Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8186973 | Tubular pump A tubular fluid pump is provided. The pump includes a chamber for receiving and discharging fluid, and a squeezing mechanism for pumping fluid through the chamber. The chamber has a first end with a first opening, a second end with a second opening, and a length of ... | 05/29/2012 |
| 8096786 | Three dimensional micro-fluidic pumps and valves A system is disclosed for the control of fluid flow in a micro-fluidic system, the system having: a substrate; at least one micro-fluidic channel having disposed in a microchannel layer atop the substrate; a conformable layer disposed on the micro-fluidic layer; a r... | 01/17/2012 |
| 7748962 | Fluid handling apparatus and method of handling a fluid A fluid handling apparatus includes a body, which comprises a fluid handling structure, and a flexible membrane attached to the body and formed to interact with a fluid in the fluid handling structure, wherein the membrane comprises a first actuation component. A se... | 07/06/2010 |
| 7695255 | Peristaltic pump A pump for generating fluid flow in an elastic tubular conduit. The pump comprises a plurality of electrically operated valves, each valve being positionable adjacent to the conduit. Each valve has a valve head configured to alternate from a first position in which ... | 04/13/2010 |
| 7547199 | Fluid pumping system and related methods A pumping system and related methods involving an outer chamber and an inner chamber extending between two endplates, wherein the circumference of the inner chamber may be adjusted via a plurality of ribs and linear motors. ... | 06/16/2009 |
| 7351235 | Snivel removing device A snivel removing device includes a housing having a partition to form two chambers and an outlet port and an inlet port communicating with the chambers. One or more bladders are attached to the housing, and communicating with the chambers, and compressible and expa... | 04/01/2008 |
| 7303725 | Automated high volume slide staining system An automated slide processing apparatus includes a plurality of work stations arranged in a stack, and a transport/elevator for transporting slides between the various work stations. ... | 12/04/2007 |
| 7273053 | Monitoring and control for a laryngeal mask airway device A reversibly operable motor is mechanically connected to automatically position the piston of an air syringe that is pneumatically connected to the inflatable/deflatable seal ring or cuff of a laryngeal mask airway device (LMA) that is installed in a patient, who is... | 09/25/2007 |
| 7270785 | Automated molecular pathology apparatus having fixed slide platforms Apparatus and methods for automatically staining or treating multiple tissue samples mounted on slides are provided, in which the slides and reagent bottles are held in fixed position, and the reagent and wash solutions brought to the slides. ... | 09/18/2007 |
| 7268466 | Piezo electric pump and device with such pump A measuring device for measuring in an ear canal includes a probe for insertion into an ear canal having an opening for letting air in to and out of the ear canal, and a pump for providing a pressure above a surrounding atmospheric pressure or below the surrounding ... | 09/11/2007 |
| 7250301 | In situ heat induced antigen recovery and staining method An automated in situ heat induced antigen recovery and staining method and apparatus for treating a plurality of microscope slides. The process of heat induced antigen recovery and the process of staining the biological sample on the microscope slide are conducted i... | 07/31/2007 |
| 7238165 | Fluid pump A pumping system 10 provides a physiological pulsatile flow and includes controller 121, a pump drive head 50 coupled to a motor 12 and a fluid housing 52 having at least one port 60. The port 60 includes a ball valve... | 07/03/2007 |
| 7216831 | Shape changing structure In one preferred embodiment, a structure is provided that includes a body having a first wall and a second wall. At least one appending component extends from an end of the body and includes a first skin and second skin. The structure additionally includes at least ... | 05/15/2007 |
| 7168925 | Automatic optimizing pump and sensor system A reciprocating electromagnetic pump comprising a coil wound about a bipolar or tripolar core, a diaphragm structure mechanically coupled to at least one arm with a magnet attached to one end of the arm and a controller electronically connected to the coil. The cont... | 01/30/2007 |
| 7159589 | Disposable laryngeal mask airway device The disclosed laryngeal mask airway device includes a mask portion and an airway tube. The mask portion includes an inflatable cuff, which defines a central opening when the cuff is inflated. The airway tube defines an internal passage extending from a proximal end ... | 01/09/2007 |
| 7144365 | Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and method of using same. One embodiment of the extracardiac system comprises a pump ... | 12/05/2006 |
| 7131628 | Vented MEMS structures and methods A vent connects a chamber to the external atmosphere surrounding a device to equalize pressure within the chamber. The vent has a size and shape to allow pressure equalization to occur outside a normal operating cycle of the chamber and controls the pressure to prev... | 11/07/2006 |
| 7125376 | Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same. One embodiment of the intravascular extracardiac system co... | 10/24/2006 |
| 7118356 | Fluid pump with a tubular driver body capable of selective axial expansion and contraction A fluid pump for pumping fluid. The fluid pump includes a driver having a substantially tubular shaped body defining a body axis and, a number of elements circumferentially spaced around the body. Each element is responsive to a signal to so as cause a corresponding... | 10/10/2006 |
| 7100851 | Method and apparatus for dispersing pigment in liquid medium The present invention provides an apparatus for dispersing pigment in a water-based or oil-based intermediate mixture for producing a coating composition comprising a mixer and a dispersing device, the mixer having a vacuum pump and capable of conducting a primary m... | 09/05/2006 |
| 7094037 | Oil-cooled compressor An oil-cooled screw compressor which can maintain the discharge temperature of discharge gas at an appropriate level is provided. The oil-cooled screw compressor comprises a compressor body, an oil separation/recovery unit disposed in a discharge path extending from... | 08/22/2006 |
| 7066086 | Stencil printer In a stencil printer, a diaphragm pump is used as an ink supply pump. ... | 06/27/2006 |
| 7040876 | Valves for a diaphragm pump A pump which has a diaphragm main body integrally connected at a planar portion to a diaphragm portion forming a pump chamber and performs a pumping action by reciprocating a driving portion disposed integrally with the diaphragm portion; the pump being configured c... | 05/09/2006 |
| 7036751 | Pump operated spraying device A water gun and a watering container using an electrically operated peristaltic pump for pumping water through a nozzle located at the end of a tube connecting a reservoir with an outlet opening. The pump is electrically controlled by a trigger mechanism in a handle... | 05/02/2006 |
| 7021910 | Solar energy operated air pump A solar energy operated air pump includes a rectangular box having a lower lid connected to the bottom, an upper lid openably covering the top thereof and a solar cell inlaid into the upper lid protected by a layer of transparent painting. Inside the box there are a... | 04/04/2006 |
| 7013793 | Diaphragm mounting method for a diaphragm pump A diaphragm pump and method for making same, the pump having a diaphragm coupled to a wobble plate achieved using: a post (11) protruding from the wobble plate toward the diaphragm and at least partially surrounded by a collar (11a); and a pin (... | 03/21/2006 |
| 7011507 | Positive displacement pump with a combined inertance value of the inlet flow path smaller than that of the outlet flow path A pump according to the present invention has a circular diaphragm 4 placed at the bottom of a casing 2. At the bottom of the diaphragm 4, a piezoelectric element 6 is installed in contact with the diaphragm 4. A narrow space betwe... | 03/14/2006 |
| 6977056 | Electromagnetic oscillating type pump and method for manufacturing the same An electromagnetic oscillating type pump for oscillating diaphragms connected to an oscillator through electromagnetic oscillation of the oscillator with magnetic body by utilizing magnetic interaction between an electromagnetic portion comprising one or a plurality... | 12/20/2005 |
| 6969345 | Miniature, pulsatile implantable ventricular assist devices and methods of controlling ventricular assist devices A pumping system for assisting either or both ventricles of the heart. In one embodiment, separate devices are provided for each ventricle. In another embodiment, one device provides both right and left pumping. The pumping system is small, efficient, atraumatic, an... | 11/29/2005 |
| 6960068 | Center valve sleeve retention system for an oscillating pump A pump (10) includes an impeller (12) positioned in a housing (11). A valve assembly (13) is positioned within a valve sleeve (25) which is carried by the impeller (12). The impeller (12) is carried by an armature ( | 11/01/2005 |
| 6935846 | Dosing pump The invention relates to a dosing pump comprising a chamber, an inlet valve located in an inlet pertaining to said chamber, and an outlet valve located in an outlet pertaining to said chamber. The chamber is divided into two partial chambers (2, 18) by a sepa... | 08/30/2005 |
| 6918748 | Tube pump A tube pump (1A) of the present invention is provided with a main body (2) to which a tube (100) is attached, a rotor (5), an oscillator (6) located so as to touch an outer circumferential face of the rotor (5), and a plural... | 07/19/2005 |
| 6884040 | Multi pumping chamber magnetostrictive pump A positive displacement pump includes a magnetostrictive actuator. A single actuator drives multiple pumping chambers. The pump may include two pumping chambers driven in phase by the linear expansion of the actuator at both its ends. The pump may include a third pu... | 04/26/2005 |
| 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 |
| 6655923 | Micromechanic pump A micromechanical pump has a membrane (2) positioned above a substrate (1). The substrate is provided with a cavity (8) which is formed in an endlessly continuous shape (e.g., circular) to provide a channel for a drive fluid. A cover (9) is positioned abo... | 12/02/2003 |
| 6616425 | Feed device for a motor vehicle and reservoir for a feed device A feed device (1) for washer fluid, wherein an electric motor (3) which is provided for driving a feed pump (4) has a housing (6) which is sealed in the upper region and an opening (11) which is arranged in the lower region level with the feed pump (4). V... | 09/09/2003 |
| 6607368 | Linear pump and method A linear pump for pumping a fluid includes a generally tubular shaped bladder 50 sealingly engaged on each end to an end cap 20, 25, forming an inner chamber 14, and including each of an inlet 70 and an outlet 75 inner chamber check valve to fluidly inter... | 08/19/2003 |
| 6599106 | Tube pump and ink jet recording apparatus incorporating the same In a tube pump, a rotor is fixed to a drive shaft so as to rotate therewith. A tube pressing member is swingable in an axial direction of the drive shaft. A swinging member swings the tube pressing member in accordance with the rotation of the rotor. An u... | 07/29/2003 |
| 6554587 | Pump and diaphragm for use therein The pump of the present invention preferably includes a housing having an inlet port, an outlet port and a chamber located in fluid communication with the inlet port and the outlet port. A diaphragm is sealingly secured in the chamber and, together with t... | 04/29/2003 |
| 6544005 | Diaphragm for a diaphragm pump A diaphragm for a diaphragm pump is in the form of a vehicle tire. The vehicular tire has a first mounting face, a second mounting face and a circumferential tread portion positioned between first mounting face and the second mounting face. A first sealin... | 04/08/2003 |
