| Patents for F25B 9 - Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point (9,862) |
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| 11/01/1977 | US4055961 Device for liquefying gases |
| 10/04/1977 | US4051689 Air separating apparatus |
| 09/20/1977 | US4048814 Refrigerating plant using helium as a refrigerant |
| 09/13/1977 | US4047394 3 He-4 He dilution refrigerating machine |
| 09/13/1977 | US4047392 Dual rotor heat exchanger |
| 09/06/1977 | US4046533 Refrigeration working fluid containing branched chain alkylbenzene lubricant |
| 08/30/1977 | US4044558 Thermal oscillator |
| 08/16/1977 | US4042011 Refrigeration control |
| 08/16/1977 | US4041968 Quick cooling cryostat valve |
| 07/26/1977 | US4037426 Cold producing process |
| 06/21/1977 | US4030900 Cooling device |
| 06/21/1977 | US4030899 Liquefied gas, heat exchangers |
| 06/14/1977 | US4028907 Adjustable-Joule-Thomson cryogenic cooler with downstream thermal compensation |
| 06/07/1977 | US4028079 Cascade refrigeration system |
| 05/31/1977 | US4026120 Natural gas thermal extraction process and apparatus |
| 05/10/1977 | US4022030 Thermal cycle for the compression of a fluid by the expansion of another fluid |
| 05/03/1977 | US4021215 Aircraft |
| 04/26/1977 | US4019336 Refrigerator |
| 04/26/1977 | US4019335 Hydraulically actuated split stirling cycle refrigerator |
| 04/19/1977 | US4018227 Cryosurgical instrument |
| 04/19/1977 | US4018060 Air conditioning system for aircraft |
| 04/12/1977 | US4017285 Heat pump-refrigeration system with water injection and regenerative heat exchanger |
| 04/05/1977 | US4015441 Refrigeration apparatus |
| 04/05/1977 | US4015438 Air cycle air conditioning system for vehicles |
| 03/29/1977 | US4014384 Breathing gas heater for use by a diver comprising double walled cylinder and inner container filled with hot liquid prior to use |
| 03/29/1977 | US4014179 Air conditioning system for aircraft |
| 03/08/1977 | US4010621 Stirling cycle heat pump |
| 01/11/1977 | US4002039 Self-regulating cryostat |
| 12/28/1976 | US3999403 Thermal interface for cryogen coolers |
| 12/28/1976 | US3999402 Cam drive pump refrigerators |
| 11/23/1976 | US3992893 Method for the production of superfluid helium under pressure at very low temperature and an apparatus for carrying out said method |
| 11/16/1976 | US3992167 Low temperature refrigeration process for helium or hydrogen mixtures using mixed refrigerant |
| 11/16/1976 | US3991586 Solenoid controlled cold head for a cryogenic cooler |
| 11/16/1976 | US3991585 Cold-gas refrigerator |
| 11/09/1976 | US3990265 Joule-Thomson liquifier utilizing the Leidenfrost principle |
| 11/02/1976 | US3988905 Reversible mechanical-thermal energy cell |
| 10/19/1976 | US3986338 Method and apparatus for generating low temperatures |
| 10/05/1976 | US3983714 Cryostat system for temperatures on the order of 2°K or less |
| 09/28/1976 | US3982378 Energy conversion device |
| 09/07/1976 | US3978682 Refrigeration method and apparatus by converting 4 He to A superfluid |
| 08/31/1976 | US3977852 Compressor-expander with volume compensation |
| 08/10/1976 | US3973396 Gas turbine power plant |
| 08/03/1976 | US3972203 Rotary heat exchanger |
| 08/03/1976 | US3972202 Closed loop cryogenic delivery |
| 07/27/1976 | US3971383 Cryogenic surgical instrument |
| 07/27/1976 | US3971230 Stirling cycle engine and refrigeration systems |
| 07/20/1976 | US3970851 Spray cooling for infrared telescope |
| 07/20/1976 | US3970850 Pool cooling infrared telescope |
| 07/20/1976 | US3969908 Artificial snow making method |
| 07/13/1976 | US3968659 Process for separating water and liquid hydrocarbons from a fluid flow medium |
| 07/06/1976 | US3967466 Air conditioning system having super-saturation for reduced driving requirement |
| 06/29/1976 | US3965697 Compressor and air cooling system employing same |
| 06/15/1976 | US3962888 Heat exchanger |
| 05/18/1976 | US3956904 Compressor-expander for refrigeration having dual rotor assembly |
| 04/27/1976 | US3952543 Quick cooling cryostat with valve utilizing Simon cooling and Joule Thompson expansion |
| 03/23/1976 | US3945218 Environment control system |
| 03/09/1976 | US3942330 Gas drying apparatus and method |
| 03/02/1976 | US3942010 Joule-Thomson cryostat cooled infrared cell having a built-in thermostat sensing element |
| 02/10/1976 | US3937030 Method and device for gas refrigeration |
| 02/10/1976 | US3937018 Power piston actuated displacer piston driving means for free-piston stirling cycle type engine |
| 01/20/1976 | US3933003 Cryostat control |
| 01/13/1976 | US3932158 System for cooling an object with coolant cycle |