Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 60/641.1
Name: Power plants > Utilizing natural heat
Description: Subject matter operating by means of heat evolved from natural sources, such as from the sun, air, water, earth, etc.










Sub-classes under this class:

Class Number Class Name Patents
60/641.2 Geothermal 304
60/641.8 Solar 383
60/641.6 With natural temperature differential 58


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8685254 Water alteration structure applications and methods Apr. 1, 2014
8679331 Water alteration structure movement method and system Mar. 25, 2014
8658918 Power generation using a heat transfer device and closed loop working fluid Feb. 25, 2014
8640461 Heat exchangers and tower structure for density-driven power generation Feb. 4, 2014
8610303 System and method for downhole geothermal electrical power generation Dec. 17, 2013
8601815 Method for generating, transmitting and receiving power Dec. 10, 2013
8584462 Process and power system utilizing potential of ocean thermal energy conversion Nov. 19, 2013
8567195 Deep ocean energy system with full sea water air conditioning and utility waste heat utilization Oct. 29, 2013
8561406 Process and power system utilizing potential of ocean thermal energy conversion Oct. 22, 2013
8561405 System and method for recovering waste heat Oct. 22, 2013
8539771 Power generation and space conditioning using a thermodynamic engine driven through environmental heating and cooling Sep. 24, 2013
8522552 Thermodynamic power generation system Sep. 3, 2013
8482148 Solar thermal power generation apparatus Jul. 9, 2013
8474261 Steam generation system having a main and auxiliary steam generator Jul. 2, 2013
8424306 Air-water power generation system Apr. 23, 2013
8393153 Method, device, and system for converting energy Mar. 12, 2013
8375716 Operating a sub-sea organic Rankine cycle (ORC) system using individual pressure vessels Feb. 19, 2013
8281591 Self contained in-ground geothermal generator Oct. 9, 2012
8281590 Steam-based electric power plant operated on renewable energy Oct. 9, 2012
8276381 Return carbon dioxide to flashed geothermal brine to control scale deposition in a geothermal power plant Oct. 2, 2012
8266908 Multi-heat source power plant Sep. 18, 2012
8261551 Energy producing device Sep. 11, 2012
8236093 Power plant emissions control using integrated organic rankine cycle Aug. 7, 2012
8224495 Control of power generation system having thermal energy and thermodynamic engine components Jul. 17, 2012
8191372 System and method to generate environment-friendly power by tapping atmospheric cold Jun. 5, 2012
8151569 System and method for transmitting thermal energy Apr. 10, 2012
7882703 System and method for deployment of a cold water pipe Feb. 8, 2011
7877999 Power generation and space conditioning using a thermodynamic engine driven through environmental heating and cooling Feb. 1, 2011
7810330 Power generation using thermal gradients maintained by phase transitions Oct. 12, 2010
7735321 OTEC cold water pipe system Jun. 15, 2010
7726129 Stirling cycle engine Jun. 1, 2010
7718887 Apparatus and method for harnessing heat energy May. 18, 2010
7621129 Power generation system Nov. 24, 2009
7581592 System and method for the manufacture of fuel, fuelstock or fuel additives Sep. 1, 2009
7498087 Vapour turbine Mar. 3, 2009
7469541 Portable power system Dec. 30, 2008
7340897 Method of and apparatus for producing power from a heat source Mar. 11, 2008
7328578 Integrated OTEC platform Feb. 12, 2008
7249459 Fluid machine for converting heat energy into mechanical rotational force Jul. 31, 2007
7225620 Diffusion driven water purification apparatus and process Jun. 5, 2007
7168251 Wind energy turbine Jan. 30, 2007
7150153 Renewable portable stored energy power generating apparatus with alternate water source capability Dec. 19, 2006
7062911 Natural thermo-carrier heat release system Jun. 20, 2006
6962052 Energy generation mechanism device and system Nov. 8, 2005
6962053 Wind power plant comprising a seawater desalination system Nov. 8, 2005
6945049 Regasification system and method Sep. 20, 2005
6862886 Method of combining wastewater treatment and power generation technologies Mar. 8, 2005
6851260 Shape memory alloy actuator Feb. 8, 2005
6831221 System and method for power generation Dec. 14, 2004
6688105 Iceberg utilization process improvement Feb. 10, 2004

1 2










 
 
  Recently Added Patents
Plants and seeds of corn variety CV294874
Method for inhibiting thermal run-away
Toothbrush holder
(4935
Rear bumper for an automobile
Towel clip
Chair
  Randomly Featured Patents
Camera having tiltable focusing lens, positional/depth display and cooperating flash assembly
Lustrous pigment and the method of producing the same
Speed and power control of an engine by modulation of the load torque
Process for the transfer of alkyl groups in dialkyl trisulfides and mercaptans
Video recording and reproducing device and method including video signal record restart during rewind/playback operation after non-detection of pilot signal in video track
Sterilization detection device and method
Integrated circuit pack extractor
Method and apparatus for multiple output regulation in a step-down switching regulator
Bifold rake
Method for controlling corrosion in thermal vapor injection gases