Class F28C : HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
Subclass 3/08: Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour (temperators for cooling steam F22) with change of state, e.g. absorption, evaporation, condensation (generating steam under pressure F22)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264854 | Heat exchange device and cooling system having the same | Oct 31, 22 | Apr 01, 25 | CHROMA ATE INC. |
| 12169099 | Modular counter flow cooling tower | Jun 13, 23 | Dec 17, 24 | Evapco, Inc. |
| 12145015 | Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane | May 22, 24 | Nov 19, 24 | THE CHEMOURS COMPANY FC, LLC |
| 12146659 | Methods, systems, and devices for flue gas cooling | Jan 11, 24 | Nov 19, 24 | Not available |
| 12078385 | Heat dissipation systems with hygroscopic working fluid | Sep 14, 20 | Sep 03, 24 | Energy and Environmental Research Center Foundation |
| 12044485 | Adiabatic pre-cooling redistribution system | Apr 01, 22 | Jul 23, 24 | Evapco, Inc. |
| 12023536 | Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3 tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane | Jan 31, 23 | Jul 02, 24 | THE CHEMOURS COMPANY FC, LLC |
| 12025307 | Methods, systems, and devices for flue gas cooling | May 08, 23 | Jul 02, 24 | NEXT CARBON SOLUTIONS, LLC |
| 12012873 | Apparatus and method of utilizing thermal energy using multi fluid direct contact hydraulic cycles | Jun 21, 22 | Jun 18, 24 | Not available |
| 11894288 | Pressure relief valve and adsorbent chamber for two-phase immersion cooling systems and methods for using same | May 30, 23 | Feb 06, 24 | MTS IP Holdings Ltd |
| 11867464 | Temperature-controlled portable cooling units | Aug 25, 21 | Jan 09, 24 | Tokitae LLC |
| 11674756 | Modular counterflow cooling tower | Dec 14, 21 | Jun 13, 23 | Evapco, Inc. |
| 11525571 | Steam injection heater with integrated cleaning mechanism | May 01, 20 | Dec 13, 22 | Hydro-Thermal Corporation |
| 11479478 | Evaporation panel systems and assemblies | Feb 07, 20 | Oct 25, 22 | ECOVAP, INC. |
| 11465917 | Wastewater evaporative separation systems | Feb 07, 20 | Oct 11, 22 | ECOVAP, INC. |
| 11452965 | Device for producing and treating a gas stream through a volume of liquid, and facility and method implementing said device | Feb 22, 21 | Sep 27, 22 | STARKLAB |
| 11396829 | Apparatus and method of utilizing thermal energy using multi fluid direct contact hydraulic cycles | Mar 14, 18 | Jul 26, 22 | Not available |
| 11378340 | Heat transfer devices and methods of cooling heat sources | Jun 21, 18 | Jul 05, 22 | The Boeing Company |
| 11365938 | Combined convector | May 14, 15 | Jun 21, 22 | FRIGEL FIRENZE S. P. A. |
| 11340019 | Evaporative cooling systems and methods of using | Oct 24, 19 | May 24, 22 | Purdue Research Foundation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0092,648 | COOLING TANK FOR HOT REGIONS | Sep 20, 23 | Mar 20, 25 | Not available |
| 2025/0032,835 | COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE, 1,1,2,3-TETRA-CHLOROPROPENE, 2-CHLORO-3,3,3-TRIFLUOROPROPENE, OR 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE | Oct 10, 24 | Jan 30, 25 | THE CHEMOURS COMPANY FC, LLC |
| 2025/0035,309 | METHODS, SYSTEMS, AND DEVICES FOR FLUE GAS COOLING | Oct 17, 24 | Jan 30, 25 | Not available |
| 2024/0400,414 | WATER PURIFICATION | Oct 03, 22 | Dec 05, 24 | Not available |
| 2024/0404,916 | PRESSURE RELIEF VALVE AND ADSORBENT CHAMBER FOR TWO-PHASE IMMERSION COOLING SYSTEMS AND METHODS FOR USING SAME | Feb 05, 24 | Dec 05, 24 | Not available |
| 2024/0377,078 | HEAT DISSIPATION SYSTEMS WITH HYGROSCOPIC WORKING FLUID | Jul 22, 24 | Nov 14, 24 | Not available |
| 2024/0337,396 | FRESH WATER EVAPORATIVE COOLING SYSTEM | Apr 10, 24 | Oct 10, 24 | Not available |
| 2024/0011,711 | SANITARY DIRECT CONTACT STEAM INJECTION HEATER | Jul 05, 22 | Jan 11, 24 | Hydro-Thermal Corporation |
| 2020/0232,708 | HEAT EXCHANGER | Jul 06, 18 | Jul 23, 20 | Not available |
| 2020/0217,587 | BI-DIRECTIONAL POROUS MEDIA PHASE CHANGE HEAT EXCHANGER | Mar 27, 14 | Jul 09, 20 | Not available |
| 2020/0190,406 | Rapid Thermal Conversion of Biomass | Aug 01, 19 | Jun 18, 20 | Not available |
| 2019/0390,911 | HEAT TRANSFER DEVICES AND METHODS OF COOLING HEAT SOURCES | Jun 21, 18 | Dec 26, 19 | Not available |
| 2018/0238,625 | HYBRID COOLER WITH BIFURCATED EVAPORATIVE SECTION | Feb 13, 18 | Aug 23, 18 | Not available |
| 2016/0116,217 | BOND HEAD COOLING APPARATUS | Oct 27, 14 | Apr 28, 16 | ASM TECHNOLOGY SINGAPORE PTE LTD |
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