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| Number | Title | Issue Date |
| 7997148 | Systems and methods for intercepting submarine groundwater for desalination The systems and methods described herein allow for intercepting submarine groundwater discharge to be used as a supply source for desalination processes. In one practice a dye-dilution seepage meter is employed as a device for locating water sources. These meters ca... | 08/16/2011 |
| 7908931 | Non invasive flow rate measuring system and method A system and method for measuring the flow rate of a liquid in a tube non-invasively has a heating element that generates energy that is applied to the liquid to produce a heat marker that is detected by a temperature sensor located at a known distance from the heat... | 03/22/2011 |
| 7703336 | Multi-sensor mass flow meter along with method for accomplishing same A device for measuring fluid flow rates over a wide range of flow rates. The invention is particularly adapted for use in micro-fluidic systems including fluids administration to a body of a patient. The device operates by producing characteristics variations in the... | 04/27/2010 |
| 7637168 | Seepage meter for measuring submarine groundwater discharge Automated seepage meters that can detect and quantify groundwater outflow and seawater infiltration. In addition to its capabilities in saltwater-influenced systems, the automated seepage meter can detect and quantify groundwater outflow and surface water infiltrati... | 12/29/2009 |
| 7364051 | Remote actuator for ball injector An electrical motor rotatably drives a motor shaft, and a helical rib radially extends from the shaft. The helical rib supports a number of balls, and forms a channel to accommodate the balls. The balls are dropped from the helical rib when the balls reach the botto... | 04/29/2008 |
| 7347260 | Method for determining tracer concentration in oil and gas production fluids A method for determining the extent of recovery of materials injected or otherwise introduced into oil wells or subsurface formations is practiced using a portable device. The portable device can also be used to determiner the occurrence of a predetermined condition... | 03/25/2008 |
| 7318336 | Methods for controlling one or more parameters of a flow cytometer type measurement system Various methods for controlling one or more parameters of a flow cytometer type measurement system are provided. One embodiment includes monitoring parameter(s) of the measurement system during measurements of sample microspheres. The method also includes altering t... | 01/15/2008 |
| 7297280 | Method and apparatus to measure blood flow in hemodialysis shunts The measurement of blood flow in a dialysis shunt is obtained by injection of an indicator material into a venous line leading from dialysis equipment to the shunt. The blood flow in an arterial line leading from the shunt at a location downstream of the venous line... | 11/20/2007 |
| 7278325 | Method and apparatus to measure flow rate A method and apparatus for measuring the flow rate of a single phase fluid, particularly a gas, through a conduit. A pulse of tracer fluid is discharged or injected into a first fluid flowing through a conduit, the concentration of the tracer fluid is measured as a ... | 10/09/2007 |
| 7275447 | Method and apparatus to determine an initial flow rate in a conduit A method and apparatus for determining an initial flow rate in a conduit is disclosed. A known change is made to the flow to be measured, resulting changes (or values corresponding to these changes), or relative changes in the flow to be measured are monitored and t... | 10/02/2007 |
| 7265832 | Optical flow meter for measuring gases and liquids in pipelines An optical system design for measuring the velocity of fluids flowing through pipes or other conduits is disclosed. The optical system is comprised of a means for delivering two beams through a window in the wall of the pipe, focused to two points aligned along an a... | 09/04/2007 |
| 7261002 | Flow rate measurement for industrial sensing applications using unsteady pressures Flow rate measurement system includes two measurement regions 14,16 located an average axial distance ΔX apart along the pipe 12, the first measurement region 14 having two unsteady pressure sensors 18,20, located a distance X1 | 08/28/2007 |
| 7249503 | Tube and die interface for liquid flow sensing through the tube A thermal sensor includes a die having a surface formed to accept the outer surface of tubing; a molded plastic part located on the die surface, said molded plastic part including flexible portions having a surface adapted to engage the bottom half of the circumfere... | 07/31/2007 |
| 7246530 | Flow sensor and method for measuring a flow rate component of a fluid containing electrically charged elements The invention relates to measurement of a fluid flow, wherein a flow rate component of the fluid is measured along a selected direction. A magnetic field whose polarity varies over time is applied to the fluid, which presumed to contain electrically charged elements... | 07/24/2007 |
| 7241131 | Thick film heater apparatus A thick-film electric heater having thick-film layers applied directly on a thermally conductive non-flat substrate. Preferably, the substrate is cylindrically shaped. A dielectric layer is silk-screened on the substrate surface. A resistive layer is silk-screened o... | 07/10/2007 |
| 7234830 | Optical switch An optical switch having a housing, a light source and a light detector. The light source and light detector are located remote from the housing. The light source is connected to the housing with a first light guide, and the light detector is connected to the housin... | 06/26/2007 |
| 7223602 | Continuous tracer generation method The invention provides a method of online and on-site tracer generation for tagging natural gas stored in underground storage fields wherein feedstock is drawn from a feedstock source. The feedstock undergoes initial analysis to determine hydrocarbon levels. The fee... | 05/29/2007 |
| 7222549 | Systems and methods for determining the location of a pig in a pipeline The location of a pig in a conduit, e.g., an underwater pipeline, may be determined by measuring an amount of a fluid displaced by the pig from the conduit and calculating the location of the pig in the conduit based on that amount of fluid. In particular, the amoun... | 05/29/2007 |
| 7213967 | Method and system for conservative evaluation, validation and monitoring of thermal processing A method of generating a temperature measurement for a batch or a continuous stream of material. The method includes providing a particle having a signal that changes at a pre-determined temperature; inserting the particle into the batch or continuous stream; and de... | 05/08/2007 |
| 7210359 | Method and apparatus to determine an initial flow rate in a conduit A method and apparatus for determining an initial flow rate in a conduit is disclosed. A known change is made to the flow to be measured, resulting changes (or values corresponding to these changes), or relative changes in the flow to be measured are monitored and t... | 05/01/2007 |
| 7208845 | Vibration based power generator A vibration based power generator. In a described embodiment, an electrical power generating system includes a vibrating assembly including a vortex shedding device which sheds vortices in response to fluid flow across the vibrating assembly. A generator generates e... | 04/24/2007 |
| 7206376 | Fluid density measurement A wellbore tool for measuring the density of a fluid flowing in a wellbore by a photon attenuation technique includes a tube defining a flow path for the fluid, a photon source at one end of the tube, and a photon detector arranged to receive photons which have pass... | 04/17/2007 |
| 7183117 | Apparatus for measuring characteristics of chemical solution, chemical solution supply apparatus, and method for measuring concentration of chemical solution A supply apparatus for preparing a mixed chemical solution of a predetermined mixing ratio at a low cost and for supplying the mixed chemical solution stably. The supply apparatus includes a measuring apparatus located on an intermediate portion of a flow channel th... | 02/27/2007 |
| 7183772 | Ion detector A charge detector includes an outer housing having an entrance aperture. Within the housing is disposed a charge capture element that is electrically isolated from the outer housing. The charge capture element includes a plurality of apertures, such as provided by a... | 02/27/2007 |
| 7156552 | Temperature sensor system for mobile platforms A temperature sensor system includes a body and window arrangement. The body defines an air intake and is flush mounted to a mobile platform having a boundary layer. The window arrangement is integrated into the body and transfers a first signal and receives a secon... | 01/02/2007 |
| 7140261 | Acoustic wave flow sensor An acoustic wave flow sensor is disclosed, which includes a sensor substrate and an acoustic wave diaphragm etched upon the sensor substrate, wherein mechanical stress or strain is concentrated in the acoustic wave diaphragm. One or more interdigital transducers can... | 11/28/2006 |
| 7121150 | Method and apparatus to determine an initial flow rate in a conduit A method and apparatus for determining an initial flow rate in a conduit is disclosed. A known change is made to the flow to be measured, resulting changes (or values corresponding to these changes), or relative changes in the flow to be measured are monitored and t... | 10/17/2006 |
| 7119308 | Forced-air heater control system and method The present invention relates to a forced-air electric heater control system for HVAC systems. One embodiment utilizes two heat sensors which are positioned upstream and downstream, equidistant from the heating element(s). The control system, in this embodiment, tak... | 10/10/2006 |
| 7071449 | Molding system with integrated film heaters and sensors Film heater apparatus and method for heating a melt channel in a molding device includes structure and/or steps whereby a first dielectric layer is disposed on a surface of a substrate. An active heating element is disposed on the first dielectric layer, the active ... | 07/04/2006 |
| 7040144 | Microfluidic viscometer Microfluidic devices, systems, and methods measure viscosity, flow times, and/or pressures, other flow characteristics within the channels, and the measured flow characteristics can be used to generate a desired flow. Multi-reservoir pressure modulator and pressure ... | 05/09/2006 |
| 7040142 | Method and apparatus for leak detection in blood circuits combining external fluid detection and air infiltration detection One of the most significant safety concerns in the automation of extracorporeal blood treatments such as dialysis is the risk of blood leakage. Extracorporeal blood treatment systems draw blood at such a high rate that a loss of integrity in the blood circuit can be... | 05/09/2006 |
| 7029260 | Molding apparatus having a film heater Film heater apparatus and method for heating a melt channel in a molding device includes structure and/or steps whereby a first dielectric layer is disposed on a surface of a substrate. An active heating element is disposed on the first dielectric layer, the active ... | 04/18/2006 |
| 7018336 | Implantable sensor flush sleeve A apparatus and method for cleaning a sensor tip of an implantable sensor includes a flush sleeve directed towards the sensor tip, a fluid conduit in fluid communication with the flush sleeve, where fluid injected into a first end of a flush sleeve surrounding the s... | 03/28/2006 |
| 7016790 | In-line hot-wire sensor for slurry monitoring An in-line hot-wire sensor for monitoring the mixing and the flow rate of slurry is disclosed. The hot-wire sensor may include a number of resistors organized into a Wheatstone bridge, as well as a frequency-domain transform mechanism. The resistors include a hot-wi... | 03/21/2006 |
| 7013739 | System and method for confining an object to a region of fluid flow having a stagnation point A device for confining an object to a region proximate to a fluid flow stagnation point includes one or more inlets for carrying the fluid into the region, one or more outlets for carrying the fluid out of the region, and a controller, in fluidic communication with ... | 03/21/2006 |
| 7012223 | Forced-air heater control system and method The present invention relates to a forced-air electric heater control system for HVAC systems. One embodiment utilizes two heat sensors which are positioned upstream and downstream, equidistant from the heating element(s). The control system, in this embodiment, tak... | 03/14/2006 |
| 7004620 | Method and system for conservative evaluation, validation and monitoring of thermal processing A method of generating a temperature measurement for a batch or a continuous stream of material. The method includes providing a particle having a signal that changes at a pre-determined temperature; inserting the particle into the batch or continuous stream; and de... | 02/28/2006 |
| 6969287 | Electronic shut off systems Rapid shaft stop devices and transmissions are described that utilize permanent magnets for coupling and/or braking and are useful for electronic propeller guards and other equipment. In an embodiment, one or more capacitive discharge pulses are used to rapidly stop... | 11/29/2005 |
| 6943690 | Flow verification mechanism A flow verification sensor apparatus (30) is used with a constant volume pump (11) that pumps a liquid product (13) from a container (12). A plummet (32) is positioned in a flow tube (31). A sensor (33) is positioned ... | 09/13/2005 |
| 6938495 | Method of measuring fluid flow In the method for measuring the velocity of fluid or visualizing the distribution of fluid by feeding tracer particles to the fluid, irradiating the fluid with light and observing return light from the tracer particles, tracer particles containing a flourescent subs... | 09/06/2005 |
