Description
Class C02F : TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Subclass 1/04: Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation
C02F 1/04
Sub-Class
Stats
- 939 US PATENTS IN FORCE
- 236 US APPLICATIONS PENDING
- 211 Total Patent Owners
- 2,434 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12257550 | Thermal vapor compression membrane distillation hybrid using vapor selective membranes | Nov 23, 21 | Mar 25, 25 | Purdue Research Foundation |
| 12258280 | Method for concentrating and purifying eluate brine for the production of a purified lithium compound | Mar 09, 20 | Mar 25, 25 | VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT |
| 12258522 | Direct contact process and method for producing hot water using mature fine tailings (MFT) | Oct 12, 22 | Mar 25, 25 | Her Majesty the Queen in right of Canada as represented by the Minister of Natural Resources |
| 12252425 | System and method for treating evaporator blowdown | Jul 22, 20 | Mar 18, 25 | Veolia Water Technologies, Inc. |
| 12252428 | System and method for recovering ammonia from an ammonia-containing liquid | May 27, 22 | Mar 18, 25 | Process Limited |
| 12246979 | Method and system for providing ultrapure water with flexible lamp configuration | Jun 05, 23 | Mar 11, 25 | Evoqua Water Technologies LLC |
| 12246974 | Systems and methods of removing per- and polyfluoroalkyl substances (PFAS) with calcium oxide | Jan 19, 22 | Mar 11, 25 | NOBLIS, INC. |
| 12246978 | Water treatment system and method | Nov 19, 20 | Mar 11, 25 | Hyperion Water Technologies LLC |
| 12233354 | Device for desalination by liquid water jet compression | Apr 08, 21 | Feb 25, 25 | WGA WATER GLOBAL ACCESS, SL; |
| 12221360 | Low energy ejector desalination system | Sep 23, 22 | Feb 11, 25 | BECHTEL ENERGY TECHNOLOGIES & SOLUTIONS, INC. |
| 12221361 | Enhanced leachate evaporation with heat induced acceleration process | Jan 09, 24 | Feb 11, 25 | Custom Environmental Consulting LLC |
| 12215042 | Wastewater purification method | Jul 01, 22 | Feb 04, 25 | LG Chem, Ltd. |
| 12208360 | Treated water drying device and boiler system including the same | Mar 18, 19 | Jan 28, 25 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 12209034 | Temperature swing solvent extraction for descaling of feedstreams | Apr 06, 23 | Jan 28, 25 | The Trustees of Columbia University in the City of New York |
| 12202755 | Segregation and treatment of waste water streams for enhanced oil recovery | Dec 20, 22 | Jan 21, 25 | Saudi Arabian Oil Company |
| 12195349 | Preparation method and application of amorphous metal oxide hollow multi-shell material | Jun 25, 21 | Jan 14, 25 | Institute of Process Engineering Chinese Academy of Sciences |
| 12195356 | System for treating bio-contaminated wastewater and process for decontaminating a wastewater source | Feb 15, 23 | Jan 14, 25 | VERNO HOLDINGS, LLC |
| 12195357 | Solar-powered buoyant evaporation system | Oct 25, 23 | Jan 14, 25 | E3 Solutions, LLC, (f/k/a Isolated Evaporation Services, LLC) |
| 12195358 | Produced water evaporation system | Aug 12, 20 | Jan 14, 25 | Heat IP Holdco, LLC |
| 12195361 | System and method to sustainable integrated wastewater treatment and air-cooling in a steelmaking plant | Feb 21, 23 | Jan 14, 25 | Saudi Arabian Oil Company |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0109,045 | MOBILE INJECTION UNIT BASED EFFLUENT TREATMENT DEVICE AND SYSTEM | Sep 30, 24 | Apr 03, 25 | Not available |
| 2025/0100,902 | EFFLUENT LIQUID EVAPORATOR | Sep 23, 24 | Mar 27, 25 | Not available |
| 2025/0091,009 | DESALINATION AND COOLING SYSTEM INTEGRATING VACUUM MEMBRANE DISTILLATION AND EJECTOR COOLING CYCLE | Sep 18, 23 | Mar 20, 25 | King Fahd University of Petroleum and Minerals |
| 2025/0091,905 | PRODUCTION OF SYNTHETIC HYDROCARBONS | Nov 29, 24 | Mar 20, 25 | Not available |
| 2025/0091,906 | TEMPERATURE SWING SOLVENT EXTRACTION FOR DESCALING OF FEEDSTREAMS | Dec 05, 24 | Mar 20, 25 | Columbia University/The Trustees of Columbia University in the City of New York |
| 2025/0083,978 | Destruction of PFAS Via an Oxidation Process and Apparatus Suitable for Transportation to Contaminated Sites | Sep 02, 24 | Mar 13, 25 | Not available |
| 2025/0059,066 | CAPILLARY DISTILLATION METHOD AND DEVICE | Mar 04, 24 | Feb 20, 25 | GUANGDONG UNIVERSITY OF TECHNOLOGY |
| 2025/0059,067 | Systems, Methods, and Compositions for Purifying Water | Aug 30, 24 | Feb 20, 25 | Battelle Memorial lnstitute |
| 2025/0031,728 | Drinking Formulation for Maintaining Urinary Tract Health in Cats | Oct 17, 24 | Jan 30, 25 | LES PRODUITS VETWATER INC. |
| 2025/0034,000 | DISPOSAL OF CONTAMINATED WATER | Jul 25, 24 | Jan 30, 25 | Not available |
| 2025/0025,808 | Low Evaporation Water Purifier | Sep 10, 24 | Jan 23, 25 | Not available |
| 2025/0020,320 | STRUCTURES FOR SOLAR VAPOR EVAPORATION AND CONDENSATION | Nov 21, 22 | Jan 16, 25 | Not available |
| 2025/0011,661 | SYSTEMS AND METHODS FOR ENHANCED INORGANIC CONTAMINANT REMOVAL FROM HYDROCARBON FEEDSTOCK | Sep 06, 24 | Jan 09, 25 | Not available |
| 2025/0002,374 | Arrangements for treating wastewater | Sep 13, 24 | Jan 02, 25 | Not available |
| 2025/0002,382 | Preventing Hydrogen Embrittlement During Supercritical Water Oxidation (SCWO) of PFAS | Apr 05, 23 | Jan 02, 25 | Not available |
| 2024/0424,422 | AN EVAPORATION UNIT FOR A BRINE RECYCLING PLANT | Feb 16, 22 | Dec 26, 24 | Not available |
| 2024/0424,425 | Heat Exchanger, Method of Operating a Heat Exchanger and Process Water Distillation System | Jul 26, 22 | Dec 26, 24 | Not available |
| 2024/0417,281 | METHOD FOR TREATING WASTEWATER OF NEOPENTYL GLYCOL | Sep 01, 23 | Dec 19, 24 | Not available |
| 2024/0417,282 | VACUUM EVAPORATIVE HEAT EXCHANGER | Mar 27, 24 | Dec 19, 24 | Not available |
| 2024/0409,441 | SYSTEM AND METHOD FOR MULTI-FUNCTIONAL SLURRY PROCESSING | Sep 29, 23 | Dec 12, 24 | SEDRON TECHNOLOGIES, LLC |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 27 Months (last 2 years Issuances)
- 27 Months (last 5 years Issuances)