Spring diaphragm
The high pressure diaphragm of the present invention provides greater reliability and utility in that it comprises a generally planar central member having an outer edge, a generally planar outer flan... Read More
Inventors: Smiley, Parker C.;, Assignee: Physics International Company (San Leandro, CA) |
Electromagnetically operable valve
I claim: 1. An electromagnetically operable valve comprising a housing, a valve body mounted in the housing and a valve member axially slidable in the valve body between open and closed positions, an ... Read More
Inventors: Potter, James C.;, Assignee: Lucas Industries Public Limited Company (Birmingham, GB2) |
Single-pump multiple stroke proportioning for gradient elution liquid chromatography
What is claimed is: 1. In a high pressure, high performance liquid chromatography system a method for providing gradient proportioning of a plurality of solvent components, said system comprising: a p... Read More
Inventors: Abu-Shumays, Ahmad; Helmer, John C.; Luchetti, Stephen J.;, Assignee: Varian Associates, Inc. (Palo Alto, CA) |
Electromagnetic apparatus operating on electrically conductive fluids
What is claimed: 1. An apparatus for operating on an electrically conductive fluid, comprising: a first conduit for containing the conductive fluid for movement therein; at least two apertures dispose... Read More
Inventors: Alexeff, Igor;, Assignee: The University of Tennessee Research Corporation (Knoxville, TN) |
Method and apparatus for the submerged growth of cell cultures
What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims: 1. Method for the submersed growth of tissue culture cells in a cell growth apparatus comprisi... Read More
Inventors: Karrer, Daniel; Bondi, Henry S.;, Assignee: Chemap AG (Mannedorf, CH) |
Process for determining the polarity of a crude oil
I claim: 1. A process for determining the relative polarity of a crude oil or fraction thereof comprising: (a) contacting a known test substance with a stationary phase of the crude oil or fraction in... Read More
Inventors: de Andrade Bruning, Inai M. R.;, Assignee: Petroleo Brasileiro S.A. - Petrobras (Rio de Janeiro, BR) |
Sterilant additive holder for CAPD sets
The invention fills the above-stated need by providing a disposable holder which can be affixed to a work surface such as a table and which serves the dual purpose of maintaining the exchange set conn... Read More
Inventors: Richmond, Douglass S.;, Assignee: Kendall McGaw Laboratories, Inc. (Irvine, CA) |
Connectors
Novel connectors for connecting fluid flow lines in flow relation, caps for capping the connectors and themselves fitting together in various configurations are the subject of the present invention. T... Read More
Inventors: Velde, Christian V.; Balteau, Patrick;, Assignee: Travenol European Research & Development Center (Brussels, BE) |
Ripple regulator in a liquid supply system
The present invention relates to a liquid supply system and, more particularly, to a ripple regulator for removing ripples generated by a pump included in the liquid supply system. The present inventi... Read More
Inventors: Aiba, Masahiko;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Method of manufacture for a resistance heater and temperature sensor
In the following detailed description, certain specific terminology will be utilized for the sake of clarity and a particular embodiment described in accordance with the requirement of 35 USC 112, bu... Read More
Inventors: Hurko, Bohdan; Dills, Raymond L.;, Assignee: General Electric Company (Louisville, KY) |
Fault detecting apparatus for fluid pressure systems
My invention overcomes the disadvantages of the prior art and provides a fault detecting apparatus to identify a specific malfunctioning component utilized in a machine fluid pressure operated system ... Read More
Inventors: Markle, Charles R.;, Assignee: |
Positive displacement pump output monitor
The present invention, therefore, is directed to a positive displacement pump output monitor which comprises: a pulse receiving chamber attached to the discharge line of the pump and through which the... Read More
Inventors: Gasper, Kenneth E.; Ehrhart, Raymond G.;, Assignee: Olin Corporation (Cheshire, CT) |
Device for combined spinal and epidural anesthesia
What is claimed is: 1. A device for combined spinal-epidural anesthesia, comprising: an epidural needle having a straight section terminating in a bent free end portion with an inclined, pointed tip, ... Read More
Inventors: Eldor, Joseph;, Assignee: |
Hemodialysis system
A self-contained blood dialysis unit in accordance with this invention generally comprises a proportioning pump, a canister, and different dialysate flow paths. In one path, the proportioning pump rec... Read More
Inventors: Fischel, Halbert;, Assignee: |
Removal of water-immiscible solvents from offgases containing same
We claim: 1. A process for removing benzene or toluene from an off-gass obtained in the extraction of caprolactam from crude lactam, which comprises washing the off-gass with an aqueous solution of cr... Read More
Inventors: Brand, Uwe; DeDecker, Emile; Deuker, Ernst; Fuchs, Hugo; Kartte, Klaus; Neubauer, Gerald; Oostvogels, Jozef;, Assignee: BASF Aktiengesellschaft (Ludwigshafen, DE) |
Membrane unit and device for cleansing blood
Accordingly, it is an object of the present invention to provide a membrane unit for the simultaneous removal of toxic metabolites and metabolites normally present in urine from blood, which is only s... Read More
Inventors: Walch, Axel; Lammers, Ludwig;, Assignee: Hoechst Aktiengesellschaft (Frankfurt am Main, DE) |
Apheresis method and device
The present invention comprises a simplified fluid separation method and device. In accordance with the present invention, there is provided a fluid separation or apheresis method wherein at least one... Read More
Inventors: Prince, Paul R.; Miller, William; Benjamin, Grant S.;, Assignee: Baxter International Inc. (Deerfield, IL) |
Electrode and method used for iontophoresis
An iontophoretic electrode array for use in transdermal transport of ionic solutions through mammalian skin has a plurality of ion transmitters for establishing electric field lines in an area and for... Read More
Inventors: Sage, Jr., Burton H.;, Assignee: Becton, Dickinson and Company (Franklin Lakes, NJ) |
Vacuum regulator valve
These and other objects of the present invention are achieved by an adjustable vacuum regulator valve having a needle-nose stem valve within a valve body, the valve body having an inlet and outlet por... Read More
Inventors: Semon, Albert L.;, Assignee: |
Liquid handling system
What is claimed is: 1. A liquid handling system comprising, inlet port structure for introduction of a liquid sample, auxiliary liquid storage structure, reduced pressure reservoir structure, flow net... Read More
Inventors: Webster, Milo E.;, Assignee: Allied Corporation (Morristown, NJ) |
Specialized pipefitting cover for insulated Y-shaped joint
I claim: 1. A specialized pipefitting cover for an insulated, Y-shaped joint comprising: two half sections including a first section having an elongated trough-shaped body shaped to conform to a strai... Read More
Inventors: Botsolas, Chris J.;, Assignee: Proto Corp. (Clearwater, FL) |
Tanning and screening apparatus
Accordingly, the present invention discloses a sun reflecting and a sun screening apparatus having a generally rectangular folding frame. The frame is formed by connecting the open ends of two U-shape... Read More
Inventors: House, J. C.; House, Jonathan C.;, Assignee: |
Method of applying a local anesthetic agent to a wound
It is an object of the present invention to provide a device and method suitable for application of a local anesthetic agent to an operative wound without necessitating the use of narcotics and sedati... Read More
Inventors: Berson, Daniel;, Assignee: |
Self-enclosed filter pumping system
I claim: 1. A fluid pumping system comprising: a pump shell including a series of pump passages connecting (a) a first location on the exterior of said shell to a first valve cavity, (b) said first va... Read More
Inventors: Swain, Danny C.;, Assignee: |
Double diaphragm leakproof sealing device for electric windscreen washer pumps
Accordingly, it is an object of the present invention to provide a double diaphragm leakproof sealing device for electric windscreen washer pumps, which avoids the disadvantages of the prior art. The ... Read More
Inventors: Mota, Miguel; Morales, Jose L.;, Assignee: Transpar Iberica S.A. (Rubi, ES) |
Admittance measuring system for monitoring the condition of materials
It is an overall object of this invention to monitor the condition of materials at a remote location utilizing admittance measurements. It is more specific object of this invention to minimize the pow... Read More
Inventors: Maltby, Frederick L.; Kramer, Jonathan; Loewenstern, Kenneth M.;, Assignee: Drexelbrook Controls, Inc. (Horsham, PA) |
Method and device for indicating the level of liquid in an automobile fuel tank
According to the invention, the measured values of the level of the liquid at predeterminable time intervals are provisionally stored and compared with the instantaneous measured values and, increasin... Read More
Inventors: Vetter, Egon; Pfeifer, Thomas; Burghoff, Heinz-Georg; Daub, Werner;, Assignee: VDO Adolf Schindling AG (Frankfurt am Main, DE) |
Methods and apparatus for autologous blood recovery
OF THE PREFERRED EMBODIMENTS It will be appreciated that the components of the present invention, as generally described and illustrated in the figures below, could be arranged and designed in a wide... Read More
Inventors: Lane, Perry L.; Shettigar, Udipi R.;, Assignee: |
Modular operations center for in-ground swimming pool
It is a primary object of the present invention to provide a modular unit for swimming pools which contains essentially the entire operations of a swimming pool functioning system and avoids the need ... Read More
Inventors: Weir, Donald H.; Frederick, Stanley H.; Hotaling, Robert A.; Robol, Ronald B.;, Assignee: Fox Industries Incorporated (York, PA) |
Heater for use as either primary or auxiliary heat source and improved circuitry for controlling the heater
What is claimed is: 1. A circuit for establishing a desired value of a physical parameter at an object, said circuitry comprising means for establishing a first regulated reference voltage; means for ... Read More
Inventors: Wallgren, Linus E.; Mason, Bobby L.; Siegel, William J.; Olesen, Ole V.; Abbagnaro, Louis A.;, Assignee: Pace, Incorporated (Laurel, MD) |
Liquid Purification 
