Description
Class C02F : TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Subclass 1/08: Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation Thin film evaporation
C02F 1/08
Sub-Class
Stats
- 50 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 28 Total Patent Owners
- 130 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10590010 | Processes for the separation of water from aqueous systems | Oct 27, 16 | Mar 17, 20 | Solenis Technologies, L.P. |
| 10584041 | Water treatment system | Aug 29, 16 | Mar 10, 20 | Renew Health Ltd |
| 10479928 | Water treatment schemes for injection water flooding recovery processes in carbonate reservoirs | Aug 09, 17 | Nov 19, 19 | Saudi Arabian Oil Company |
| 10479701 | Production of ultra-high-density brines using transiently-operated desalination systems | Apr 30, 18 | Nov 19, 19 | Gradiant Corporation |
| 10465491 | Oil and gas well produced saltwater treatment system | Aug 24, 17 | Nov 05, 19 | Not available |
| 10449468 | Stacked type falling film evaporator, zero liquid discharge system comprising the same, and zero liquid discharging method using the same | Dec 02, 14 | Oct 22, 19 | Doosan Heavy Industries Construction Co., Ltd. |
| 10435307 | Evaporator for SAGD process | Jan 12, 15 | Oct 08, 19 | Private Equity Oak LP |
| 10350508 | Controlled thin film vapor generator for liquid volume reduction | Mar 18, 15 | Jul 16, 19 | R3 Fusion, Inc. |
| 10315932 | Device, apparatus and method for desalinating seawater | May 27, 14 | Jun 11, 19 | CENTRE INTERNACIONAL DE MÉTODES NUMÈRICS EN ENGINYERIA |
| 10294137 | Apparatus for evaporative concentration of water to be treated, which uses hot lime softening, and method for evaporative concentration of water using the same | Sep 19, 16 | May 21, 19 | Doosan Heavy Industries Construction Co., Ltd. |
| 10273168 | System for processing water and generating water vapor for other processing uses | Oct 26, 15 | Apr 30, 19 | VERNO HOLDINGS, LLC |
| 10239766 | Evaporator sump and process for separating contaminants resulting in high quality steam | Jan 21, 15 | Mar 26, 19 | Private Equity Oak LP |
| 10150050 | Solar powered water purification device with cylindrical structure | Jun 21, 17 | Dec 11, 18 | Research Foundation of the City University of New York; Sun Fresh Water, LLC; |
| 10118836 | Apparatus, use of apparatus and process for desalination of water | Feb 13, 13 | Nov 06, 18 | Sulzer Chemtech AG |
| 10065130 | Thin film systems and methods for using same | May 28, 13 | Sep 04, 18 | Empire Technology Development LLC |
| 10010811 | Evaporation-condensation systems and methods for their manufacture and use | May 28, 13 | Jul 03, 18 | Empire Technology Development LLC |
| 9993742 | Evaporation element and process using same | Aug 25, 15 | Jun 12, 18 | LESICO TECHNOLOGIES LTD. |
| 9968865 | Multiple effect with vapor compression distillation apparatus | Aug 25, 17 | May 15, 18 | Not available |
| 9873618 | Measurement system included in desalination system, desalination system, and desalination method | Sep 29, 14 | Jan 23, 18 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. |
| 9862621 | Desalination apparatus and desalination method | Nov 24, 14 | Jan 09, 18 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0225,506 | ENERGY-SAVING SEAWATER DESALINATION DEVICE USING POWER GENERATED IN COMPLEMENTARY COOPERATION OF WIND ENERGY AND LIGHT ENERGY, AND CONTROL METHOD | Jul 12, 17 | Jul 25, 19 | Not available |
| 2018/0134,578 | Liquid Purification with Film Heating | May 13, 16 | May 17, 18 | Not available |
| 2017/0029,716 | APPARATUS AND PROCESS FOR REMOVAL OF WATER (BOTH BOUND AND UNBOUND) FROM PETROLEUM SLUDGES AND EMULSIONS THROUGH APPLICATION OF HEAT ALONE, WITH VIEW TO RETRIEVE ENTIRE HYDROCARBONS PRESENT THEREIN | Mar 04, 15 | Feb 02, 17 | NAGAARJUNA SHUBHO GREEN TECHNOLOGIES PRIVATE LIMITED |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)