F28F 1/20

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Description

Class  F28F : DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION


Subclass 1/20: 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 longitudinally (F28F 1/38 takes precedence) the means being attachable to the element (F28F 1/22 takes precedence)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12240068 Air cooled condenser and related methodsNov 07, 22Mar 04, 25Holtec International Inc.
12215876 Heat exchanger fin, heat exchanger, indoor unit and air conditionerMar 02, 20Feb 04, 25GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.; MIDEA GROUP CO., LTD.;
12188729 Adjustable heat transfer elementOct 05, 21Jan 07, 25Controls Southeast, Inc.
12173637 Exhaust system heat sink for increasing efficiency of internal combustion enginesJun 17, 23Dec 24, 24Not available
12135171 Slotted profile for fluid circulation tube insertion and associated heat exchangerApr 04, 23Nov 05, 24LIEBHERR-AEROSPACE TOULOUSE SAS
12018898 Heat and mass exchanger fin insertsJun 03, 22Jun 25, 24BLUE FRONTIER INC.
11841021 Temperature control of a pumped gas flowFeb 28, 18Dec 12, 23Edwards Limited
11835261 Heat exchanger unitMar 31, 22Dec 05, 23KYUNGDONG NAVIEN CO., LTD.
11835262 Heat exchanger unitMar 31, 22Dec 05, 23KYUNGDONG NAVIEN CO., LTD.
11813378 Method and system of sensor feedback for a scent diffusion deviceJul 08, 22Nov 14, 23SCENTBRIDGE HOLDINGS, LLC
11713926 Heat exchanger and refrigeration cycle apparatusMar 21, 22Aug 01, 23Mitsubishi Electric Corporation; The University of Tokyo;
11585572 Heat exchanger unit and condensing boiler using the sameMay 30, 19Feb 21, 23KYUNGDONG NAVIEN CO., LTD.
11512871 Water heaterMar 18, 20Nov 29, 22Noritz Corporation
11504814 Air cooled condenser and related methodsOct 19, 20Nov 22, 22Holtec International Inc.
11499784 Heat exchanger and refrigeration cycle apparatusOct 05, 18Nov 15, 22Mitsubishi Electric Corporation
11499747 Heat exchanger tubes and tube assembly configurationsOct 04, 19Nov 15, 22Rheem Manufacturing Company
11471984 Control of recrystallization in cold-rolled AlMn(Mg)ScZr sheets for brazing applicationsJun 26, 19Oct 18, 22Scandium International Mining Corporation
11441834 Skin condenser design integrated in the refrigerator backOct 26, 16Sep 13, 22Whirlpool Corporation
11236956 Method for improving critical heat fluxOct 15, 19Feb 01, 22The Board of Regents for the Oklahoma Agricultural and Mechanical Colleges
11236952 Heat exchangerApr 01, 20Feb 01, 22MAHLE International GmbH

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2023/0280,106 FIN APPARATUS FOR ENHANCING HEAT TRANSFER SURFACESFeb 15, 23Sep 07, 23Not available
2023/0030,298 Heat Exchanger Tubes and Tube Assembly ConfigurationsOct 17, 22Feb 02, 23Not available
2019/0145,715 HEAT EXCHANGER WITH LOUVERED FINSJan 16, 19May 16, 19LGL France
2018/0335,069 THREADED CONNECTING MEMBER AND THREADED CONNECTING STRUCTURE WITH RADIATING FUNCTIONMay 06, 18Nov 22, 18SHANGHAI KOITO AUTOMOTIVE LAMP CO., LTD.
2018/0135,921 FIN OF A HEAT EXCHANGER, NOTABLY FOR A MOTOR VEHICLE, AND CORRESPONDING HEAT EXCHANGERJun 10, 16May 17, 18Valeo Systemes Thermiques S.A.S.
2017/0030,659 Tube-and-Fin Assembly with Improved Removal Feature and Method of Making ThereofJul 28, 15Feb 02, 17CATERPILLAR INC.

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Patents Issued To Date - By Filing Year

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