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Class Information
Number: 137/340
Name: Fluid handling > With heating or cooling of the system > Circulating fluid in heat exchange relationship
Description: Apparatus in which a heating or cooling medium circulates in a channel which is in heat exchange relationship with the fluent material device or part thereof.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8678706 Surface water heating system for irrigation and frost prevention Mar. 25, 2014
8607815 Butterfly valves with undulating sealing surface Dec. 17, 2013
8584709 Valve with operating means between two outlet passages Nov. 19, 2013
8534309 Slide valve Sep. 17, 2013
8511334 Compressed gas system, manual valve assembly, and manual valve piston with isochoric thermal isolation zone Aug. 20, 2013
8499555 Charge-cooled valve Aug. 6, 2013
8453665 Self-acting self-circulating fluid system without external pressure source and use in bearing system Jun. 4, 2013
8434511 Retractable and expandable water cooled valve gate useful for sealing a hot processing chamber May. 7, 2013
8402993 Hydraulic fluid cooling system for a dual clutch automatic transmission Mar. 26, 2013
8307843 Temperature-controlled pressure regulators Nov. 13, 2012
8256450 Butterfly valves with undulating sealing surface Sep. 4, 2012
8181668 Pressure reducing valve for gas May. 22, 2012
8162004 Valve with operating means between two outlet passages Apr. 24, 2012
8151816 Method and device for removing pollution from a confined environment Apr. 10, 2012
8117839 Propane injection system Feb. 21, 2012
8015993 Heatable hydrogen pressure regulator Sep. 13, 2011
7903958 Hanging water heater Mar. 8, 2011
7893178 Process for storing a monomer phase which is liquid under the conditions of storage Feb. 22, 2011
7874310 Water cooled liquid fuel valve Jan. 25, 2011
7841190 Freeze-thaw valve that self-limits cryogenic agent usage Nov. 30, 2010
7814928 Microfluidic devices and related methods and systems Oct. 19, 2010
7766025 Periodic regenerative heat exchanger Aug. 3, 2010
7657347 Temperature-based monitoring method and system for determining first and second fluid flow rates through a heat exchanger Feb. 2, 2010
7527068 Valve with swirling coolant May. 5, 2009
7452390 Controlled superheating of natural gas for transmission Nov. 18, 2008
7401762 Solenoid-operated valve for use with fuel cells Jul. 22, 2008
7370672 Diverter valve May. 13, 2008
7261150 Apparatus for humidification and temperature control of incoming fuel cell process gas Aug. 28, 2007
7258140 Portable pressurized gas supply apparatus for pneumatic equipment Aug. 21, 2007
7195176 Temperate water supply system Mar. 27, 2007
7188639 Storage tank for easily polymerizable compound and method of storage Mar. 13, 2007
7171972 Passive back-flushing thermal energy system Feb. 6, 2007
7168447 Fluid distribution unit for dividing a stream of fluid into a plurality of partial streams Jan. 30, 2007
7140378 Instantaneous water heater Nov. 28, 2006
7117888 Hydraulic separator Oct. 10, 2006
7096879 Pillar sink mixer with hand spray Aug. 29, 2006
7069942 Method and apparatus for handling of covering gas Jul. 4, 2006
7051801 Method and apparatus for humidification and temperature control of incoming fuel cell process gas May. 30, 2006
7051754 Immediate hot water supply device May. 30, 2006
7047908 Cooling flange May. 23, 2006
7044155 Joint-type coaxial connection May. 16, 2006
7025077 Heat exchanger for instant warm water Apr. 11, 2006
7017604 Thermally insulating interfaces Mar. 28, 2006
7010221 Intravenous fluid warming cassette with stiffening member, fluid container and key mechanism Mar. 7, 2006
7004188 Anti-rupture device Feb. 28, 2006
6990805 Waste heat recovery device for internal combustion engine Jan. 31, 2006
6953045 Gas delivery system Oct. 11, 2005
6935361 Pipe, piping system, radiant heating system, and kit Aug. 30, 2005
6918406 Chemical supply apparatus Jul. 19, 2005
6912874 Device and process for introducing gases into a hot medium Jul. 5, 2005

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