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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 417/46 - By controlling drive motor motive fluid


Subclass of Class 417 - Pumps
Definition: Subject matter in which the motor drive means for the pump
No. of patents: 130
Last issue date: 04/10/2012


1        
NumberTitleIssue Date
8152476Positive displacement pump with a working fluid and linear motor control
The present invention relates to positive displacement pumps, and particularly to diaphragm positive displacement pumps. An inventive diaphragm positive displacement pump is provided comprising at least one pumping chamber containing a deformable hose diaphragm, a w...
04/10/2012
8092191Control system for reciprocating device
A control system for a reciprocating device which includes a switching valve for directing fluid supply under pressure to one of two drive lines in an alternating manner, means for alternating the switching valve, and an exhaust circuit including and exhaust outlet,...
01/10/2012
7866953Fluid pump
A fluid pump for moving a fluid from a first fluid source of the fluid in a low pressure state to a second fluid source of the fluid in a high pressure state, includes a chamber; a partitioning member displaceable in the chamber and dividing the chamber into first a...
01/11/2011
7600982Compact helical compressor for mobile use in a vehicle
A compact helical compressor system for mobile use in vehicles is described. The system includes a helical compressor unit, a motor unit dedicated to the helical compressor unit for driving the helical compressor unit, and a control unit for adjusting a rotational s...
10/13/2009
7517199Control system for an air operated diaphragm pump
The present invention includes methods and apparatuses for operating and controlling AOD pumps. ...
04/14/2009
7428815Method of operating a compressor near the compressor pumping limit and compressor
In a method of operating a compressor near the compressor pumping limit wherein the compressor includes a control arrangement for adjusting the momentary operating state of the compressor, the flow velocity of a mass flow through the compressor in the boundary layer...
09/30/2008
7318483Fire fighting foam injection system with auto-start feature
A fire fighting vehicle of the type having a system for introducing a liquid foam concentrate into a water delivery hose so that the percentage concentration of foamant in the mixture remains at a predetermined set value irrespective of variations in the water flow ...
01/15/2008
7291565Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid
A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl...
11/06/2007
7287964Method and system for pumping powder, and powder coating apparatus
In a pump system for supplying powder, in particular coating powder, to a powder coating apparatus, time controller is used to introduce compressed gas into a metering chamber as a function of the predetermined delay time elapsed since a predetermined operational po...
10/30/2007
7255772High pressure processing chamber for semiconductor substrate
A high pressure chamber comprises a chamber housing, a platen, and a mechanical drive mechanism. The chamber housing comprises a first sealing surface. The platen comprises a region for holding the semiconductor substrate and a second sealing surface. The mechanical...
08/14/2007
7250374System and method for processing a substrate using supercritical carbon dioxide processing
A method and system for processing a substrate in a film removal system. The method includes providing the substrate in a substrate chamber of a film removal system, where the substrate has a micro-feature containing a dielectric film on a sidewall of the micro-feat...
07/31/2007
7204314Fluid removal from gas wells
A method of removing produced fluid from a well producing both gas and liquid comprises utilising produced gas flowing from a formation to power a produced liquid pump. The produced liquid from the pump and the produced gas are carried towards surface in separate fl...
04/17/2007
7178592Closed loop multiphase underbalanced drilling process
The present invention provides apparatus and methods for handling fluids returning from a well. The fluids are introduced into a separator and a separated gas stream is recovered or recycled. The gas stream may comprise more than one phase. The separated gas stream ...
02/20/2007
7175394Hydraulic multiphase pump
The present invention provides a hydraulically driven multiphase pump system and methods for pumping a fluidstream from the surface of a well. The hydraulically driven multiphase pump system consists of two vertically disposed plungers. The plungers are hydraulicall...
02/13/2007
7168928Air driven hydraulic pump
An air driven hydraulic pump includes two opposed cylinders to either side of a center section. Two pneumatic pistons are slidable in the opposed cylinders and are coupled with one another by a common shaft extending through the center section. The pneumatic pistons...
01/30/2007
7163380Control of fluid flow in the processing of an object with a fluid
An apparatus for and methods of control of a fluid flow. In a system for supercritical processing of an object, the apparatus includes a measuring device for measuring a pump performance parameter and a controller for adjusting a fluid flow in response to the perfor...
01/16/2007
7162332Turret deployment system and method for a fire fighting vehicle
A turret control system and method for a fire fighting vehicle is disclosed. The turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store modu...
01/09/2007
7160441Urban runoff water treatment methods and systems
The apparatus and methods of the present invention enable efficient and appropriate treatment of Urban Water Runoff, so that the treated Urban water Runoff can be can be introduced into public waterways without contaminating such waterways. The system apparatus util...
01/09/2007
7140393Non-contact shuttle valve for flow diversion in high pressure systems
A valve for redirecting flow in a supercritical fluid or other high pressure processing system is disclosed. In high pressure supercritical carbon dioxide (SCCO2) equipment for semiconductor wafer processing, a major hurtle in providing clean equipment and clean waf...
11/28/2006
7143016System and method for dynamic multi-objective optimization of pumping system operation and diagnostics
Control systems and methodologies are disclosed for controlling a process having one or more motorized pumps and an associated motor drives, which comprise selecting a desired operating point within an allowable range of operation about a process setpoint according ...
11/28/2006
7134849Molded disposable pneumatic pump
A mechanical pump having a unitary construction such that the fluid being pumped is prevented from leaking without requiring the use of discrete seal elements. The absence of discrete seal elements and integral coupling of various components of the pump substantiall...
11/14/2006
7127331Turret operator interface system and method for a fire fighting vehicle
A turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store module. The preferred turret control system also provides improved turret control f...
10/24/2006
7096669Method and apparatus for the prevention of critical process variable excursions in one or more turbomachines
Many variables in processes such as those using turbocompressors and turbines must be limited or constrained. Limit control loops are provided for the purpose of limiting these variables. By using a combination of closed loop and open loop limit control schemes, exc...
08/29/2006
7060422Method of supercritical processing of a workpiece
An apparatus for supercritical processing and non-supercritical processing of a workpiece comprises a transfer module, a supercritical processing module, a non-supercritical processing module, and a robot. The transfer module includes an entrance. The supercritical ...
06/13/2006
7044662Developing photoresist with supercritical fluid and developer
An apparatus for developing a polymeric film without the need for a water rinse step is disclosed. An object having a surface supporting a polymeric film is placed onto a support region within a pressure chamber of the apparatus. A fluid and developer is introduced ...
05/16/2006
7004727Blood component processing systems and methods using fluid-actuated pumping elements that are integrity tested prior to use
Blood component processing systems and methods are coupled to a blood component processing device. The systems and methods include a fluid circuit that comprises at least one fluid pressure actuated pump station, at least one fluid flow path communicating with the p...
02/28/2006
6998993Photoresist pump dispense detection system
A detection circuit that includes a first relay coupled to a solenoid valve for sensing an operation state of the solenoid valve, a second relay coupled to the first relay adapted for activating in response to activation of the first relay, a sensor for detecting an...
02/14/2006
6981848Methanol injection system and method to prevent freezing of a natural gas pipeline
A system for injecting an injection fluid into a pipeline includes an injection pump, a timer for initiating sequencing of the pump, a control valve for controlling the flow of pressurized fluid to power the injection pump, a controller for controlling operation of ...
01/03/2006
6948917Valving system for a downhole hydraulically actuated pump
An engine for actuating a hydraulic downhole pump having a piston vertically reciprocated in a cylinder includes a reversing valve carried with the power piston and serving, when in a first position, to direct fluid flow to force the piston upwardly and in a second ...
09/27/2005
6929334Caterpillar track tension management
A management system is disclosed for controlling the tension of an endless track by regulating the hydraulic pressure in a hydraulic jack acting on a roller serving to tension the track. The tension management system comprises two accumulators of different capacity ...
08/16/2005
6926012Method for supercritical processing of multiple workpieces
An apparatus for supercritical processing of multiple workpieces comprises a transfer module, first and second supercritical processing modules, and a robot. The transfer module includes an entrance. The first and second supercritical processing modules are coupled ...
08/09/2005
6921456High pressure processing chamber for semiconductor substrate
A high pressure chamber comprises a chamber housing, a platen, and a mechanical drive mechanism. The chamber housing comprises a first sealing surface. The platen comprises a region for holding the semiconductor substrate and a second sealing surface. The mechanical...
07/26/2005
6846161Blood component processing systems and methods using fluid-actuated pumping elements that are integrity tested prior to use
Blood component processing systems and methods are coupled to a blood component processing device. The systems and methods include a fluid circuit that comprises at least one fluid pressure actuated pump station, at least one fluid flow path communicating with the p...
01/25/2005
6790010Switching system for a reciprocating piston pump
A pumping system. The pumping system has a cylinder pump, a first group of switching devices, and a second group of switching devices. The first group of switching devices enable the cylinder pump to pump the liquid by feeding the gas provided by the gas source into...
09/14/2004
6752599Apparatus for photoresist delivery
A controller for a photoresist dispense pump is described that actively monitors the operation of the pump and dynamically determines completion of the refill of the pump. In one embodiment, pressure measurements are made during the refill step. Changes in the press...
06/22/2004
6733252Fluid-handling systems and components comprising a bladder pump, a methods therefor
A fluid-handling system capable, in various embodiments, of storing, mixing, and dispensing fluids, and also regulating the flow of fluids. The system includes a cartridge having a non-expandable housing, and a bladder within the housing. In some variations, a drive...
05/11/2004
6725940Foam additive supply system for rescue and fire fighting vehicles
A system for supplying a pre-determined ratio of liquid foam concentrate and water to a mixing device immediately upstream from a fire fighting nozzle. The system is electronically balanced by measuring pressure from a plurality of pressure signal sensors and transm...
04/27/2004
6672841Pumping and metering device
The present invention relates to a pumping device for delivering and metering fluids, in particular medical fluids such as dialysis fluids, with a piston unit having a driving device and a piston and with a membrane unit which has a membrane and a first c...
01/06/2004
6619318Multiple flow rate eductive dispenser
A dispenser for dispensing at two flow rates eductively draws a chemical fluid such as a concentrated cleaning solution for diluting with a motive fluid such as water. Using eduction rather than gravity feed provides a consistent dilution ratio over a ran...
09/16/2003
6609898Process and device for pumping compressible materials with reduced pressure pulsation
A hydraulic system for a reciprocating piston pump that includes an accumulator for producing a steady-pressure supply of compressible material to a distribution nozzle. The hydraulic system includes an adjustable means for constricting the flow of hydrau...
08/26/2003
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