Class F25B : REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
Subclass 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
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264852 | Compressor and seal | Mar 20, 23 | Apr 01, 25 | Honeywell International, Inc. |
| 12169081 | Integrated expander and motor-compressor assembly and closed loop cooling circuit comprising such an assembly | Jan 08, 21 | Dec 17, 24 | Thermodyn SAS |
| 12163711 | Surge prevention in a chiller with centrifugal compressor | Jun 25, 21 | Dec 10, 24 | Carrier Corporation |
| 12158165 | Centrifugal compressor with liquid injection | Mar 10, 21 | Dec 03, 24 | Daikin Industries Ltd. |
| 12066220 | Refrigeration unit with dynamic air cooling and a working element of the unit | Jan 27, 21 | Aug 20, 24 | DAC SP. Z O.O. |
| 12050036 | System and method for cooling power electronics of refrigerant compressors | Mar 16, 21 | Jul 30, 24 | Danfoss A/.S |
| 12018693 | Method and system for compressor operating range extension via active valve control | May 11, 20 | Jun 25, 24 | Carrier Corporation |
| 11994321 | High performance compressors and vapor compression systems | Jan 03, 20 | May 28, 24 | ASPEN COMPRESSOR LLC |
| 11971045 | Turbo compressor | May 08, 18 | Apr 30, 24 | Daikin Industries Ltd. |
| 11846296 | Flushing of a touchdown bearing | Feb 26, 21 | Dec 19, 23 | Carrier Corporation |
| 11841173 | Variable stage compressors | Jun 28, 19 | Dec 12, 23 | Danfoss A/S |
| 11835053 | System and method for predicting a surge of a centrifugal refrigeration compressor and air-conditioning unit | Aug 08, 19 | Dec 05, 23 | Carrier Corporation |
| 11827832 | Grease and refrigeration cycle apparatus using grease as lubricant | Sep 23, 22 | Nov 28, 23 | DAIKIN INDUSTRIES, LTD. |
| 11815295 | Refrigeration device and facility | Jul 08, 20 | Nov 14, 23 | L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude |
| 11807796 | Heat transport device and heat transport method using same | Oct 31, 17 | Nov 07, 23 | DAIKIN INDUSTRIES, LTD. |
| 11781787 | Chiller system with direct-drive switched reluctance motor | Feb 01, 21 | Oct 10, 23 | Not available |
| 11774146 | Turbo compressor and centrifugal chiller comprising same | Mar 19, 19 | Oct 03, 23 | MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. |
| 11768014 | Surge protection for a multistage compressor | Jun 29, 20 | Sep 26, 23 | Carrier Corporation |
| 11560901 | Active unloading device for mixed flow compressors | Nov 11, 20 | Jan 24, 23 | Danfoss A/S |
| 11531307 | Brake system for a compressor | Oct 02, 19 | Dec 20, 22 | Johnson Controls Tyco IP Holdings LLP |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0052,258 | CENTRIFUGAL COMPRESSOR WITH LIQUID INJECTION | Oct 28, 24 | Feb 13, 25 | Not available |
| 2022/0235,973 | AIR CONDITIONING SYSTEM WITH INTEGRATED WATER EXTRACTION LOOP | Sep 02, 20 | Jul 28, 22 | LIEBHERR-AEROSPACE TOULOUSE SAS |
| 2021/0247,107 | METHOD AND SYSTEM FOR COOLING A MOTOR DURING MOTOR STARTUP | Aug 30, 19 | Aug 12, 21 | Not available |
| 2019/0264,956 | HIGH EFFICIENCY AIR CONDITIONING SYSTEMS AND METHODS | May 13, 19 | Aug 29, 19 | Not available |
| 2019/0211,834 | TURBO COMPRESSOR AND TURBO REFRIGERATOR PROVIDED WITH SAME | Apr 18, 17 | Jul 11, 19 | MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. |
| 2019/0128,580 | TURBO FREEZING MACHINE AND START-UP CONTROL METHOD THEREFOR | Apr 25, 17 | May 02, 19 | MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. |
| 2019/0041,100 | CONDENSER, AND CENTRIFUGAL CHILLER EQUIPPED WITH THE SAME | Apr 12, 17 | Feb 07, 19 | MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. |
| 2018/0347,860 | HEAT SOURCE MACHINE AND OPERATING METHOD THEREFOR | Feb 09, 17 | Dec 06, 18 | MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.; CENTRAL GLASS COMPANY, LIMITED; |
| 2018/0252,233 | TURBO COMPRESSOR AND TURBO CHILLING APPARATUS EQUIPPED WITH THE TURBO COMPRESSOR | Jan 12, 17 | Sep 06, 18 | MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. |
| 2018/0073,779 | CENTRIFUGAL COMPRESSOR | Sep 15, 16 | Mar 15, 18 | DAIKIN APPLIED AMERICAS INC. |
| 2017/0191,702 | HIGH EFFICIENCY AIR CONDITIONING SYSTEMS AND METHODS | Jan 06, 17 | Jul 06, 17 | HONEYWELL INTERNATIONAL INC. |
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