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Class Information
Number: 29/890.03
Name: Metal working > Method of mechanical manufacture > Heat exchanger or boiler making
Description: Process for manufacturing (1) a water heater for generating steam or (2) an article especially useful for recovery of thermal energy or for transferring thermal energy from one fluid to another fluid or to the environment.










Sub-classes under this class:

Class Number Class Name Patents
29/890.051 Boiler making 62
29/890.035 Cooling apparatus making, e.g., air conditioner, refrigerator 123
29/890.052 Header or manifold making 188
29/890.032 Heat pipe device making 227
29/890.034 Regenerator or recuperator making 64
29/890.031 Repairing, converting, servicing or salvaging 259
29/890.039 Sheet joined to sheet 187
29/890.033 Solar energy device making 83
29/890.036 Tube inside tube 85
29/890.038 Tube joined to flat sheet longitudinally, i.e., tube sheet 73
29/890.043 Tube joint and tube plate structure 309
29/890.053 Tube making or reforming 236
29/890.045 Tube with heat transfer means 96
29/890.037 Tube wound about tube 27
29/890.054 With metallurgical bonding 199


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8701289 Process for producing a turbulence apparatus Apr. 22, 2014
8689443 Method and apparatus to improve performance of power plant steam surface condensers Apr. 8, 2014
8683678 Purge apparatus for manufacturing tube and fin heat exchanger Apr. 1, 2014
8667683 Apparatus and methods for permanently assembling tubes in a heat exchanger Mar. 11, 2014
8667685 Heat-dissipating fin capable of increasing heat-dissipating area Mar. 11, 2014
8656590 Method for manufacturing heat dissipating apparatus Feb. 25, 2014
8646178 Heat exchanger fabrication with improved thermal exchange efficiency Feb. 11, 2014
8646442 Clamshell heat exchanger Feb. 11, 2014
8627567 Manufacturing method of liquid-cooled jacket Jan. 14, 2014
8615876 Method for manufacturing honeycomb structural body and method for manufacturing exhaust gas converting apparatus Dec. 31, 2013
8613140 Heat sink and method for manufacturing the same Dec. 24, 2013
8595932 Method for making a fin and device for implementing said method Dec. 3, 2013
8590153 Method for producing an adsorption heat exchanger Nov. 26, 2013
8593812 Heat exchanger, semiconductor device, method for manufacturing the heat exchanger, and method for manufacturing the semiconductor device Nov. 26, 2013
8578606 Manufacturing method of heat pipe type heat-dissipating device Nov. 12, 2013
8578605 Manufacturing method of a heat dissipation device with guiding lines and soldered heat pipes Nov. 12, 2013
8578582 Method of demolishing furnace of multilayered-refractory structure Nov. 12, 2013
8572847 Tube support system for nuclear steam generators Nov. 5, 2013
8555502 Method for producing a metal part Oct. 15, 2013
8557383 Method of producing a material composite Oct. 15, 2013
8549748 Tube support system for nuclear steam generators Oct. 8, 2013
8522436 Method for mounting fins onto annular seat Sep. 3, 2013
8516698 Method and device for manufacturing a heat exchanger Aug. 27, 2013
8516699 Method of manufacturing a heat exchanger having a contoured insert Aug. 27, 2013
8510945 Method of mounting a heat exchanger in a gas turbine engine assembly Aug. 20, 2013
8511249 Pointer arrangement for marking tubes in a shell and tube heat exchanger Aug. 20, 2013
8499451 Method for assembling heat sink Aug. 6, 2013
8499825 Method for manufacturing heat transfer member, power module, vehicle inverter, and vehicle Aug. 6, 2013
8484845 Method of manufacturing a heat conducting structure having a coplanar heated portion Jul. 16, 2013
8482923 Heat sink clip with wire clip Jul. 9, 2013
8482922 Microfins for cooling an ultramobile device Jul. 9, 2013
8474517 Heat exchanger with collecting tube, collecting tube, and method for producing the same Jul. 2, 2013
8468697 Method for producing a heat exchanger system, preferably of the exchanger/reactor type Jun. 25, 2013
8459343 Thermal module assembly and heat sink assembly having at least two engageable heat sinks Jun. 11, 2013
8461614 Packaging substrate device, method for making the packaging substrate device, and packaged light emitting device Jun. 11, 2013
8441794 Liquid cooler and method of its manufacture May. 14, 2013
8434226 Method for manufacturing a heat exchanger May. 7, 2013
8429819 Systems and methods for making seals in heat exchangers Apr. 30, 2013
8429818 Rod holder for the assembly of heat exchangers Apr. 30, 2013
8424203 Heat pipe apparatus and method Apr. 23, 2013
8418365 Heat exchanger comprising deep-drawn heat exchanger plates Apr. 16, 2013
8422229 Molded heat sink and method of making same Apr. 16, 2013
8393079 Handling spine fin coils, winders, reels, shapers and/or processing spine fin and transition tube splicing and rework Mar. 12, 2013
8391011 Cooling device Mar. 5, 2013
8387249 Apparatus and method for facilitating servicing of a liquid-cooled electronics rack Mar. 5, 2013
8387248 Heat exchanger Mar. 5, 2013
8387247 Method for manufacturing heat radiator having plate-shaped fins Mar. 5, 2013
8377214 Vapor chamber and method for manufacturing the same Feb. 19, 2013
8377748 Method of manufacturing cooling fin and package substrate with cooling fin Feb. 19, 2013
8365409 Heat exchanger and method of manufacturing the same Feb. 5, 2013

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