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Class Information
Number: 405/131
Name: Hydraulic and earth engineering > Temperature modification or control of earthen formation > Heating
Description: Method or apparatus wherein the temperature of an earth formation is elevated.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8573143 Method of recycling exhaust emissions Nov. 5, 2013
8281861 Circulated heated transfer fluid heating of subsurface hydrocarbon formations Oct. 9, 2012
8226326 Arctic platform Jul. 24, 2012
8061283 Method of recycling exhaust emissions Nov. 22, 2011
7959377 Method of preparing a foundation structure Jun. 14, 2011
7832484 Molten salt as a heat transfer fluid for heating a subsurface formation Nov. 16, 2010
7712999 Method and apparatus for drying soil May. 11, 2010
7661907 Ground engineering method Feb. 16, 2010
7575052 In situ conversion process utilizing a closed loop heating system Aug. 18, 2009
7559367 Temperature limited heater with a conduit substantially electrically isolated from the formation Jul. 14, 2009
7546880 Extracting gas hydrates from marine sediments Jun. 16, 2009
7284931 Magma evacuation systems for the prevention of explosions from supervolcanoes Oct. 23, 2007
7077198 In situ recovery from a hydrocarbon containing formation using barriers Jul. 18, 2006
6509557 Apparatus and method for heating single insulated flowlines Jan. 21, 2003
6413399 Soil heating with a rotating electromagnetic field Jul. 2, 2002
6276873 Ground water remediation control process Aug. 21, 2001
6273638 Automated air handling system for sports field Aug. 14, 2001
6183162 Method for treating vapors and liquids recovered from a subsurface remediation process Feb. 6, 2001
6142706 Thermal treatment wall Nov. 7, 2000
6120430 Method of melting solid materials Sep. 19, 2000
5997214 Remediation method Dec. 7, 1999
5986159 Chemical tailoring of steam to remediate underground mixed waste contaminents Nov. 16, 1999
5984578 Apparatus and method for in situ removal of contaminants using sonic energy Nov. 16, 1999
5975799 Electro-osmotic infusion for joule heating soil remediation techniques Nov. 2, 1999
5954452 In situ remediation of underground organic pollution Sep. 21, 1999
5944444 Control system for draining, irrigating and heating an athletic field Aug. 31, 1999
5931600 Thermal desorption and destruction of dense non-aqueous phase liquid in fractured bedrock Aug. 3, 1999
5910093 Starter tube for use in vitrification process Jun. 8, 1999
5908267 Treating non-naturally occurring subsurface soil contaminants with pneumatic injection of dry media Jun. 1, 1999
5879109 Process and apparatus for introducing an optical or electrical cable into solid ground Mar. 9, 1999
5873675 Method for hazardous waste vitrification Feb. 23, 1999
5836718 Method and apparatus for ex situ cleaning of contaminated soil Nov. 17, 1998
5838880 Ground heating system Nov. 17, 1998
5829519 Subterranean antenna cooling system Nov. 3, 1998
5827012 Thermal plasma conversion of local soils into construction materials Oct. 27, 1998
5820301 Method for thawing frozen ground Oct. 13, 1998
5813799 Combustion process and apparatus for removing volatile contaminants from groundwater or subsurface soil Sep. 29, 1998
5788412 Method for in situ contaminant extraction from soil Aug. 4, 1998
5769569 In-situ thermal desorption of heavy hydrocarbons in vadose zone Jun. 23, 1998
5765964 Submerged combustion process and apparatus for removing volatile contaminants from groundwater or subsurface soil Jun. 16, 1998
RE35782 In-situ landfill pyrolysis, remediation and vitrification May. 5, 1998
5746540 Method of isolating a nuclear reactor or other large structures May. 5, 1998
5711635 Apparatus for hazardous waste vitrification Jan. 27, 1998
RE35715 In-situ remediation and vitrification of contaminated soils, deposits and buried materials Jan. 13, 1998
5707179 Method and apparaatus for curing concrete Jan. 13, 1998
5700107 Method of soil remediation Dec. 23, 1997
5681130 Active cooling-based surface confinement system for thermal soil treatment Oct. 28, 1997
5660500 Enhanced deep soil vapor extraction process and apparatus utilizing sheet metal pilings Aug. 26, 1997
5658094 Energy recuperative soil remediation system Aug. 19, 1997
5641245 Apparatus for passive removal of subsurface contaminants Jun. 24, 1997

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