Assignee
MALTA INC
US51 patents
Top patents by PatentIndex Score
US10907510B2Feb 2, 2021
Storage of excess heat in cold side of heat engine
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US10233787B2Mar 19, 2019
Storage of excess heat in cold side of heat engine
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US10233833B2Mar 19, 2019
Pump control of closed cycle power generation system
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Use of external air for closed cycle inventory control
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US11352951B2Jun 7, 2022
Variable pressure turbine
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US11156385B2Oct 26, 2021
Pumped thermal storage cycles with working fluid management
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US10458721B2Oct 29, 2019
Pumped thermal storage cycles with recuperation
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US10443452B2Oct 15, 2019
Methods of hot and cold side charging in thermal energy storage systems
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US10288357B2May 14, 2019
Hybrid pumped thermal systems
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US11454168B2Sep 27, 2022
Pump control of closed cycle power generation system
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US11454167B1Sep 27, 2022
Pumped heat energy storage system with hot-side thermal integration
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US11396826B2Jul 26, 2022
Pumped heat energy storage system with electric heating integration
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US11053847B2Jul 6, 2021
Baffled thermoclines in thermodynamic cycle systems
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US10920667B2Feb 16, 2021
Pump control of closed cycle power generation system
MALTA INC32 citations94
US10907548B2Feb 2, 2021
Use of external air for closed cycle inventory control
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US10907513B2Feb 2, 2021
Adiabatic salt energy storage
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US11480067B2Oct 25, 2022
Pumped heat energy storage system with generation cycle thermal integration
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Pumped heat energy storage system with charge cycle thermal integration
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Variable pressure turbine
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US10436109B2Oct 8, 2019
Modular thermal storage
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US11512613B2Nov 29, 2022
Storage of excess heat in cold side of heat engine
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US11371442B2Jun 28, 2022
Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank
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Pumped heat energy storage system with electric heating integration
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US11761336B2Sep 19, 2023
Adiabatic salt energy storage
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US11754319B2Sep 12, 2023
Pumped thermal storage cycles with turbomachine speed control
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US11578650B2Feb 14, 2023
Pumped heat energy storage system with hot-side thermal integration
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US11486305B2Nov 1, 2022
Pumped heat energy storage system with load following
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US10920674B2Feb 16, 2021
Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank
MALTA INC7 citations84
US10422250B2Sep 24, 2019
Pumped thermal systems with variable stator pressure ratio control
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Pump control of closed cycle power generation system
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US12123347B2Oct 22, 2024
Pumped heat energy storage system with load following
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Pumped heat energy storage system with hot-side thermal integration
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US12012902B2Jun 18, 2024
Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank
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US10458284B2Oct 29, 2019
Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank
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US11655759B2May 23, 2023
Modular thermal storage
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US10830134B2Nov 10, 2020
Modular thermal storage
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US10458283B2Oct 29, 2019
Varying compression ratios in energy storage and retrieval systems
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US11982228B2May 14, 2024
Pumped heat energy storage system with steam cycle
MALTA INC4 citations68
US11852043B2Dec 26, 2023
Pumped heat electric storage system with recirculation
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US12428989B2Sep 30, 2025
Pumped heat energy storage system with load following
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US12173648B2Dec 24, 2024
Pumped heat energy storage system with thermal plant integration
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US12129791B2Oct 29, 2024
Baffled thermoclines in thermodynamic cycle systems
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US11846197B2Dec 19, 2023
Pumped heat energy storage system with charge cycle thermal integration
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US11840932B1Dec 12, 2023
Pumped heat energy storage system with generation cycle thermal integration
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US11591956B2Feb 28, 2023
Baffled thermoclines in thermodynamic generation cycle systems
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US11578622B2Feb 14, 2023
Use of external air for closed cycle inventory control
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US12428979B2Sep 30, 2025
Pumped heat energy storage system integrated with coal-fired energy generation unit
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US10428693B2Oct 1, 2019
Pumped thermal systems with dedicated compressor/turbine pairs
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US10428694B2Oct 1, 2019
Pumped thermal and energy storage system units with pumped thermal system and energy storage system subunits
MALTA INC0 citations51
US12123327B2Oct 22, 2024
Pumped heat energy storage system with modular turbomachinery
MALTA INC0 citations45
Showing the top 50 of 51 patents by PatentIndex Score.