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| Number | Title | Issue Date |
| 8116991 | Device for measuring the flow rate of ringer solution A device for measuring a flow rate of Ringer's solution includes a key input unit including a number input key through which a user can make an input each time when a drip drips in a drip chamber; a power supply unit for supplying power; an oscillation circuit for o... | 02/14/2012 |
| 8065096 | Method and apparatus for detecting occlusions in an ambulatory infusion pump An improved pump, reservoir and reservoir piston are provided for controlled delivery of fluids. A motor is operably coupled to a drive member, such as a drive screw, which is adapted to advance a plunger slide in response to operation of the motor. The plunger slid... | 11/22/2011 |
| 7970558 | Fluid flow monitor and control system A method for monitoring a signal from a cycle switch mounted to a lubrication divider block system. The method comprises receiving a signal from a remotely located cycle switch that is mounted to a divider block, wherein the cycle switch is responsive to the motion ... | 06/28/2011 |
| RE40310 | Water purification system and method including dispensed volume sensing and control A water purification system for purifying water flowing through a water flow path. The system includes a water purification device having an inlet and an outlet in the water flow path and at least one interior volume communicating with the inlet and outlet. A purifi... | 05/13/2008 |
| 7349813 | Fault tolerant power system architecture for fluid flow measurement systems To provide a fault-tolerant architecture to supply electrical operating power in fluid flow measurement applications, apparatus and associated systems, computer program products, and methods include an intelligent power module with redundant and electrically indepen... | 03/25/2008 |
| 7333899 | Fluid flow rate sensor and method of operation A thermo-anemometer-type fluid flow rate sensor design and a method for its operation that overcome the response time limitations of prior known fluid flow rate sensors is disclosed. The fluid flow rate sensor includes a probe having a detection module adapted to ch... | 02/19/2008 |
| 7254518 | Pressure transmitter with diagnostics In one embodiment, a pressure transmitter is provided which diagnoses the condition of a primary element and/or an impulse line which connects to a pressure sensor. A difference circuit coupled to the pressure sensor has a difference output which represents the sens... | 08/07/2007 |
| 7248974 | Measuring instrument and method of measuring flows A measuring instrument whose measuring principle is based on an oscillator, for example an eddy counter, and in which there is arranged a sensor for recording a measured signal (S(t)), which can be supplied to an evaluation unit (2), characterized in that, fr... | 07/24/2007 |
| 7231805 | Bubble detection with temperature compensation Bubble detection apparatus and method for a liquid dispensing system includes temperature compensation for increasing accuracy of the bubble detection as temperature of the liquid varies. In one embodiment, temperature changes cause corresponding changes in the liqu... | 06/19/2007 |
| 7217666 | Reactive ion milling/RIE assisted CMP A method for forming a high aspect ratio magnetic structure in a magnetic write head using a combination of chemical mechanical polishing and reactive ion etching. ... | 05/15/2007 |
| 7212953 | Portable diagnostic analysis of gas meter and electronic corrector Systems and associated apparatus, methods, and computer program products, relate to a small, portable diagnostic instrument for checking the correct operation of a gas metering system that include a gas meter, an electronic corrector, and a junction there between. S... | 05/01/2007 |
| 7177725 | System for the monitor and control of rest rooms The present invention is directed to a rest room control system including one or more sensors configured to monitor or control a function associated with the rest room. The system also includes a controller operably coupled to the one or more sensors, and configured... | 02/13/2007 |
| 7155319 | Closed loop control on liquid delivery system ECP slim cell A method for controlling liquid delivery in a processing chamber. The method includes generating an analog input (AI) signal proportional to a process variable and calculating an analog output (AO) signal based on a setpoint and a deadband. The setpoint is a target ... | 12/26/2006 |
| 7143645 | Meter housing assembly and method of assembly A water meter housing assembly (10) comprises a cylindrical, plastic housing body (11), a non-cast housing bottom (13) of hydroformable or stamped brass, a single-piece strainer and sealing member (40) that is disposed in the housing bott... | 12/05/2006 |
| 7079958 | Method for operating a process-measuring device The process measuring device includes a flow sensor having a measuring tube, a sensor arrangement for producing a measurement signal, and an evaluation and operating circuit. The method serves to compensate for the effects of interfering potentials which are caused ... | 07/18/2006 |
| 7069166 | Electronic systems An electronic measuring system is described. It comprises a switch having a plurality of selectable inputs, the switch being controlled by a controller to select which of the plurality of inputs is fed to an output of the switch. The measuring system optionally incl... | 06/27/2006 |
| 6992278 | Homing process The present invention relates to a method for determining a home position by means of a home position mark on a special microfluidic device type used in a microfluidic system. The method for determining a home position by means of a home position mark on a microflui... | 01/31/2006 |
| 6960017 | Non-invasive energy meter for fixed and variable flow systems An energy metering method and apparatus for liquid flow systems comprising first and second segments of one or more conduits through which a liquid flows, comprising: attaching a first temperature sensor for connection to an outside of the first conduit segment; att... | 11/01/2005 |
| 6928868 | Water well monitoring system An apparatus and method for monitoring a liquid level in a 4-20 mA closed loop system are provided. A process instrument and a measuring unit are powered for a predetermined time and power is provided by a battery. ... | 08/16/2005 |
| 6914555 | Method of detecting a fluid surface A sensor for detecting contact of a fluid delivery probe with a fluid surface and for detecting fluid flow through the probe includes a first electrode disposed along a fluid flow path of the probe upstream from a distal tip of the probe and a second electrode longi... | 07/05/2005 |
| 6909554 | Wafer integration of micro-optics The present invention provides an optical system that includes an array of opto-electronic devices, an array of micro lenses, and a fore optic. The array of opto-electronic devices lie substantially along a plane, but the fore optic has a non-planar focal field. To ... | 06/21/2005 |
| 6907383 | Flow diagnostic system A flow diagnostic system for a flow sensing element and impulse lines. A pressure transmitter coupled to the impulse lines provides digital pressure data to a control system. The control system provides the pressure data and real time clock readings to a diagnostic ... | 06/14/2005 |
| 6895342 | Method and apparatus for non-destructive target cleanliness characterization by types of flaws sorted by size and location A preferred, non-destructive method for characterizing sputter target cleanliness includes the steps of sequentially irradiating the test sample with sonic energy predominantly of target sputter track areas; detecting echoes induced by the sonic energy; and discrimi... | 05/17/2005 |
| 6853928 | Two-wire electromagnetic flowmeter In a two-wire electromagnetic flowmeter, an exciting coil generates a magnetic field in a direction perpendicular to the flowing direction of a fluid that flows through a measurement tube. A flow measuring output circuit adjusts an output current that flows to a pai... | 02/08/2005 |
| 6795780 | Fluid energy pulse test system—transient, ramp, steady state tests In improvements to the Fluid Energy Pulse Test System, apparatus and methods regulate high-pressure, high-fluid-flow-rate energy pulses to generate temperature-controlled transient, ramp, constant-steady-state, and periodic-steady-state fluid-pressure and fluid-flow... | 09/21/2004 |
| 6792361 | Controller for monitoring fluid flow volume A system, method and program for calculating a fluid flow volume within a conduit having an operably connected flow meter is disclosed. The system includes a controller having a backplane. A flow meter module is operably connected to the backplane of the controller ... | 09/14/2004 |
| 6671583 | Vacuum system information network A vacuum network control system includes a vacuum network controller hub communicating over a public high-speed network, where the hub has an address registered with respect to the non-local network and communicates over a first local high-speed network. ... | 12/30/2003 |
| 6591201 | Fluid energy pulse test system The Fluid Energy Pulse Test System [FEPTS] comprises apparatus and methods, using high-pressure, high-fluid-flow-rate or low-pressure-low-fluid-flow-rate energy pulses in tests to collect data for the evaluation of transient, ramp, steady state, or near s... | 07/08/2003 |
| 6542833 | Method of checking the performance of a flow cytometer instrument and apparatus for executing said method as well as a standard kit therefore A method for correcting the settings of a flow cytometer, designed for fast sample handling and counting, allowing about 500 samples per hour to be counted. The counting is based on the provision of data representing a PHA diagram (Pulse Height Analysis) ... | 04/01/2003 |
| 6539316 | Phase detector A method for detecting a phase difference between first and second input signals is provided. The method includes modulating a duty cycle of first and second intermediate signals from a first duty cycle based on the phase difference between the first and ... | 03/25/2003 |
| 6480792 | Fatigue monitoring systems and methods incorporating neural networks A fatigue monitoring system and method is disclosed in which a stream of data relating to the stresses experienced at a plurality of locations over the structure during operation is applied to a neural network trained to remove data stream values deemed t... | 11/12/2002 |
| 6456959 | Time interval analyzer having parallel counters A time interval analyzer includes a trigger circuit that receives an input signal and that outputs a trigger signal at a triggering level upon occurrence of a first event. A first counter receives the input signal and, when it is activated, increments a c... | 09/24/2002 |
| 6119110 | Measuring device, particularly for fuel pumps Measuring device, particularly for fuel pumps in service stations, comprising a pulser equipped with a microprocessor unit and an electronic head equipped with a microprocessor unit, in which device the pulser and the electronic head are connected and mut... | 09/12/2000 |
| 6089102 | Apparatus for measuring the volume of flowing media and a corresponding method An apparatus and a method of measuring the volume of flowing media, especially of fuel, by means of a screw spindle volumeter, the method comprising the following steps: detecting the revolutions of a screw spindle by means of a sensor and producing pulse... | 07/18/2000 |
| 5835884 | Method of determining a characteristic of a fluid A method of determining a characteristic of a fluid involves measuring a sonic transit time (102), along a non-perpendicular path, through the fluid. The sonic transit time is used to determine a speed of sound in the fluid (104). A measured flow rate (10... | 11/10/1998 |
| 5481924 | Method and apparatus for assessing and quantifying pulsation induced error in gas turbine flow meters A method and apparatus for identifying, quantifying and correcting turbine meter errors related to pulsation effects in a gas stream being measured. A turbine meter pulse rate output signal is monitored and abnormal pulse rate modulations in the signal ar... | 01/09/1996 |
| 5369598 | Flow amount measuring and controlling apparatus A flow amount measuring and controlling apparatus which has a built-in gas meter can compute and control the flow amount used for each gas appliance by the estimation of the gas appliance generated in the flow variation from the change of the monetary flo... | 11/29/1994 |
| 5251149 | Electronic nutating disc flow meter The electronic nutating disc flow meter is suitable for measuring different liquids with varying viscosities. This meter is best suited for measuring medium viscosity fluids of 10 to 450 centipoise. This flow meter includes a microprocessor to correct for... | 10/05/1993 |
| 5058032 | Apparatus and method for monitoring a water treatment system A monitoring apparatus for carrying out the method is connectable by a telephone line to a central computer system. The apparatus includes first and second input ports for receiving first and second signals, respectively. The first signal represents a vol... | 10/15/1991 |
| 5056034 | Method and apparatus for controlling the gas content of foam materials A foam material dispensing system is provided with a control which measures the amount of high viscosity liquid material delivered to a mixer, determines the amount of pressurized gas required to be injected into the mixer in order to produce a foamable m... | 10/08/1991 |
