Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8025488 | Transfer pump for high-pressure gasoline injection Transfer pump for high-pressure petrol injection of the type including a piston (1) which delivers oil into a deformable element such as a bellows (8), the deformations of the bellows (8) in a cylindrical chamber (6) filled with fuel caus... | 09/27/2011 |
| 7841842 | Chemical liquid supplying apparatus A chemical liquid supplying apparatus capable of discharging chemical liquid with high accuracy and monitoring a leakage of an incompressible medium from a region between a piston and a cylinder is provided. A pump has a flexible tube for partitioning a pump chamber... | 11/30/2010 |
| 7354190 | Two-stage mixing system, apparatus, and method A two-stage mixing system, apparatus, and method produces a solution including a first substance and a second substance in a predetermined ratio by first mixing the first substance with a first liquid to produce a first solution and then mixing the first solution wi... | 04/08/2008 |
| 7350597 | Drilling system and method A drilling system for drilling a bore hole into an earth formation, the bore hole having an inside wall. A drill string reaches into the bore hole from a surface, leaving a drilling fluid return passage between the drill string and the bore hole inside wall. A botto... | 04/01/2008 |
| 7316268 | Method for conditioning wellbore fluids and sucker rod therefore Invention refers to a method for conditioning wellbore fluids and to a sucker rod to accomplish the method used in the field of petroleum production. The method the invention refers to involves fact that the injection of the conditioning fluids is done directly thro... | 01/08/2008 |
| 7314554 | Extracorporeal blood treatment machine The invention relates to an extracorporeal blood treatment machine in which a blood circuit (3) is equipped with an inlet line leading to a filtration unit (2) and with an outlet line (3b) from the filtration unit; a fluid circuit compris... | 01/01/2008 |
| 7284970 | Fluid apparatus having a pump and an accumulator A pump liquid chamber (9) is formed inside a pump bellows (7). A suction port (18) and a discharge port (19) are formed in a wall face (4a) facing the liquid chamber (9). The suction port (18) communicates with... | 10/23/2007 |
| 7273465 | Device and methods for body fluid flow control in extracorporeal fluid treatments Disclosed are devices and methods for the control of body fluid flow in the extracorporeal treatment of body fluid. Body fluid flow through on of a body fluid flow circuit (10, 50, 60, 100 or 250) is controlled by alternating applying vacuum pressure a... | 09/25/2007 |
| 7247146 | Support element for an integrated blood treatment module, integrated blood treatment module and extracorporeal blood treatment apparatus equipped with said integrated module The invention relates to support element (4) comprising a main body (6) having a front wall (25) and a peripheral wall (32) projecting away from the front wall. The front wall and the peripheral wall define a housing compartment (33 | 07/24/2007 |
| 7232524 | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod... | 06/19/2007 |
| 7232418 | Support element, an integrated module for extracorporeal blood treatment comprising the support element, an apparatus for extracorporeal blood treatment equipped with the integrated module, and an assembly process for an integrated module for extracorporeal blood treatment An integrated module for extracorporeal blood treatment has a flat-shaped support element which exhibits on an internal face thereof a complex of fluid distribution lines and on an external face thereof a high-flow dialyzer. The support element has a base body which... | 06/19/2007 |
| 7223336 | Integrated blood treatment module and extracorporeal blood treatment apparatus The invention relates to an integrated blood treatment module (1) comprising a support element (4) and a fluid distribution circuitry associated thereto; the distribution circuitry comprises at least a blood line (44), a portion of which is secu... | 05/29/2007 |
| 7188621 | Portable ventilator system A portable ventilator uses a ROOTS-type blower as a compressor to reduce both the size and power consumption of the ventilator. Various functional aspects of the ventilator are delegated to multiple subassemblies having dedicated controllers and software that intera... | 03/13/2007 |
| 7185719 | Dynamic annular pressure control apparatus and method A drilling system for drilling a bore hole into a subterranean earth formation, wherein at least a portion of the mud flow from the primary mud pump is diverted to the mud discharge outlet, thereby creating a backpressure system to readily increase annular pressure.... | 03/06/2007 |
| 7163385 | Hydroimpedance pump A hydro-elastic pumping system formed from an elastic tube element having attached end members with different hydroimpedance properties, wherein the elastic element is pinched with certain frequency and duty cycle to form asymmetric forces that pump fluid. ... | 01/16/2007 |
| 7163023 | Fuel vapor vent valve float assembly and method of making same A float assembly for a multifunction fuel vapor vent valve with a float having a recess formed in the upper surface of the float with a slot formed in the side of the float and communicating with the recess. A raised surface portion is formed in the bottom of the re... | 01/16/2007 |
| 7135246 | Electronic apparatus having energy-saving cooling system An electronic apparatus includes a component to which a pressure is applied or which provides vibration, a heat absorbing member, a heat dissipating member, an elastomer bag which receives a pressure or the vibration from the component, a first check valve connected... | 11/14/2006 |
| 7134489 | System for controlling the discharge of drilling fluid A drilling system is provided for drilling a borehole into an earth formation, the drilling system comprising pump means for pumping drilling fluid into the borehole and discharge means for discharging drilling fluid from the borehole. The discharge means comprises ... | 11/14/2006 |
| 7059580 | Pinch valve suited for metals and other rigid materials A pinch valve is described wherein the critical flow path is modified to form a space between two opposing metal disks that transition between an open and a closed state. The disks are characterized by a spring constant and act like a diaphragm. A closure force is a... | 06/13/2006 |
| 7056806 | Microfeature workpiece processing apparatus and methods for controlling deposition of materials on microfeature workpieces The present disclosure provides methods and apparatus useful in depositing materials on batches of microfeature workpieces. One implementation provides a method in which a quantity of a first precursor gas is introduced to an enclosure at a first enclosure pressure.... | 06/06/2006 |
| 6921252 | Hydraulic pump driven by cyclic pressure A hydraulic pump for injecting a predetermined amount of a fluid product into a line carrying fluid that is subject to cyclic pressure. A chamber has a rigid outer wall adapted to be fluidly coupled to the line. A flexible bladder positioned within the chamber forms... | 07/26/2005 |
| 6822343 | Generating electric power in response to activity of a biological system A device for generating electricity includes a first portion including a first wall defining a first fluid passage and a second portion including a second wall defining a second fluid passage. A generator is coupled between the first and second portions and is capab... | 11/23/2004 |
| 6814547 | Medical fluid pump A method, system and apparatus for performing peritoneal dialysis are provided. To this end, in part, a pump for a dialysis system is provided. The pump includes a first chamber wall including a first aperture, a second chamber wall including a second aperture, a pi... | 11/09/2004 |
| 6733252 | Fluid-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 |
| 6699021 | Passively pumped liquid feed fuel cell system A direct methanol fuel cell (DMFC) system is provided with a pump for pumping methanol into the cell. The pump is driven by carbon dioxide produced by the electro-chemical reaction at the anode of the fuel cell. Because the amount of CO2 genera... | 03/02/2004 |
| 6672847 | Standing wave excitation cavity fluid pump A pump includes an outer body; and a wall within said outer body. The outer body and the wall define a pumping cavity and an excitation cavity within the outer body. An excitable medium is contained within the excitation cavity. An excitation source is co... | 01/06/2004 |
| 6619932 | Restarting device of a pump change-over valve which induces a pressure difference within the pump change-over valve to remove the latter from an intermediate stalled position A restarting device of a pump change-over valve in a pump is provided, in which the pump includes; a pump main body 1 and a change-over valve 2. The change-over valve 2 is provided with a pair of pressure chambers 31 and 32 formed at respective ends on th... | 09/16/2003 |
| 6619931 | Bladder pump for liquid sampling and collecting A liquid pump for pumping groundwater samples from small diameter sub-terrain wells, comprising a tubular casing having inlet apertures, a top cap provided with a fluid communication port and a liquid outlet port, a top bladder mandrel secured to the top ... | 09/16/2003 |
| 6488487 | Pulsation damping device The invention provides a pulsation damping device in which an offset load on a pulsation suppression diaphragm is eliminated while an air supply valve and an air discharge valve are separately and independently juxtaposed, and an extendable and contractib... | 12/03/2002 |
| 6481982 | Diaphragm pump having a mechanism for preventing the breakage of the diaphragm when a discharge check valve is not completely closed due to the insertion of foreign matter into the valve A diaphragm pump, in which a working fluid control valve (D) opens a working fluid make-up passage (B24) to prevent a diaphragm (C) from being damaged when an excessive discharge pressure acts on the diaphragm. The working fluid control valve (D) for open... | 11/19/2002 |
| 6464476 | Linear pump and method The linear pump (10,110) includes a housing (12, 112) and either two(20, 22) or one (120) flexible bladders each within a pump housing and interconnected to respective end caps (30, 32, 130, 132, 134, 136). Upon movement of a movable end cap relative to a... | 10/15/2002 |
| 6450784 | Air-operated pumps with removable cartridges and improved manifold attachment mechanisms An air-operated pump for groundwater sampling and other applications includes a removable cartridge coupled to a manifold configured to receive air-inlet and fluid-discharge tubes from an above-ground location. The removable cartridge may be in the form o... | 09/17/2002 |
| 6435845 | Air driven devices and components therefor An air driven double diaphragm pump has two opposed pumping cavities with diaphragms extending thereacross. A shaft extends between the diaphragms and through an actuator housing. The housing includes a control valve assembly having a control valve to dir... | 08/20/2002 |
| 6419462 | Positive displacement type liquid-delivery apparatus A positive displacement liquid-delivery apparatus includes a positive displacement pump 110 and a differential pressure control unit 142. The positive displacement pump 110 includes a liquid-delivery chamber 128 having a watertight housing 122 with one pa... | 07/16/2002 |
| 6382933 | Bladder pump for liquid sampling and collecting A liquid pump for pumping groundwater samples from small diameter sub-terrain wells. The pump comprises a tubular casing having swaged ends and provided with inlet apertures on its side wall, a top cap and a bottom cap each provided with a bladder mandrel... | 05/07/2002 |
| 6345962 | Fluid operated pump A pump, for moving a pumped fluid using a pumping fluid, comprising an outer housing defining an interior volume. A compressible main tube, having an interior space, is located within the outer housing. Inlet and exit valves, both having internal check va... | 02/12/2002 |
| 6328071 | Well pressure tank A water system uses a pressure tank of an extremely small size. Said pressure tank is of extremely small diameter and can be a variety of lengths. This pressure tank has an opening at one end for fluid inlet and an opening on the opposite end for fluid ou... | 12/11/2001 |
| 6322338 | Pulsation damping device for a pump According to the present invention, a device body casing 17 has a liquid chamber 20a for temporarily storing a liquid to be transported by a pump, a gas chamber 20b, and an extendably and contractibly deformable pulsation suppression diaphragm 18, which s... | 11/27/2001 |
| 6305913 | Pressure processing a pumpable substance with a flexible membrane An apparatus and method for pressure processing a pumpable substance, such as a pumpable food product or slurry. In one embodiment, the apparatus includes a pressure vessel having an inlet valve toward one end and outlet valve toward the other end. A flex... | 10/23/2001 |
| 6302660 | Tube pump with flexible tube diaphragm As tube-phragm pump includes a pump head (1) and an electromagnetic driver (2). The pump head (1) includes a cylinder (21) having a cylindrical space formed therein, and a cylindrical flexible tube (22) arranged coaxially within the cylindrical space of t... | 10/16/2001 |