REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS (heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants, or materials for the production of heat or cold by chemical reactions other than by combustion C09K 5/00; pumps, compressors F04; use of heat pumps for domestic or space-heating or for domestic hot-water supply F24D; air-conditioning, air-humidification F24F; fluid heaters using heat pumps F24H)
| Subclass | Title |
|---|---|
| 1/00 | Compression machines, plant or systems with non-reversible cycle (F25B 3/00, F25B 5/00, F25B 6/00, F25B 7/00, F25B 9/00 take precedence) |
| 1/02 | Compression machines, plant or systems with non-reversible cycle (F25B 3/00, F25B 5/00, F25B 6/00, F25B 7/00, F25B 9/00 take precedence) with compressor of reciprocating-piston type (F25B 1/1 takes precedence) |
| 1/04 | Compression machines, plant or systems with non-reversible cycle (F25B 3/00, F25B 5/00, F25B 6/00, F25B 7/00, F25B 9/00 take precedence) with compressor of rotary type (F25B 1/1 takes precedence) |
| 1/047 | Compression machines, plant or systems with non-reversible cycle (F25B 3/00, F25B 5/00, F25B 6/00, F25B 7/00, F25B 9/00 take precedence) with compressor of rotary type (F25B 1/1 takes precedence) of screw type |
| 1/053 | Compression machines, plant or systems with non-reversible cycle (F25B 3/00, F25B 5/00, F25B 6/00, F25B 7/00, F25B 9/00 take precedence) with compressor of rotary type (F25B 1/1 takes precedence) of turbine type |
| 1/06 | Compression machines, plant or systems with non-reversible cycle (F25B 3/00, F25B 5/00, F25B 6/00, F25B 7/00, F25B 9/00 take precedence) with compressor of jet type, e.g. using liquid under pressure (F25B 1/1 takes precedence) |
| 1/08 | Compression machines, plant or systems with non-reversible cycle (F25B 3/00, F25B 5/00, F25B 6/00, F25B 7/00, F25B 9/00 take precedence) with compressor of jet type, e.g. using liquid under pressure (F25B 1/1 takes precedence) using vapour under pressure |
| 1/10 | Compression machines, plant or systems with non-reversible cycle (F25B 3/00, F25B 5/00, F25B 6/00, F25B 7/00, F25B 9/00 take precedence) with multi-stage compression (with cascade operation F25B 7/00) |
| 3/00 | Self-contained rotary compression machines, i.e. with compressor, condenser, and evaporator rotating as a single unit |
| 5/00 | Compression machines, plant, or systems, with several evaporator circuits, e.g. for varying refrigerating capacity (with cascade operation F25B 7/00) |
| 5/02 | Compression machines, plant, or systems, with several evaporator circuits, e.g. for varying refrigerating capacity (with cascade operation F25B 7/00) arranged in parallel |
| 5/04 | Compression machines, plant, or systems, with several evaporator circuits, e.g. for varying refrigerating capacity (with cascade operation F25B 7/00) arranged in series |
| 6/00 | Compression machines, plant, or systems, with several condenser circuits |
| 6/02 | Compression machines, plant, or systems, with several condenser circuits arranged in parallel |
| 6/04 | Compression machines, plant, or systems, with several condenser circuits arranged in series |
| 7/00 | Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit (F25B 9/00 takes precedence) |
| 9/00 | Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point |
| 9/02 | Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect |
| 9/04 | Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect using vortex effect |
| 9/06 | Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point using expanders (F25B 9/1 takes precedence) |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0116,426 | APPARATUS AND METHODS FOR HEATING WATER WITH REFRIGERANT FROM AIR CONDITIONING SYSTEM | Dec 17, 24 | Apr 10, 25 | Not available |
| 2025/0116,431 | MULTI-STAGE COOLING SYSTEM | Aug 12, 24 | Apr 10, 25 | Not available |
| 2025/0116,432 | MODIFIED BRAYTON REFRIGERATION CYCLES FOR FORCED-FLOW COOLING OF HTS FUSION SYSTEM | Oct 04, 24 | Apr 10, 25 | Hongik University Industry-Academia Cooperation Foundation |
| 2025/0116,433 | MODIFIED BRAYTON REFRIGERATION CYCLES FOR FORCED-FLOW COOLING OF HTS FUSION SYSTEM | Oct 04, 24 | Apr 10, 25 | Hongik University Industry-Academia Cooperation Foundation |
| 2025/0116,434 | CRYOGENIC REFRIGERATOR | Dec 16, 24 | Apr 10, 25 | Sumitomo Heavy Industries Ltd. |
| 2025/0116,435 | THERMAL STORAGE ABSORPTION REFRIGERATION UNIT | Dec 18, 24 | Apr 10, 25 | Not available |
| 2025/0116,436 | MULTI-ENERGY COUPLED COOLING/HEATING SYSTEM FOR BUILDINGS IN LONG-TERM COOLING REGION AND OPERATION METHOD | Dec 19, 24 | Apr 10, 25 | Not available |
| 2025/0116,438 | INCREASING A FLOW RATE OF OIL INTO A COMPRESSOR OF A REFRIGERATION ASSEMBLY | Dec 19, 24 | Apr 10, 25 | Not available |
| 2025/0116,439 | Refrigerant Piping, Method for Manufacturing Refrigerant Piping, Connection Structure for Refrigerant Piping, and Valve Device | Oct 19, 22 | Apr 10, 25 | Not available |
| 2025/0116,440 | PRESSURE VESSEL AND REFRIGERATION APPARATUS | Dec 19, 24 | Apr 10, 25 | DAIKIN INDUSTRIES, LTD. |
| 2025/0116,441 | SMART ACCUMULATOR WITH OIL CIRCULATION RATIO SENSING | Dec 19, 24 | Apr 10, 25 | Purdue Research Foundation |
| 2025/0116,442 | CONDENSER VESSEL, SYSTEM, AND METHOD FOR SEPARATING OIL FROM AN OIL-REFRIGERANT MIXTURE | Sep 27, 24 | Apr 10, 25 | Not available |
| 2025/0116,443 | REFRIGERANT AMOUNT MEASUREMENT SYSTEM AND REFRIGERANT USE SYSTEM | Dec 16, 24 | Apr 10, 25 | DAIKIN INDUSTRIES, LTD. |
| 2025/0116,444 | CRYOGENIC SYSTEM AND CONTROL METHOD FOR CRYOGENIC SYSTEM | Dec 17, 24 | Apr 10, 25 | Sumitomo Heavy Industries Ltd. |
| 2025/0116,449 | ACTIVE VAPORIZATION OF MOISTURE IN A THERMOELECTRIC MODULE OR SUBSYSTEM | Oct 07, 24 | Apr 10, 25 | Not available |
| 2025/0116,981 | FOODSTUFF SENSING APPLIANCE | Dec 18, 24 | Apr 10, 25 | Whirlpool Corporation |
| 2025/0115,796 | REFRIGERATION CYCLE APPARATUS | Dec 19, 24 | Apr 10, 25 | DAIKIN INDUSTRIES, LTD. |
| 2025/0116,346 | ELECTRIC VALVE CONTROL DEVICE, ELECTRIC VALVE DEVICE, AND METHOD FOR CONTROLLING ELECTRIC VALVE | Jan 30, 23 | Apr 10, 25 | Not available |
| 2025/0107,580 | COOLING DEVICE FOR CLOTHES | Oct 18, 23 | Apr 03, 25 | RiBLE, Inc. |
| 2025/0108,322 | MID-PRESSURE WATER SEPARATION FOR ENVIRONMENTAL CONTROL SYSTEM | Oct 03, 23 | Apr 03, 25 | Not available |
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