 2025/0276922 A1ChampionX LLC
- Process and apparatus for slaking lime21 Aug 2025US 2025/0263335 A1
- Processing flowback produced water for carbon capture and utilization17 Jul 2025US 2025/0230739 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Apparatus and method for dissolving a gas in an aqueous stream33US 4,614,596 A1986
- Quicklime slaking process21US 4,464,353 AChemlime Corporation · 1984
- Method and apparatus for obtaining a suspension and solution14US 4,816,222 A1989
- Process and apparatus for carbon dioxide pretreatment and accelerated limestone dissolution for treatment of acidified water14US 5,914,046 AThe United States of America as represented by the Secretary of the Interior · 1999
- Methods of manufacturing micro-particulated hydrate slurries13US 6,451,281 B1Mississippi Lime Company · 2002