Class F28F : DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
Subclass 1/24: Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending transversely (F28F 1/38 takes precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12215876 | Heat exchanger fin, heat exchanger, indoor unit and air conditioner | Mar 02, 20 | Feb 04, 25 | GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.; MIDEA GROUP CO., LTD.; |
| 12117248 | Microchannel flat tube and microchannel heat exchanger | Jul 24, 23 | Oct 15, 24 | Hangzhou Sanhua Research Institute Co., Ltd. |
| 12050066 | Heat exchanger and air-conditioning system | Dec 27, 22 | Jul 30, 24 | Danfoss A/.S |
| 12013146 | Phase change cold storage device having vortex coiled tubes | Jul 03, 20 | Jun 18, 24 | NANJING TECH UNIVERSITY |
| 11976886 | Efficient suction-line heat exchanger | Jun 07, 23 | May 07, 24 | Lennox Industries Inc. |
| 11932985 | Heat exchanger device and floor module for a laundry treatment machine | Oct 05, 21 | Mar 19, 24 | MIELE & CIE. KG |
| 11852377 | High efficiency tankless water heater | Aug 06, 20 | Dec 26, 23 | A.O. Smith Corporation |
| 11827957 | Heat exchanger and method of manufacturing thereof, and refrigeration cycle apparatus | Sep 30, 22 | Nov 28, 23 | Mitsubishi Electric Corporation |
| 11754348 | Microchannel flat tube and microchannel heat exchanger | Mar 20, 22 | Sep 12, 23 | Hangzhou Sanhua Research Institute Co., Ltd. |
| 11709020 | Efficient suction-line heat exchanger | Apr 21, 21 | Jul 25, 23 | Lennox Industries Inc. |
| 11703282 | Fire tube | May 04, 20 | Jul 18, 23 | TRINITY ENDEAVORS, LLC |
| 11665868 | Liquid-cooling type double-sided cooler | May 19, 20 | May 30, 23 | Hyundai Motor Company; Hyundai Motor Company & Kia Motors Corporation; |
| 11655761 | Optimized heat exchange system for a turbomachine | May 11, 20 | May 23, 23 | SAFRAN |
| 11604032 | Finned heat exchanger U-bends, manifolds, and distributor tubes | Dec 30, 19 | Mar 14, 23 | Johnson Controls Tyco IP Holdings LLP |
| 11585610 | Heat exchanger and air-conditioning system | Dec 17, 20 | Feb 21, 23 | Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd. |
| 11549762 | Heat exchanger and air-conditioning system | Dec 11, 19 | Jan 10, 23 | Danfoss A/S |
| 11499210 | Heat exchanger and method of manufacturing thereof, and refrigeration cycle apparatus | Dec 21, 16 | Nov 15, 22 | Mitsubishi Electric Corporation |
| 11460252 | Header arrangement for additively manufactured heat exchanger | Jan 24, 20 | Oct 04, 22 | HAMILTON SUNDSTRAND CORPORATION |
| 11384941 | Exhaust hood | May 22, 19 | Jul 12, 22 | OY HALTON GROUP LTD. |
| 11353265 | Notched coolant tubes for a heat exchanger | Jul 03, 18 | Jun 07, 22 | Ford Global Technologies, LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0109,916 | LIQUID DISTRIBUTOR AND HEAT EXCHANGER | Dec 14, 24 | Apr 03, 25 | Not available |
| 2025/0052,518 | HEAT EXCHANGER AND METHOD FOR MANUFACTURING SAME | Mar 22, 23 | Feb 13, 25 | S PLUS COMTECH CO., LTD. |
| 2024/0410,659 | HEAT EXCHANGER | Dec 06, 21 | Dec 12, 24 | Not available |
| 2023/0384,043 | STEAM CONDENSER WITH HEAT EXCHANGER AND A COOKING OVEN WITH SUCH STEAM CONDENSER | Oct 26, 20 | Nov 30, 23 | Not available |
| 2021/0231,376 | HEADER ARRANGEMENT FOR ADDITIVELY MANUFACTURED HEAT EXCHANGER | Jan 24, 20 | Jul 29, 21 | Not available |
| 2020/0370,841 | HEAT EXCHANGER ASSEMBLY FOR AN HVAC SYSTEM | Jul 10, 19 | Nov 26, 20 | Not available |
| 2020/0191,502 | TUBE WITH CONDUCTIVE FINS | Dec 14, 18 | Jun 18, 20 | General Electric Company |
| 2015/0027,672 | HEAT EXCHANGER | Apr 03, 13 | Jan 29, 15 | DAIKIN INDUSTRIES, LTD. |
| 2011/0308,228 | Fin and Tube Heat Exchanger | Jun 18, 10 | Dec 22, 11 | GENERAL ELECTRIC COMPANY |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
