Matches 1 - 31 out of 31
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3750393 PRIME MOVER SYSTEM  
A prime mover system employing in a closed circuit a volatile fluorocarbon drive medium with a low heat of vaporization includes as a vapor engine at least two intermeshing male and female helical... 		339
1900839 Propeller   283
1877773 Cartridge for firearms   236
1826562 Gas gun   236
7260934 External combustion engine  
An organic Rankine engine used to power a vehicle is provided with a quick-start system of pumps, electric heaters or pistons to generate a pressure differential across the motor, prior to the... 		217
2540486 Tri-iodide of beta-amylose prepared with iodine vapor   189
2383334 Beta amylose-iodine compound and methods for the production of the same   134
3975097 Testing apparatus which measures index of refraction  
An apparatus for measuring the index of refraction of a specimen includes a stage plate having a small exposure opening behind which are located a point source infra-red light emitting diode and a... 		134
3479817 LOW ENTROPY ENGINE   134
3072978 Air purifier   134
4291755 Method and apparatus for accumulating, storing and releasing thermal energy  
A heat storage medium includes a halide or sulfate salt of a divalent or trivalent metal which salt has hydrated and dehydrated states with high heat of hydration. The medium is dehydrated by... 		117
2963357 Fertility potentiating process   117
4403643 Method and apparatus for accumulating, storing and releasing thermal energy  
A heat storage medium includes a halide or sulfate salt of a divalent or trivalent metal which salt has hydrated and dehydrated states with high heat of hydration. The medium is dehydrated by... 		117
2927058 Method of producing antisepsis by beta amylose trhodide   100
3028864 Methods and devices for filtering tobacco smoke   100
7586409 Container monitoring system  
A container monitoring system which includes a microprocessor comprising a memory to store data, and a control program executed by said microprocessor, said microprocessor having a stand-by mode... 		67
7370704 Triaxial temperature limited heater  
Certain embodiments provide a heater. The heater includes an inner electrical conductor. A heater section at least partially surrounds the inner electrical conductor. The heater section is... 		22
7383877 Temperature limited heaters with thermally conductive fluid used to heat subsurface formations  
Certain embodiments provide a system including a heater. The heater includes one or more electrical conductors. The heater is configured to generate a heat output during application of electrical... 		22
7357180 Inhibiting effects of sloughing in wellbores  
Certain embodiments provide a method for treating a subsurface formation. The method includes providing one or more explosives into portions of one or more wellbores selected for the explosion in... 		22
7353872 Start-up of temperature limited heaters using direct current (DC)  
Certain embodiments provide a method for heating a subsurface formation. The method includes applying direct electrical current (DC) to a heater section below a first selected temperature to... 		22
7320364 Inhibiting reflux in a heated well of an in situ conversion system  
Certain embodiments provide a method for treating a subsurface formation. The method includes using heaters to form a heated portion of the subsurface formation. A production conduit is used to... 		22
7431076 Temperature limited heaters using modulated DC power  
The invention provides a system configured to heat at least a part of a subsurface formation. The system includes: an electrical power supply configured to provide modulated direct current (DC);... 		22
7424915 Vacuum pumping of conductor-in-conduit heaters  
Certain embodiments provide a method that includes placing a heater element in an opening in a subsurface formation. The heater element is in a conduit. A pressure is reduced inside the conduit to... 		22
7490665 Variable frequency temperature limited heaters  
Certain embodiments provide a heating system configured to heat at least a part of a subsurface formation. The system includes an electrical power supply. A heater section includes one or more... 		22
7510000 Reducing viscosity of oil for production from a hydrocarbon containing formation  
Certain embodiments provide a method for treating a hydrocarbon containing formation. The method includes applying electrical current to one or more electrical conductors located in an opening in... 		22
7073578 Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation  
A method for treating a hydrocarbon containing formation is described. The method for treating a hydrocarbon containing formation may include heating a first volume of the formation using a first... 		19
7121341 Conductor-in-conduit temperature limited heaters  
A heater may include an electrical conductor. Applying alternating current to the electrical conductor may generate resistively heat the electrical conductor. The electrical conductor may include... 		19
7481274 Temperature limited heaters with relatively constant current  
Certain embodiments provide a system configured to heat a subsurface formation. The system includes an electrical power supply. A heater section includes one or more electrical conductors... 		19
7121342 Thermal processes for subsurface formations  
A process may include providing heat from one or more heaters to at least a portion of a subsurface formation. Heat may transfer from one or more heaters to a part of a formation. In some... 		19
7219734 Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation  
A method for treating a hydrocarbon containing formation is described. The method may include providing heat from one or more heaters to at least a portion of the formation. At least one heater may... 		19
3797975 ROTOR VANE MOTOR DEVICE  
An eccentric rotor, concentric vane motor device characterized by one or more of the following improvements: (1) an improved seal structure for sealing between the vanes and rotor vane guides as... 		10

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