Class F01K : STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
Subclass 3/12: Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein (regenerating exhaust steam F01K 19/00) having two or more accumulators
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12255579 | Low cost dispatchable solar power | Jul 11, 19 | Mar 18, 25 | Raygen Resources Pty Ltd |
| 12221906 | System and method for realizing transformation of thermal power unit based on combined high-parameter and low-parameter molten salts | Jul 11, 23 | Feb 11, 25 | Xi'an Thermal Power Research Institute Co., L |
| 12196499 | Energy storage and retrieval system comprising a regenerator and an electrical machine coupled to a compressor and an expander | Jun 17, 21 | Jan 14, 25 | KAAJ ENERGY INC. |
| 12173648 | Pumped heat energy storage system with thermal plant integration | Aug 12, 21 | Dec 24, 24 | Malta Inc. |
| 12168944 | Absorption Carnot battery | Dec 20, 23 | Dec 17, 24 | City University of Hong Kong |
| 12140052 | Plant and process for energy storage | Sep 25, 20 | Nov 12, 24 | ENERGY DOME S.P.A. |
| 12123326 | Apparatus and methods for the storage of energy as heat | Oct 09, 20 | Oct 22, 24 | SYNCHROSTOR LIMITED |
| 12123327 | Pumped heat energy storage system with modular turbomachinery | Feb 10, 23 | Oct 22, 24 | Malta Inc. |
| 12012902 | Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank | Jun 27, 22 | Jun 18, 24 | Malta Inc. |
| 11994347 | Systems for managing thermal energy within a thermal storage solution | Jun 23, 22 | May 28, 24 | Antora Energy, Inc. |
| 11982228 | Pumped heat energy storage system with steam cycle | Aug 12, 21 | May 14, 24 | Malta Inc. |
| 11940224 | Method of operating a thermal energy storage system | Mar 02, 22 | Mar 26, 24 | Stiesdal Storage A/S |
| 11940226 | Thermal energy storage system with phase change material and method of its operation | Mar 23, 22 | Mar 26, 24 | Stiesdal Storage A/S |
| 11873739 | Plant and process for energy management | Jun 08, 21 | Jan 16, 24 | ENERGY DOME S.P.A. |
| 11852043 | Pumped heat electric storage system with recirculation | Nov 16, 20 | Dec 26, 23 | Malta Inc. |
| 11840943 | Flexible integration of stored heat and electric resources (fisher) | Jul 22, 22 | Dec 12, 23 | PINTAIL POWER LLC |
| 11828203 | Plant and process for storing and discharging thermal energy | Dec 21, 20 | Nov 28, 23 | ENERGY DOME S.P.A. |
| 11761336 | Adiabatic salt energy storage | Feb 01, 21 | Sep 19, 23 | Malta Inc. |
| 11754319 | Pumped thermal storage cycles with turbomachine speed control | Oct 25, 21 | Sep 12, 23 | Malta Inc. |
| 11655759 | Modular thermal storage | Nov 09, 20 | May 23, 23 | Malta Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0101,886 | LONG-DURATION PHES SYSTEMS WITH MODULAR CONFIGURATIONS | Jan 10, 23 | Mar 27, 25 | Not available |
| 2025/0101,912 | PUMPED HEAT ENERGY STORAGE SYSTEM WITH THERMAL PLANT INTEGRATION | Dec 04, 24 | Mar 27, 25 | Not available |
| 2025/0084,773 | DUAL-POWERTRAIN PUMPED HEAT ENERGY STORAGE WITH INVENTORY CONTROL AND PURGE | Nov 21, 24 | Mar 13, 25 | Not available |
| 2024/0337,220 | VARIABLE PRESSURE INVENTORY CONTROL OF CLOSED CYCLE SYSTEM WITH A HIGH PRESSURE TANK AND AN INTERMEDIATE PRESSURE TANK | Jun 14, 24 | Oct 10, 24 | Not available |
| 2024/0318,923 | SYSTEMS FOR MANAGING THERMAL ENERGY WITHIN A THERMAL STORAGE SOLUTION | Apr 09, 24 | Sep 26, 24 | Not available |
| 2024/0309,781 | WASTE HEAT INTEGRATION INTO PUMPED THERMAL ENERGY STORAGE | Feb 06, 24 | Sep 19, 24 | SUPERCRITICAL STORAGE COMPANY, INC. |
| 2024/0301,821 | PUMPED HEAT ENERGY STORAGE SYSTEM WITH STEAM CYCLE | May 13, 24 | Sep 12, 24 | Not available |
| 2024/0159,168 | DUAL-POWERTRAIN PUMPED HEAT ENERGY STORAGE WITH INVENTORY CONTROL AND PURGE | Dec 21, 23 | May 16, 24 | Not available |
| 2024/0085,119 | Method of Operating a Thermal Energy Storage System | Mar 02, 22 | Mar 14, 24 | Not available |
| 2022/0372,893 | MECHANICAL ENERGY GENERATION SYSTEM WITH ENERGY RECOVERY AND A METHOD THEREOF | Oct 15, 20 | Nov 24, 22 | MAXEFF TEKNOLOJI ANONIM SIRKETI |
| 2020/0182,095 | CARBON DIOXIDE UPGRADE AND ENERGY STORAGE SYSTEM AND METHOD | Aug 29, 18 | Jun 11, 20 | Not available |
| 2019/0212,070 | Hybrid Pumped Thermal Systems | Mar 15, 19 | Jul 11, 19 | Not available |
| 2019/0162,122 | Use of External Air for Closed Cycle Inventory Control | Jan 29, 19 | May 30, 19 | Not available |
| 2017/0175,585 | METHOD AND INSTALLATION FOR STORING AND RECOVERING ENERGY | Apr 02, 15 | Jun 22, 17 | LINDE AKTIENGESELLSCHAFT |
| 2016/0069,218 | POWER PLANT SYSTEM HAVING A THERMOCHEMICAL ACCUMULATOR | Mar 03, 14 | Mar 10, 16 | SIEMENS AKTIENGESELLSCHAFT |
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