Celebrity Inventors
Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7845212 | High pressure high temperature sagging tester A method and apparatus for analyzing sag in drilling fluids or solid bearing fluids wherein a cylindrical high-pressure cell assembly (80) capable of withstanding high pressure and high temperature with a coaxial cylindrical rotor (33) driven to rotate... | 12/07/2010 |
| 7338198 | Stirring device and method for measuring a parameter of a substance to be stirred A stirrer for stirring a substance, the stirrer comprising a stirring device and a powering device, the stirring device being adapted to be submerged in the substance for making a stirring movement, the powering device by a first field contactlessly applying a force... | 03/04/2008 |
| 7312071 | Effective monitoring system for anthrax smallpox, or other pathogens A device and method for detecting anthrax or other pathogens are disclosed. Individual self-contained monitoring devices of a monitoring system can be portable or stationary (e.g. installed in air ducts or plumbing of buildings) and can be part of a network of devic... | 12/25/2007 |
| 7140239 | System and technique for ultrasonic characterization of settling suspensions A system for determining properties of settling suspensions includes a settling container, a mixer, and devices for ultrasonic interrogation transverse to the settling direction. A computer system controls operation of the mixer and the interrogation devices and rec... | 11/28/2006 |
| 6931916 | Viscometer sag test shoe Methods and apparatus for measuring sag properties of a drilling fluid using a rotary viscometer. An insert, or shoe, is placed at the bottom of the heat cup containing the fluid to be tested. A rotating cylinder is disposed within the fluid and solid particles are ... | 08/23/2005 |
| 6929098 | Arrangement for lubricating bearing surfaces of a tool of a hydraulic impact hammer An arrangement for lubricating the bearing surfaces between a tool of a hydraulic impact device and the impact device, the arrangement comprising a supply pump and a channel for supplying lubricant. The arrangement comprises at least two separate channels (19, 20... | 08/16/2005 |
| 6668625 | Measurement of the level of settled particles within a fluid vessel A system and method of measuring a level of settled particles in a fluid-containing vessel includes the steps of fluidizing particles from a position below the settled level of particles, and measuring a static pressure of liquid within the vessel at a po... | 12/30/2003 |
| 6637257 | Micromachined fluid analysis device and method A method and device for performing fluid analysis by separating cells and/or particles from a fluid, such as a biological, vehicular or industrial fluid. The device is a micromachined filtering device comprising a substrate with through-thickness vias hav... | 10/28/2003 |
| 6584833 | Apparatus and method for analyzing well fluid sag An apparatus and method are disclosed for measuring or analyzing dynamic and static sag caused by settling of weighting materials in drilling fluids or other solids bearing fluid. The apparatus comprises a tube and shear shaft assembly that allows for a c... | 07/01/2003 |
| 6543276 | Oil well bore hole filter cake breaker fluid test apparatus and method A method and apparatus for determining the effectiveness and reaction time of a breaker fluid in breaking a filter cake on the wall of a wellbore penetrating a subterranean formation is disclosed. The method comprises employing an apparatus, such as for e... | 04/08/2003 |
| 6508108 | Settling test for magnetorheological fluids A method of testing magnetorheological fluid comprises cycling the fluid at an elevated temperature, allowing the fluid to stand, performance testing the fluid, cycling the fluid at superimposed frequencies, and noting settling characteristics of the flui... | 01/21/2003 |
| 6499337 | Monitoring of particulate matter in water supply An in-line monitoring apparatus for monitoring particulate matter in a liquid stream includes an inlet and outlet for ingress and discharge of a liquid stream. An in-line particulate matter-sampling unit is arranged for accumulation of particulate matter ... | 12/31/2002 |
| 6435012 | Method for determination of chromatographic media parameters in packed beds of hydrophobic polymer particles An improved method for measuring the chromatographic properties, such as excluded volume, of hydrophobic polymer substrates is disclosed. Use of 0.05-1 micron sized crosslinked ionically-charged polymer particles, especially emulsion-form or ground polyme... | 08/20/2002 |
| 6306291 | Automatic silt density index apparatus An apparatus for monitoring particulates in a liquid stream and the rate at which the particulates foul a filtering medium, generally a reverse osmosis membrane, to determine at what point in time the filtering medium should be cleaned or replaced. The ap... | 10/23/2001 |
| 6148666 | Method and device for liquid transfer with an analysis apparatus A liquid transfer device for an analysis unit includes a transfer needle having a tip, and a capacitive liquid level detector for detecting immersion of the tip of the needle into an analysis liquid by detecting a change in capacitance between a signal el... | 11/21/2000 |
| 6105424 | Settling process analysis device and method A system and method for monitoring the dynamics of particle motion in a liquid-solid media including the rate of settling of particles, the identification of unsettled particle clouds, and the identification and control of the bed level of settled particl... | 08/22/2000 |
| 6044703 | Settling process analysis device and method A system and method for monitoring the dynamics of particle motion in a liquid-solid media including the rate of settling of particles, the identification of unsettled particle clouds, and the identification and control of the bed level of settled particl... | 04/04/2000 |
| 6044702 | Settling process analysis device and method The invention provides a system and method for monitoring the dynamics of particle motion in a liquid-solid media including the rate of settling of particles, the identification of unsettled particle clouds, and the identification and control of the bed l... | 04/04/2000 |
| 5939622 | Settling process analysis method A system and method for monitoring the dynamics of particle motion in a liquid-solid media including the rate of settling of particles, the identification of unsettled particle clouds, and the identification and control of the bed level of settled particl... | 08/17/1999 |
| 5789676 | Settling process analysis device and method A system and method for monitoring the dynamics of particle motion in a liquid-solid media including the rate of settling of particles, the identification of unsettled particle clouds, and the identification and control of the bed level of settled particl... | 08/04/1998 |
| 5646337 | Method and device for measuring parameters of plastic ground A method for measuring parameters of plastic ground (2), includes forming a ole (3) in the ground (2) and placing a pipe (7) in this hole (3) to collect groundwater in various places. The pipe (7) is equipped with several closed chambers (8) which are clos... | 07/08/1997 |
| 5635632 | Settling process analysis device and method A system and method for monitoring the dynamics of particle motion in a liquid-solid media including the rate of settling of particles, the identification of unsettled particle clouds, and the identification of unsettled particle clouds, and the identific... | 06/03/1997 |
| 5616831 | Process and apparatus for controlling gravity settling system A testing device is described for use in determining optimum operating conditions for a full size industrial continuous gravity settling unit and for the design of such settling unit. The testing device comprises an elongated, cylindrical settling column ... | 04/01/1997 |
| 5531103 | Method and apparatus for determining velocity dependent corrosion rate In testing for pipeline corrosion, a test loop is provided. The loop has three parallel legs, each having a corrosion test cell. The three parallel legs provide flow at different velocities. Corrosion inhibitor is injected and data is collected from the t... | 07/02/1996 |
| 5506145 | Determination of an individual's inflammation index from whole blood fibrinogen and hematocrit or hemoglobin measurements Useful information about a subject's level of systemic inflammation is obtained by quantitatively measuring the amount of fibrinogen and the hematocrit and or hemoglobin in the subject's whole blood. The fibrinogen measurement, when combined with an hemat... | 04/09/1996 |
| 5460733 | Control system distinguishing filterability of medium filtered A method for controlling a filtration assembly wherein the amount of medium introduced into the filtration assembly is constant, even though the filterability of the medium or the condition of the filters has changed. The working cycle of the filtration a... | 10/24/1995 |
| 5403497 | New method for determining particle size and concentration in a fluid medium A method for monitoring water filter performance and efficiency, by correlating particle size and distribution to turbidity measurement. The method includes the steps of installing and calibrating the filter system, and periodically testing the filter sys... | 04/04/1995 |
| 5365775 | Process for automatic measurement of specific filtration resistance and electrostatic charge of a fibrous dispersion A method is provided to monitor specific filtration resistance, total drainage resistance and drainage flow rate in a continuous on-line manner in the paper making process. It can be combined with the simultaneous measurement of streaming potential or zet... | 11/22/1994 |
| 5316729 | Erythrocyte sedimentation rate measuring apparatus An apparatus for measuring the erythrocyte sedimentation rate comprising a measuring head having at least light barrier, which can be moved along a test cell containing a blood sample. The output signals of light detectors (52, 54, 60) of the light barrie... | 05/31/1994 |
| 5304347 | Liquid transfer device for an analysis unit Liquid transfer device for an analysis unit with a capacitive liquid level detector (10) for detecting the dipping of a liquid transfer needle (5) into an analysis liquid (4). More reliable operation, in particular a better ratio between useful signal and... | 04/19/1994 |
| 5198116 | Method and apparatus for measuring the fouling potential of membrane system feeds The optimum antifoulant concentration and cleaning interval for reverse osmosis membranes is determined by providing samples of a liquid to be purified in a reverse osmosis system, the samples having a range of antifoulant concentrations added. The zeta p... | 03/30/1993 |
| 5140271 | Watercut means and method with debris reducing test cell A petroleum stream microwave watercut monitor of the present invention includes a test cell having a petroleum flowing through it. A source, connected to a first antenna located within the test cell, provides microwave energy to the first antenna so as to... | 08/18/1992 |
| 5139328 | Noncontact hematocrit reader apparatus and method An automatic hematocrit reader wherein a sample of blood in a microhematocrit capillary tube is banded with a standing wave from an ultrasonic transducer. A light source and photocell combination is used to determine the relative thicknesses of the bands ... | 08/18/1992 |
| 5137832 | Quantification of fibrinogen in whole blood samples contained in a tube using a float to separate materials Quantification of blood plasma fibrinogen content is made in a sample of anticoagulated whole blood contained in a sampling tube. The tube is a transparent centrifuge tube which contains a sample constituent layer-elongating float. The blood sample is cen... | 08/11/1992 |
| 5132087 | Apparatus for measuring blood constituent counts Blood constituents are separated by centrifugation in a transparent tube which contains a float for physically elongating certain of the constituents. The centrifuged sample in the tube is positioned on a layer measuring device with which red cell and buf... | 07/21/1992 |
| 5105656 | Method and apparatus for testing polymer drilling mud A test cell utilizing a pressure vessel having a vertically oriented filter having 7 square inches of flow area located therein with the vessel being sufficiently deep to provide a settling chamber below the filter for weighting materials which settle out... | 04/21/1992 |
| 5096835 | Method of discriminating particle aggregation pattern The aggregation pattern of particles is determined by obtaining luminous intensity curves representative of the particle aggregation pattern, obtaining a first threshold face by cutting the curves with a plane positioned at a first given height, obtaining... | 03/17/1992 |
| 5086646 | Apparatus and method for analyzing well fluid sag A method and apparatus for analyzing sag phenomena in well fluids wherein an elongate container containing a sample of a fluid to be tested is mounted at an angle with respect to vertical on a force responsive device which provides a measurable, variable ... | 02/11/1992 |
| 4952054 | Correction of blood count tube readings The method of correcting readings of cell counts in a centrifuged blood sample contained in a transparent tube which also contains a transparent cylindrical float. Light absorption measurements are made at different locations in the tube. A beam of light ... | 08/28/1990 |
| 4939925 | Method of performing measurement of hematocrit value and separate sampling of blood component A method of performing measurement of a hematocrit value and separate sampling of plasma and blood cells, simultaneously. A probe including a pair of detection electrodes each in the form of a suction nozzle, is lowered from a certain initial height into ... | 07/10/1990 |
