F02G 1/043

Sub-Class

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Description

Class  F02G : HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEMENT ENGINE PLANTS


Subclass 1/043: Hot gas positive-displacement engine plants (positive-displacement engine plants characterised by the working gas being generated by combustion in the plant F02G 3/00) of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12228094 System and apparatus for energy conversionJul 06, 20Feb 18, 25Hyliion Holdings Corp.
12186166 Heat-assisted pumping systems for use in negative pressure wound therapyJul 26, 21Jan 07, 25Smith & Nephew PLC
12188441 Direct current power plantAug 09, 23Jan 07, 25DEKA Products Limited Partnership
12129812 Engine apparatus and method for operationMay 20, 20Oct 29, 24Hyliion Holdings Corp.
12129039 Electric propulsion system of an aircraftNov 24, 21Oct 29, 24Airbus SAS
12104507 Plant for producing mechanical energy from a carrier fluid under cryogenic conditionsDec 14, 21Oct 01, 24SYLANS SAGL
12104552 Stirling cycle machineAug 03, 21Oct 01, 24DEKA Products Limited Partnership
12084991 Plant for producing mechanical energy from a carrier fluid under cryogenic conditionsDec 14, 21Sep 10, 24SYLANS SAGL
12078123 Stirling cycle machineSep 07, 22Sep 03, 24DEKA Products Limited Partnership
12038214 Method for improving gas bearing function at low thermal cooling powerApr 14, 22Jul 16, 24GLOBAL COOLING, INC.
12000641 Thermoacoustic deviceOct 08, 20Jun 04, 24NEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ONDERZOEK TNO
11976610 Constant density heat exchanger and system for energy conversionMar 20, 23May 07, 24Hyliion Holdings Corp.
11859589 Direct current power plantMay 19, 22Jan 02, 24DEKA Products Limited Partnership
11739711 Energy conversion apparatusOct 18, 21Aug 29, 23Hyliion Holdings Corp.
11725607 Hot air engine having a step pistonDec 16, 21Aug 15, 23FRAUSCHER HOLDING GMBH
11629663 Energy conversion apparatusJan 28, 22Apr 18, 23General Electric Company
11535240 Computer controlled solid state switching device for electrical system in a Stirling-electric hybrid vehicleMay 15, 18Dec 27, 22Not available
11530668 Closed cycle regenerative heat enginesMay 25, 21Dec 20, 22Stirling Works Global Ltd
11502628 Energy storage systemOct 16, 18Nov 15, 22BME DR. GOLBS & PARTNER GMBH
11499501 Stirling engine design and assemblyJan 29, 20Nov 15, 22AZELIO AB

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0093,078 HEAT EXCHANGER FOR STIRLING MACHINE, METHOD FOR MANUFACTURING HEAT EXCHANGER, AND STIRLING MACHINESep 06, 24Mar 20, 25Honda Motor Co. Ltd.
2025/0067,230 STIRLING CYCLE MACHINEAug 30, 24Feb 27, 25Not available
2025/0027,461 STIRLING CYCLE MACHINESep 30, 24Jan 23, 25Not available
2024/0384,693 Thermodynamic CycleSep 16, 22Nov 21, 24Not available
2024/0376,850 FREE-PISTON STIRLING ENGINEAug 08, 22Nov 14, 24Twinbird Corporation
2024/0337,259 ASYMMETRIC GAS BEARING BUSHING FOR THERMO-PUMPJan 23, 24Oct 10, 24Not available
2024/0271,588 HEAT ENERGY CONVERSION DEVICEMay 16, 22Aug 15, 24Not available
2024/0271,836 Thermoacoustic deviceApr 29, 24Aug 15, 24NEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ONDERZOEK TNO
2024/0271,835 STIRLING ENGINE WITH NEAR ISOTHERMAL WORKING SPACESMay 31, 22Aug 15, 24Not available
2024/0159,201 MONOLITHIC HEAT-EXCHANGER BODIESJan 26, 24May 16, 24Not available
2024/0093,663 DIRECT CURRENT POWER PLANTNov 20, 23Mar 21, 24Not available
2022/0316,423 HEAT ENGINEMar 18, 22Oct 06, 22Not available
2022/0186,679 PRESSURE BOOST SYSTEMFeb 06, 20Jun 16, 22EATON INTELLIGENT POWER LIMITED
2021/0054,806 DEVICES, SYSTEMS, AND METHODS FOR GENERATING POWERAug 21, 19Feb 25, 21Taiwan Happy Energy Co., Ltd.
2020/0370,506 MONOLITHIC HEATER BODIESMay 20, 20Nov 26, 20Not available
2020/0011,271 HEAT ENGINE WITH A DYNAMICALLY CONTROLLABLE HYDRAULIC OUTLETSep 13, 17Jan 09, 20Not available
2019/0376,468 Stirling Cycle MachineAug 22, 19Dec 12, 19Not available
2019/0368,442 Solid Particle Fuel BurnerMay 07, 19Dec 05, 19Not available
2019/0331,056 ENERGY TRANSFER MACHINESNov 29, 18Oct 31, 19Not available
2019/0055,898 Free Piston Engine Power PlantOct 21, 16Feb 21, 19Not available

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Top Owners in This Subclass

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Patents Issued To Date - By Filing Year

Average Time to Issuance