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Neuroimaging as a means for validating whether a stimulus such as advertisement, communication, or product evokes a certain mental response such as emotion, preference, or memory, or to predict the consequences of the stimulus on later behavior such as consumption or purchasing.

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Class 417/147 - Unitary supply - exhaust valve


Subclass of Class 417 - Pumps
Definition: Apparatus wherein said valve means comprises a single valve
No. of patents: 13
Last issue date: 03/07/2006


NumberTitleIssue Date
7007456Dual chamber pump and method
Disclosed is a pneumatically powered high-pressure and lightweight fluid pump. The pump is useful for pumping fuel for liquid rocket engines and for pumping water, such as for fire suppression. During operation of the pump, liquid is drained from a tank into a pump ...
03/07/2006
6234761Apparatus for an air lift and transfer pump
A pump having a pump chamber arranged to receive liquid to be pumped and air, a delivery pipe for delivery of the liquid by the air to a location remote from said pump chamber, an air pipe for flow of air therein. The delivery pipe and pump chamber are in...
05/22/2001
4770611Product pump assembly
A product pump assembly including a product pump having a product receiving inlet, a product discharge outlet, a product chamber, and an air port. A cone-shaped feed valve in the product chamber is forced upwards against the inlet thereby sealing it when ...
09/13/1988
4678040Methods and apparatus for recovery of hydrocarbons and other liquids from underground
Methods and apparatus for the recovery of petroleum origin hydrocarbons and other liquids from underground at sites of refineries, oil, gasoline and other liquid storage and distributing facilities, tie creasoting plants, and the like. Pursuant to the inv...
07/07/1987
4625801Methods and apparatus for recovery of hydrocarbons from underground water tables
Methods and apparatus for the recovery of petroleum origin hydrocarbons from ground water tables at sites of refineries, oil and gasoline storage and distributing facilities, and the like. Pursuant to the invention, separate liquid handling devices, each ...
12/02/1986
4546830Methods and apparatus for recovery of hydrocarbons from underground water tables
Methods and apparatus for the recovery of petroleum origin hydrocarbons from ground water tables at sites of refineries, oil and gasoline storage and distributing facilities, and the like. Pursuant to the invention, separate liquid handling devices, each ...
10/15/1985
4527633Methods and apparatus for recovery of hydrocarbons from underground water tables
Methods and apparatus for the recovery of petroleum origin hydrocarbons from ground water tables at sites of refineries, oil and gasoline storage and distributing facilities, and the like. Pursuant to the invention, separate liquid handling devices, each ...
07/09/1985
4321017Pneumatic ejector control
For starting and stopping air injection, a pneumatic ejector for a liquid transport system typified by a municipal sewerage system is provided with an air release valve fitted with a limit switch as a control device....
03/23/1982
4094616Steam-heater-pump
A device using only steam to simultaneously heat and pump a liquid or a slurry to a high pressure is disclosed, which device does not employ any rotating or reciprocating mechanisms commonly employed in the conventional pumping machinery. The combined use...
06/13/1978
4092087Air operated pump
A generally elongated cylindrical pump adapted to be lowered into a fluid producing formation comprising a hollow annular outer chamber circumferentially about a hollow cylindrical inner chamber, a valve mounted in said inner chamber, a source of compress...
05/30/1978
4083661Pneumatic sewage ejector
A pneumatic sewage ejector includes a tank for holding fluid sewage. When the sewage reaches a predetermined high level in the tank, it is ejected by pressurized air forced into the tank through a valve located inside the tank. The ejection of the fluid i...
04/11/1978
4025237Latching magnetic level sensor
A latching liquid-level sensor including a vertically mounted free-floating float member which carries a magnet. A second magnet or ferromagnetic member separated from the first magnet by a liquid- and gas-impervious barrier is selectively actuated by the...
05/24/1977
4021147Gas pressure driven pump
The invention is concerned with an improvement in a gas pressure driven pump which comprises a vessel, means for introducing a liquid into the vessel, means for preventing reverse flow of the liquid into the liquid introducing means, means for introducing...
05/03/1977
 
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