MALTA INC.
52Patents
51Active
52Granted
53Portfolio score
Filing activity: Jul 1, 1993 → Oct 21, 2024
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6180041A | Process for manufacturing a pointer | Physics | 59 | Expired |
| US10233833B2 | Pump control of closed cycle power generation system | Emerging Cross-Sectional Technologies | 51 | Active |
| US10221775B2 | Use of external air for closed cycle inventory control | Emerging Cross-Sectional Technologies | 50 | Active |
| US10233787B2 | Storage of excess heat in cold side of heat engine | Emerging Cross-Sectional Technologies | 50 | Active |
| US10288357B2 | Hybrid pumped thermal systems | Emerging Cross-Sectional Technologies | 47 | Active |
| US10436109B2 | Modular thermal storage | Emerging Cross-Sectional Technologies | 36 | Active |
| US10907510B2 | Storage of excess heat in cold side of heat engine | Emerging Cross-Sectional Technologies | 32 | Active |
| US10907513B2 | Adiabatic salt energy storage | Emerging Cross-Sectional Technologies | 31 | Active |
| US11352951B2 | Variable pressure turbine | Emerging Cross-Sectional Technologies | 30 | Active |
| US10920667B2 | Pump control of closed cycle power generation system | Emerging Cross-Sectional Technologies | 29 | Active |
| US10907548B2 | Use of external air for closed cycle inventory control | Emerging Cross-Sectional Technologies | 28 | Active |
| US10801404B2 | Variable pressure turbine | Emerging Cross-Sectional Technologies | 28 | Active |
| US11053847B2 | Baffled thermoclines in thermodynamic cycle systems | Emerging Cross-Sectional Technologies | 27 | Active |
| US10458721B2 | Pumped thermal storage cycles with recuperation | Emerging Cross-Sectional Technologies | 26 | Active |
| US10443452B2 | Methods of hot and cold side charging in thermal energy storage systems | Emerging Cross-Sectional Technologies | 25 | Active |
| US11156385B2 | Pumped thermal storage cycles with working fluid management | Emerging Cross-Sectional Technologies | 22 | Active |
| US11396826B2 | Pumped heat energy storage system with electric heating integration | Emerging Cross-Sectional Technologies | 17 | Active |
| US11454168B2 | Pump control of closed cycle power generation system | Emerging Cross-Sectional Technologies | 17 | Active |
| US11454167B1 | Pumped heat energy storage system with hot-side thermal integration | Emerging Cross-Sectional Technologies | 17 | Active |
| US11480067B2 | Pumped heat energy storage system with generation cycle thermal integration | Emerging Cross-Sectional Technologies | 16 | Active |
| US11286804B2 | Pumped heat energy storage system with charge cycle thermal integration | Emerging Cross-Sectional Technologies | 16 | Active |
| US11578650B2 | Pumped heat energy storage system with hot-side thermal integration | Emerging Cross-Sectional Technologies | 9 | Active |
| US11512613B2 | Storage of excess heat in cold side of heat engine | Emerging Cross-Sectional Technologies | 7 | Active |
| US11486305B2 | Pumped heat energy storage system with load following | Emerging Cross-Sectional Technologies | 7 | Active |
| US11761336B2 | Adiabatic salt energy storage | Emerging Cross-Sectional Technologies | 7 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.