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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8162634 | Pulsatile rotary ventricular pump A roller pump conduit defining a pump chamber is provided. The roller pump conduit includes a roller contact portion having a fill region and a delivery region. The fill region has a first taper configured to determine volume delivery per revolution of a roller head... | 04/24/2012 |
| 8118572 | Peristaltic pump tubing with stopper and cooperative roller assembly housing having no moving parts A peristaltic pump system includes elastomeric pump tubing and a roller pump. The pump tubing has a pumping segment and an inlet segment. The inlet segment has an inlet segment outer diameter. The pumping segment has a pumping segment outer diameter less than the in... | 02/21/2012 |
| 7980835 | Tube retainer system for a peristaltic pump A retaining assembly comprising a base and a retainer comprising a wall and a notch in the wall. The notch in the wall has an arcuate first portion and an arcuate second portion that converge at a juncture. The first and second arcuate portions of the notch are orie... | 07/19/2011 |
| 7874819 | Marked tube for a peristaltic pump A tube is provided for use in a peristaltic pump, with the tube including a cylindrical wall defining a hollow interior and a cylindrical outer surface. The tube further includes a longitudinal centerline axis and a plurality of indicia applied to the cylindrical ou... | 01/25/2011 |
| 7762794 | Tube and tube pump The tube 110 has a hollow portion 111 and a wall portion 112. The tube 110 has mutually contacting wall portions 111a that become compressed in such a way that the wall portion 112 comes into mutual contact in the hol... | 07/27/2010 |
| 7393189 | Surgical cassette having an aspiration pressure sensor A cassette having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The flow channel projects outwardly from the exterior of the cassette so that a peristaltic pump having pump head rollers mounted ... | 07/01/2008 |
| 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 |
| 7191957 | Peristaltic machine for depositing viscous materials A peristaltic depositing machine includes a hopper to store viscous material. A flexibly deformable tubing section is connected to the hopper for receiving the viscous material. A pair of rollers cooperate to compress tubing section and thereafter move forwardly alo... | 03/20/2007 |
| 7150607 | Uniform flow displacement pump A displacement pump comprising a pump assembly and a cassette assembly. The pump assembly includes upper and lower housing portions that define a cavity, an arm disposed in the cavity, a roller attached to the distal end of the arm, and a motor attached to the proxi... | 12/19/2006 |
| 7144231 | Peristaltic pump with ganged tubes A pump having a rotary portion which compels the movement of a fluid by peristaltic compression of resilient tubing containing the fluid includes a tube component having a plurality of adjacent resilient tubes, with a web interconnecting the adjacent resilient tubes... | 12/05/2006 |
| 7128242 | Storage and dispensing aliquot portions of liquid egg in a wholesome and convenient manner A system top deliver liquid egg product in aliquot portions respective to a selected number of eggs, the system being totally contained in a cooled surround. ... | 10/31/2006 |
| 7059840 | Energy-saving, anti-free flow portable pump for use with standard PVC IV tubing An apparatus for pumping fluid through tubing comprising a stop platen is disclosed. The stop platen is operatively arranged to depress a wall of the tubing along a section of a longitudinal axis of the tubing. The stop platen is narrower than the tubing along a tra... | 06/13/2006 |
| 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 |
| 6872058 | Travelling volume pump chamber surface arrangement A surface arrangement (30) adapted for use in a travelling volume pump. The pump (50) has a pumping chamber defined between first and second opposed pumping chamber surfaces (52, 54), which extend from an inlet to an outlet of the pump in a pump... | 03/29/2005 |
| 6811386 | Peristaltic pump with preformed tube A peristaltic pump mechanism comprises a base plate (11) having a generally planar surface for supporting a pump tube (12) to extend at least partially around a circular path defined on said surface, an operating section (10) connectable to the ... | 11/02/2004 |
| 6776591 | Membrane pump comprising an inlet opening that is controlled by the membrane A membrane pump (1) having a membrane (24) which can be actuated by a crank drive (32), which membrane bounds, together with a concave pump body surface (8), a pump chamber (38), an inlet channel (4) and an outlet channel ( | 08/17/2004 |
| 6769885 | Peristaltic pump, use of said pump, guide path for use in a peristaltic pump and a method of lubricating a peristaltic pump A peristaltic pump (6) for pumping viscous media, comprises a housing (6A, 6B) having a wall (12) against which a hose (25) is placed, a shaft (7) that is centrally positioned in the housing and that carries a roller arm ( | 08/03/2004 |
| 6554589 | Flexible tube pinch mechanism A pinch mechanism suitable for use as a valve or as part of a pump. The pinch mechanism comprises a housing (11) within which an elongate conduit element (12) is located. A conduit engagement member (13c) is retained within the housing (11) to be movable ... | 04/29/2003 |
| 6171082 | Peristaltic pumping mechanism A peristaltic pumping mechanism is provided with a non-permeable peristaltic circuit comprising two strips of thin metal laser bonded at their edges to form a tube. In one embodiment, the non-permeable tubing takes the form of a continuous loop having inp... | 01/09/2001 |
| 6168397 | Flexible tube of squeeze pump A squeeze type pump that transfers slurry via an elastic tube by squeezing the elastic tube with pairs of rollers to elastically deform the tube by moving each pair of squeezing rollers. The elastic tube has an outer diameter, an inner diameter, and a thi... | 01/02/2001 |
| 6093002 | Transport hose with safety channel and method of using the hose in a pump A hose has an internal longitudinal channel in its sidewall as a safety device, to provide a prompt indication of impending failure or leakage into or out of the hose. A hose pump featuring such a hose is an improvement over conventional peristaltic pumps... | 07/25/2000 |
| 5482447 | Peristaltic pump with rigid fluoroplastic tubing An improved peristaltic pump using a pumptube comprising an inner tube and an outer tube each of rigid fluoroplastic material, preferably polytetrafluoroethylene (PTFE), is provided. The pumping section of the pumptube which contacts the pressure rollers ... | 01/09/1996 |
| 5470210 | Product filling assembly A product filling assembly includes a rotary member which has two discs mounted for rotation on a common central shaft and a plurality of additional shafts and rollers positioned between the discs so that a circumferential portion of each roller extends b... | 11/28/1995 |
| 5468129 | Peristaltic pump An improved peristaltic pump using a pumptube comprising an inner tube and an outer tube each of rigid fluoroplastic material, preferably polytetrafluoroethylene (PTFE), is provided. The pumping section of the pumptube which contacts the pressure rollers ... | 11/21/1995 |
| 5374251 | Medical fluid pump apparatus A medical fluid pump apparatus is provided for use with a fluid delivery set including a fluid reservoir, a delivery outlet, and tubing connecting the reservoir to the outlet. The apparatus includes a pump supported on a housing, and a shelf spaced from t... | 12/20/1994 |
| 5350284 | Peristaltic pump In a peristaltic pump comprising a pump tube with elastically deformable wall, which pump tube is arranged in a pump housing and is fitted into the pump housing with a portion which is curved in a part-circular configuration around a shaft of a rotor of t... | 09/27/1994 |
| 5316444 | Pump control and method of pumping A pump control controls the rate at which liquid is pumped through a tube. The pump has a variable speed shaft with a roller thereon engaged with the tube between the tube inlet the tube outlet for pumping liquid from a supply toward the tube outlet when ... | 05/31/1994 |
| 5281112 | Self regulating blood pump with controlled suction A peristaltic pump having controlled suction. In one embodiment, the pump includes a tubing which is collapsed when the internal pressure of the tubing is equal to or less than ambient. In this state, the pump is unable to generate negative pressures. An ... | 01/25/1994 |
| 5261793 | Miniature mechanical vacuum pump A miniature mechanical vacuum pump capable of producing intermediate vacuums on the order of about 10-1 to 10-2 Torr is provided by a peristaltic pump. In order to dissipate heat in the pump tubing, a cooling fan provides direct a co... | 11/16/1993 |
| 5249937 | Peristaltic pump with three lockingly sealed modules A medical peristaltic pump having improved pumping and sealing qualities, as well as providing increased flexibility of use and a high level of security. The pump is assembled from at least three modules, a pump rotor (22) being housed in a first module (... | 10/05/1993 |
| 5215450 | Innovative pumping system for peristaltic pumps The invention is a pumping system composed of a relatively thin wall extruded tubing that in different forms can provide flow regulation for peristaltic pumps, reduce spallation, extend pumping life, provide means to measure inlet and outlet pressure of t... | 06/01/1993 |
| 5127908 | Peristaltic infusion device A rotary type of peristaltic pump having the rotor member mounted on one side thereof and including a swing arm rotatably mounted along the side of the peristaltic pump such that the swing arm is movable between a fluid delivery set loading open position ... | 07/07/1992 |
| 5057081 | Peristaltic infusion device A rotary type of peristaltic pump having the rotor member mounted on one side thereof and including a swing arm rotatably mounted along the side of the peristaltic pump such that the swing arm is movable between a fluid delivery set loading open position ... | 10/15/1991 |
| 5049048 | Hose pump A hose pump has a housing (10) with a pressure connection (14) and an intake connection (12). A hose (22) is connected to the pressure connection and the intake connection and rests against the inner wall (24) of the housing (10). Squeezing members (26) c... | 09/17/1991 |
| 5037274 | Peristaltic apparatus and method for pumping and/or metering fluids A peristaltic pumping and metering apparatus and method whereby tube walls are squeezed inwardly against cores contained in the tubes. A plurality of rings are frictionally driven in epicyclic manner, to thus deform a contoured belt against the core-conta... | 08/06/1991 |
| 4997347 | Peristaltic motor A fluid motor is disclosed that has a housing with a body portion formed as a hollow circular cylinder. A series of peristaltic tubes are disposed in the housing with one end of each tube leading from an inlet manifold on the housing and with the other en... | 03/05/1991 |
| 4982903 | Peristaltic voltage block A coating material dispensing system includes an electrostatic high potential supply having an output terminal on which the supply maintains a high electrostatic potential, a source of coating material, a dispenser for dispensing the coating material, and... | 01/08/1991 |
| 4954055 | Variable roller pump tubing A variable diameter tube for use with a roller pump which is formed with a central large diameter section that is positioned in the roller pump raceway. This tube is formed with two end portions of substantially similar internal diameter with the diameter... | 09/04/1990 |
| 4878622 | Peristaltic voltage block A coating material dispensing system includes an electrostatic high potential supply having an output terminal on which the supply maintains a high electrostatic potential, a source of coating material, a dispenser for dispensing the coating material, and... | 11/07/1989 |
| 4767289 | Peristaltic pump header A pump header for use in a peristaltic pump. The pump header includes a flexible outer tube, a collapsible-expandable inner tube, a pressure control valve member and a one-way-flow valve member. The inner tube is disposed within a passageway of the outer ... | 08/30/1988 |
