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Class Information
Number: 137/338
Name: Fluid handling > With heating or cooling of the system > Air heated or cooled (fan, fins, or channels)
Description: Fluid handling systems in which (1) air as a heating or cooling fluid for the system has a thermally caused movement through channels whereby it is warmed by contact with the earth and/or an object buried in the earth, such as a pipe line; or (2) the fluent material system or a part thereof is equipped with a fan or fins to aid in the heating or cooling of the device or the fluid by heat exchange with the air.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8398933 Device for preventing corrosion on a gas inlet nozzle during nitric acid condensation Mar. 19, 2013
8394241 Distillation-type drinking fountain and energy-saving heating unit thereof Mar. 12, 2013
8261537 Mounting device for an injector in an exhaust system of an internal combustion engine Sep. 11, 2012
8256449 Selective warming and heat isolation for on board high pressure storage tanks installed on gas fueled vehicles Sep. 4, 2012
8225814 Differential-pressure flowmeter and flow-rate controller Jul. 24, 2012
8176654 Method and device for preventing corrosion of a gas inlet nozzle during nitric acid condensation May. 15, 2012
8124009 Method of aeration disinfecting and drying grain in bulk and pretreating seeds and a transverse blow silo grain dryer therefor Feb. 28, 2012
7594596 Fluid product dispensing valve and fluid product dispensing device comprising same Sep. 29, 2009
7572428 Process for producing fluorine gas Aug. 11, 2009
7469710 Supersonic diffuser Dec. 30, 2008
7398794 First stage pressure reducing valve having a tubular plug, particularly for regulators of scuba breathing apparatus Jul. 15, 2008
7210496 Compressed gas storage system May. 1, 2007
7195176 Temperate water supply system Mar. 27, 2007
7096888 Fluidic pulse generator system Aug. 29, 2006
7051754 Immediate hot water supply device May. 30, 2006
7051755 Adjustable pressure regulator May. 30, 2006
7025081 Dispensing apparatus for viscous liquids Apr. 11, 2006
6994928 System and method for regulating steam pressure in a fuel cell system Feb. 7, 2006
6932105 Antifreezing guard for pipes Aug. 23, 2005
6899124 Antifreezing guard May. 31, 2005
6837485 Flow quantity control valve Jan. 4, 2005
6834664 Device making use of heated fluid to reduce dust products in waste gas pipeline Dec. 28, 2004
6805152 Poppet valve with heater Oct. 19, 2004
6748969 Poppet valve with heater Jun. 15, 2004
6718998 Apparatus and method for dissipating heat in a steam pressure regulator for a fuel cell system Apr. 13, 2004
6708721 Vacuum valve with heater Mar. 23, 2004
6668854 Poppet valve with heater Dec. 30, 2003
6609540 Method and apparatus for supplying fluorine gas Aug. 26, 2003
6598619 Exhaust gas regulator including a resilient coupling Jul. 29, 2003
6578596 Apparatus and method for thermoplastic extrusion Jun. 17, 2003
6523563 Modular gas panel closet for a semiconductor wafer processing platform Feb. 25, 2003
6520850 Distributor valve with integrally molded air deflector vanes for distributor box of HVAC system Feb. 18, 2003
6427970 Heat dissipating voice coil activated valves Aug. 6, 2002
6340034 Gas regulator with multiple regulated outlet ports Jan. 22, 2002
6318641 Shape memory alloy fuel injector small package integral design Nov. 20, 2001
6311710 Reduction of heat transfer between a body and its environment Nov. 6, 2001
6302142 Supersonic gas flow device incorporating a compact supersonic diffuser Oct. 16, 2001
6250328 Device for supplying an internal combustion engine of a motor vehicle with fuel Jun. 26, 2001
6206036 Recreational water recirculation system with double-shaft pump motor Mar. 27, 2001
6164316 High temperature rotating union Dec. 26, 2000
6026844 Dual reservoir-based hot water recirculation system Feb. 22, 2000
6019123 Apparatus and kit for preventing freezing in pipes Feb. 1, 2000
6016828 Vault vent having dual ball water seal Jan. 25, 2000
5983922 Instantaneous hot-water delivery system Nov. 16, 1999
5975118 Adapter for mounting an actuator to a valve Nov. 2, 1999
5971010 Shaft device and a method of cooling a shaft device Oct. 26, 1999
5931178 High-speed water jet blocker Aug. 3, 1999
5927320 High-speed water jet blocker Jul. 27, 1999
5925164 Finshield assemblies for fiber-forming apparatus Jul. 20, 1999
5913329 High temperature, high speed rotary valve Jun. 22, 1999

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