Class F28D : HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
Subclass 7/04: Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being spirally coiled (F28D 7/1 takes precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12173972 | Multi-coil microchannel heat exchangers and air conditioning units | Sep 27, 22 | Dec 24, 24 | TRANE AIR CONDITIONING SYSTEMS (CHINA) CO, LTD. |
| 12158106 | Heat exchangers | Apr 19, 23 | Dec 03, 24 | Reaction Engines Ltd. |
| 12013146 | Phase change cold storage device having vortex coiled tubes | Jul 03, 20 | Jun 18, 24 | NANJING TECH UNIVERSITY |
| 11951451 | Method of manufacturing bio-diesel and reactor | Jun 01, 21 | Apr 09, 24 | LOUISIANA ECO GEEN, LLC |
| 11920872 | Gas turbine engine heat exchanger for annular flowpaths | Jun 30, 22 | Mar 05, 24 | RTX CORPORATION |
| 11898804 | Fluid routing methods for a spiral heat exchanger with lattice cross section made via additive manufacturing | Nov 05, 21 | Feb 13, 24 | Fluid Handling LLC |
| 11867428 | Heat exchange pipe, heat exchanger and water heating apparatus | Dec 29, 20 | Jan 09, 24 | A.O. Smith Corporation |
| 11850565 | Method of manufacturing bio-diesel and reactor | May 06, 22 | Dec 26, 23 | Louisiana Eco Green, L.L.C. |
| 11661888 | Heat exchangers | May 10, 21 | May 30, 23 | Reaction Engines Ltd |
| 11561048 | Circular crossflow heat exchanger | Feb 28, 20 | Jan 24, 23 | General Electric Company |
| 11561049 | Coil wound heat exchanger | May 05, 20 | Jan 24, 23 | Air Products and Chemicals, Inc. |
| 11378341 | Gas turbine engine heat exchanger for annular flowpaths | Jan 03, 20 | Jul 05, 22 | RAYTHEON TECHNOLOGIES CORPORATION |
| 11333439 | Centre body in spiral heat exchanger | Oct 23, 20 | May 17, 22 | Danfoss A/S |
| 11325097 | Method of manufacturing bio-diesel and reactor | Oct 20, 20 | May 10, 22 | Louisiana Eco Green, L.L.C. |
| 11228047 | Method for overheating gases at the inlet of a SOEC/SOFC-type solid oxide stack | Dec 27, 17 | Jan 18, 22 | Commissariat A L' Energie Atomique Et Aux Energies Alternatives |
| 11203975 | Heat exchangers | May 31, 19 | Dec 21, 21 | Reaction Engines Ltd |
| 11193716 | Fluid routing methods for a spiral heat exchanger with lattice cross section made via additive manufacturing | Jul 30, 18 | Dec 07, 21 | Fluid Handling LLC |
| 11162424 | Heat exchangers | Jun 05, 14 | Nov 02, 21 | Reaction Engines Ltd |
| 11125162 | Heat exchangers | Jun 05, 14 | Sep 21, 21 | Reaction Engines Ltd |
| 11060796 | 3D spiral heat exchanger | Jun 09, 17 | Jul 13, 21 | FLUID HANDLING LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0246,057 | METHOD OF MANUFACTURING BIO-DIESEL AND REACTOR | Apr 05, 24 | Jul 25, 24 | Louisiana Eco Green, LLC |
| 2024/0116,018 | METHOD OF MANUFACTURING BIO-DIESEL AND REACTOR | Dec 19, 23 | Apr 11, 24 | Louisiana Eco Green, L.L.C. |
| 2022/0349,656 | Gas Turbine Engine Heat Exchanger for Annular Flowpaths | Jun 30, 22 | Nov 03, 22 | RAYTHEON TECHNOLOGIES CORPORATION |
| 2022/0136,777 | HEAT EXCHANGER | Feb 28, 20 | May 05, 22 | Not available |
| 2021/0180,870 | HEAT EXCHANGER COMPONENT WITH VARYING TWIST ANGLE | Dec 11, 20 | Jun 17, 21 | Not available |
| 2017/0321,965 | Heat Exchanger With Parallel Fluid Channels | May 04, 17 | Nov 09, 17 | Applied Integrated Systems, Inc. |
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