Class F25B : REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
Subclass 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
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11959483 | Variable economizer injection position | Nov 16, 20 | Apr 16, 24 | TRANE INTERNATIONAL INC. |
| 11933301 | Variable capacity screw compressor and method | Oct 31, 22 | Mar 19, 24 | TRANE INTERNATIONAL INC. |
| 11920593 | Compressor stop valve and associated system | Mar 09, 21 | Mar 05, 24 | Ingersoll-Rand Industrial U.S., Inc. |
| 11906212 | Rotary heat exchanger | Jul 25, 22 | Feb 20, 24 | Nativus, Inc. |
| 11898561 | Direct drive refrigerant screw compressor with refrigerant lubricated rotors | May 19, 20 | Feb 13, 24 | Carrier Corporation |
| 11867180 | Seal assembly for high pressure single screw compressor | Oct 28, 19 | Jan 09, 24 | Copeland Industrial LP |
| 11852145 | Rotary compressors with variable speed and volume control | Dec 27, 19 | Dec 26, 23 | TRANE INTERNATIONAL INC. |
| 11815300 | Chiller system and a method for generating coordination maps for energy efficient chilled water and condenser water temperature resets in chiller plant system | Jul 08, 19 | Nov 14, 23 | Carrier Corporation |
| 11808490 | Muffler with metallic meshed rings | Oct 09, 18 | Nov 07, 23 | Carrier Corporation |
| 11781547 | Multi-stage compressor having interstage lubricant injection via an injection rod | Dec 30, 21 | Oct 10, 23 | Ingersoll-Rand Industrial U.S., Inc. |
| 11578914 | Method of cooling boil-off gas and apparatus therefor | Apr 18, 18 | Feb 14, 23 | LGE IP Management Company Limited |
| 11506429 | Refrigeration apparatus | May 15, 20 | Nov 22, 22 | Carrier Corporation |
| 11486396 | Variable capacity screw compressor and method | May 28, 21 | Nov 01, 22 | TRANE INTERNATIONAL INC. |
| 11397029 | Rotary heat exchanger | Feb 27, 17 | Jul 26, 22 | Nativus, Inc. |
| 11306234 | Composition containing refrigerant and application thereof | Apr 17, 19 | Apr 19, 22 | DAIKIN INDUSTRIES, LTD. |
| 11300341 | Method of control for economizer of transport refrigeration units | Jun 07, 18 | Apr 12, 22 | Carrier Corporation |
| 11221009 | Scroll compressor with a lubrication arrangement | Jun 30, 20 | Jan 11, 22 | Samsung Electronics Co., Ltd. |
| 11215182 | Multi-stage compressor having interstage lubricant injection via an injection rod | Mar 01, 18 | Jan 04, 22 | Ingersoll-Rand Industrial U.S., Inc. |
| 11125482 | Lubricant quality management for a compressor | May 31, 19 | Sep 21, 21 | TRANE INTERNATIONAL INC. |
| 11105538 | Refrigeration cycle apparatus | Dec 01, 15 | Aug 31, 21 | Mitsubishi Electric Corporation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2022/0275,974 | ZERO-LOAD OUTPUT NON-STOP CONTROL METHOD AND APPARATUS, AND UNIT | Dec 24, 19 | Sep 01, 22 | GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI |
| 2021/0222,916 | REFRIGERATION CYCLE APPARATUS | May 15, 19 | Jul 22, 21 | DAIKIN INDUSTRIES, LTD. |
| 2020/0096,235 | SCREW COMPRESSOR FOR HVAC | Sep 21, 18 | Mar 26, 20 | Not available |
| 2018/0320,945 | DUAL-COMPRESSOR REFRIGERATION UNIT | Oct 25, 16 | Nov 08, 18 | Not available |
| 2012/0017,634 | Variable Capacity Screw Compressor and Method | Jul 20, 10 | Jan 26, 12 | TRANE INTERNATIONAL INC. |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
