Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7895903 | Method and apparatus for measuring a parameter of a fluid flowing within a pipe A method and apparatus for determining at least one characteristic of a fluid flowing within a pipe is provided and includes at least one sensing device. The at least one sensing device includes a first sensor segment having a first segment polarity and being associ... | 03/01/2011 |
| 7673524 | Method and apparatus for measuring a parameter of a fluid flowing within a pipe having a sensing device with multiple sensor segments A method and apparatus for determining at least one characteristic of a fluid flowing within a pipe is provided and includes at least one sensing device. The at least one sensing device includes a first sensor segment having a first segment polarity and being associ... | 03/09/2010 |
| 7403862 | Method for operating a process-measuring device The process measuring device comprises 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... | 07/22/2008 |
| 7369949 | Electromagnetic flowmeter An electromagnetic flowmeter includes a measuring tube, an electrode, an exciting unit, a signal conversion unit, and a flow rate calculating unit. The signal conversion unit extracts a ∂A/∂t component irrelevant to a flow velocity of the fluid and a v×B compon... | 05/06/2008 |
| 7353119 | Reduced noise sensitivity in magnetic flowmeter A magnetic flowmeter for measuring flow of a process fluid includes a coil configured to apply a magnetic field to the process fluid. Electrodes are arranged to sense a fluid voltage signal related to the applied magnetic field and fluid flow. An analog to digital c... | 04/01/2008 |
| 7340963 | Method for magneto-inductive determination of the flow rate of a medium The invention relates to a magneto-inductive method for determining the flow rate of a medium flowing through a measuring tube in the direction of the measuring tube axis. In order to be able to detect a coating formation on a measuring electrode early and with a hi... | 03/11/2008 |
| 7321846 | Two-wire process control loop diagnostics A diagnostic device for coupling to a process control loop includes digital communication circuitry configured to receive a digital communication signal from the process control loop. The digital communication signal is a digitally modulated analog signal on the pro... | 01/22/2008 |
| 7302844 | Measurement element for determining a flow rate The flow rate of a fluid flowing around a measuring element is measured using a guide for guiding an electromagnetic wave along the longitudinal extension thereof and at least one electric heating element that is placed adjacent to the guide. The guide can be heated... | 12/04/2007 |
| 7290450 | Process diagnostics A diagnostic device for use in a industrial process includes monitoring electronics or diagnostic circuitry configured to diagnose or identify a condition or other occurrence in the industrial process. The system can be implemented in a process device such as a flow... | 11/06/2007 |
| 7280926 | Reduced noise sensitivity in magnetic flowmeter A magnetic flowmeter for measuring flow of a process fluid includes a coil configured to apply a magnetic field to the process fluid. Electrodes are arranged to sense a fluid voltage signal related to the applied magnetic field and fluid flow. An analog to digital c... | 10/09/2007 |
| 7275007 | Method for zero correction of a measuring device Method for zero correction of a measuring device, in particular a flowmeter, wherein a number of zero settings are carried out with the device and/or process in different states. In the case of each of these zero settings, a set of device and/or system parameters is... | 09/25/2007 |
| 7272978 | Magnetic-inductive flow meter with an electrically isolated measuring tube A magnetic-inductive flow meter with a measuring tube, which can be fitted into a pipeline system by using flange portions at the ends, with at least two measuring electrodes that are fitted into the wall of the measuring tube opposite each other in an electrically ... | 09/25/2007 |
| 7267012 | Electromagnetic flowmeter including electrodes and magnetic pole placed in proximity on one side of the outer wall An electromagnetic flowmeter designed to use a smaller excitation device and applicable to measurement on tubular channels of various sectional shapes. The electromagnetic flowmeter includes an excitation device for forming a magnetic field perpendicular to an outer... | 09/11/2007 |
| 7265544 | Method and device for detecting physical-chemical states on measuring electrodes of a flowmeter A method and device for obtaining an interference free measurement from a flowmeter. The flowmeter includes a measuring tube through which a flowable medium flows through a magnetic field generated by a magnetic arrangement and at least two measuring electrodes for ... | 09/04/2007 |
| 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 |
| 7250775 | Microfluidic devices and methods based on measurements of electrical admittance Microfluidic devices and methods that use electrical admittance as the basis for measuring flow rate of fluids and/or for distinguishing (e.g., characterizing, sorting, separation, etc.) different particles, chemical compositions or biospecies (e.g., different cells... | 07/31/2007 |
| 7194918 | Magnetoinductive flowmeter and method for operating a magnetoinductive flowmeter A magnetoinductive flowmeter and a method for operating same utilizing a measuring tube through which flows an electrically conductive medium, as well as two measuring electrodes and a magnet with two field coils positioned parallel to each other on mutually opposit... | 03/27/2007 |
| 7174256 | Magnetoinductive flowmeter and measuring method for a magnetoinductive flowmeter The magnetoinductive flowmeter measures the flow volume of a medium traveling through a measuring tube, with a magnet that serves to generate a magnetic field permeating the measuring tube that has a magnetic-field component that extends perpendicular to the directi... | 02/06/2007 |
| 7136421 | Circuit for compensating a degraded signal and associated method A signal compensation circuit and associated method dynamically compensate for signal baseline wandering in a transmission line. The compensation circuit has a detection circuit and a correction circuit. The detection circuit first compares a transmission signal wit... | 11/14/2006 |
| 7124057 | Method and apparatus for diagnosing a cyclic system A method and apparatus for determining the service life of a cyclic system the method including the steps of determining at least one characteristic of the system to determine a characteristic value and determining a cycle time of the system. The at least characteri... | 10/17/2006 |
| 7110899 | Phase measurement in measuring device Methods and apparatus for determining the phase of a signal in a measurement device having a digital signal processor are described. The signal is digitised and the digitised signal, or a signal derived therefrom, is numerically correlated with a numerically generat... | 09/19/2006 |
| 7093500 | Tunable empty pipe function An electromagnetic flowmeter for measuring a flow rate of a fluid in a pipe is described. A pipe carries a fluid. A magnetic coil is disposed adjacent to the pipe for inducing a magnetic flux in the fluid. A plurality of electrodes are disposed within the pipe, and ... | 08/22/2006 |
| 7085610 | Root cause diagnostics An industrial process diagnostic apparatus is provided which can identify a source, or “root cause”, of an aberration in an industrial process. A plurality of process configuration models are provided which each represent a physical (or actual) implementation of... | 08/01/2006 |
| 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 |
| 7073393 | Magnetic flowmeter with built-in simulator A magnetic flowmeter transmitter includes a differential amplifier that senses an additive combination of actual flowmeter electrode outputs and simulated electrode outputs. The differential amplifier provides an additive amplifier output. A simulator provides the s... | 07/11/2006 |
| 7070324 | Method and device for system and/or process monitoring The invention relates to a method and to a device for system- and/or process-monitoring in connection with a measurement apparatus that determines/monitors at least one process parameter of a medium. The method and device enable statements to be made regarding the p... | 07/04/2006 |
| 7064900 | Optical pickup device and optical disk device and optical device and composite optical element An optical pickup device is provided which includes a first diffraction grating (45) that splits a light beam emitted from a light-emitting/-detecting element (31) into a zero-order light beam and positive and negative first-order light beams, a second... | 06/20/2006 |
| 7046180 | Analog-to-digital converter with range error detection A circuit includes a multiplexer, an analog-to-digital converter, and a processor that compares a sequence of digital outputs from the analog-to-digital converter to a sequence of normal ranges that correspond with the digital outputs in order to provide an error ou... | 05/16/2006 |
| 7042257 | Frequency divider with reduced jitter and transmitter based thereon An apparatus for generating an output signal whose frequency is lower than the frequency of an input signal is disclosed. The apparatus includes a chain of frequency dividing cells where each cell has a definable division ratio. Furthermore, the frequency dividing c... | 05/09/2006 |
| 7018800 | Process device with quiescent current diagnostics A process device for use on an industrial process control system includes a quiescent current sensor configured to sense quiescent current draw of the process device. Diagnostic circuitry determines a diagnostic condition of the process device as a function of the s... | 03/28/2006 |
| 7010459 | Process device diagnostics using process variable sensor signal A diagnostic device for use in a process control system receives a sensor signal related to a process variable of a process sensed by a process variable sensor. A signal preprocessor provides a sensor power signal output as a function of a frequency distribution of ... | 03/07/2006 |
| 6973840 | Comprehensive electromagnetic flowmeter An electromagnetic flowmeter works with insulating liquids, and includes circuitry for handle drifting zero-point offset and triboelectric noise occurring in turbulently flowing dielectrics. Two signal processing schemes are presented—using high frequency inductio... | 12/13/2005 |
| 6973839 | Electromagnetic flow meter having processing means resolving output data into a non-flow waveform component A method of obtaining a measure of flow from an electromagnetic flow meter is disclosed. A shaped excitation waveform is applied to the flow meter and an output is received from the meter. The sampled output data from the meter is then resolved into a non-flow wavef... | 12/13/2005 |
| 6971271 | Fluid flow measuring device and method of manufacturing thereof In a borehole logging tool, the flow of conductive fluid into or out of a wellbore at the wellbore wall is detected and measured with a sensor loop proximate the borehole inner wall. The sensor loop includes a series of contiguous sensors that act as electromagnetic... | 12/06/2005 |
| 6970003 | Electronics board life prediction of microprocessor-based transmitters A field device includes circuitry to successively measure a parameter related to current drawn by electronics of the field device. The measurements are provided to a prediction engine which calculates a diagnostic output based upon the plurality of current-related m... | 11/29/2005 |
| 6962087 | Electromagnetic flow meter There is described herein a method of obtaining a measure of flow from an electromagnetic flow meter having at least one field generating coil and potential sensing electrodes. A composite excitation waveform is applied to the field-generating coil. The composite ex... | 11/08/2005 |
| 6946511 | Plasma resistant elastomer parts Elastomeric parts having a magnetic flux density of at least 10 gauss on their surface deflect a portion of reactive plasmas from contact with the surface of the parts. Thus, such parts may be exposed to reactive plasmas for longer periods, with less degradation, th... | 09/20/2005 |
| 6937943 | Device and method for system and process supervision in a magneto-inductive sensor The invention relates to a method and to a device for system and process supervision in a magneto-inductive sensor. A medium flows through a measuring tube substantially in the direction of the axis of the measuring tube. A magnetic field extends through the measuri... | 08/30/2005 |
| 6920799 | Magnetic flow meter with reference electrode An magnetic flow meter is provided which includes a reference electrode configured to electrically couple process fluid flowing within a flowtube of the flow meter. The reference electrode is adapted to measure potential of the process fluid. A current limiter is co... | 07/26/2005 |
| 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 |
