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Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7984642 | System and method for ultrasonic measuring of particle properties Devices, systems and methods for measuring and detecting properties of a variety of particles or cells in suspension. Properties, such as, for example, velocity of particles, concentration and/or size may be measured according to the methods of the invention. Acoust... | 07/26/2011 |
| 7958772 | Density and viscosity sensor A density and viscosity sensor 1 for measuring density and viscosity of fluid F, the sensor 1 comprising a resonating element 3, 3A, 3B, 3C, 3D arranged to be immersed in the fluid F, an actuating/detecting element 4A... | 06/14/2011 |
| 7634939 | Viscometer The viscometer comprises a vibratory transducer with at least one flow tube for conducting a fluid to be measured and for producing friction forces acting in the fluid. To vibrate the at least one flow tube, an excitation assembly is provided, which in operation is ... | 12/22/2009 |
| 7543480 | System and method for ultrasonic measuring of particle properties Devices, systems and methods for measuring and detecting properties of a variety of particles or cells in suspension. Properties, such as, for example, velocity of particles, concentration and/or size may be measured according to the methods of the invention. Acoust... | 06/09/2009 |
| 7472584 | Device to measure the solidification properties of a liquid film and method therefor The present invention is directed to an apparatus and a method for monitoring the viscoelastic properties, of a liquid film (e.g. coating). The apparatus includes a substrate for supporting a liquid film and a T-bar probe that is partially submerged in the liquid fi... | 01/06/2009 |
| 7383731 | Deep-fry oil quality sensor A cooking oil quality sensing apparatus and system includes an acoustic wave sensor composed of one or more acoustic wave transducers configured upon a piezoelectric substrate such that when the acoustic wave sensor is in contact with cooking oil, the sensor generat... | 06/10/2008 |
| 7357016 | Process and device for determining viscosity A process and a device for determining the viscosity of a fluid are proposed. Very simple and accurate determination is enabled in that the magnetic particles in the fluid are set into vibration by a magnetic field which varies over time. A measurement of the amplit... | 04/15/2008 |
| 7353695 | Methods and apparatus for determining properties of a fluid A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteris... | 04/08/2008 |
| 7353694 | Rheometer A rheometer and method of making rheological measurements are disclosed, in which a sample is supported between plates and an alternating movement is applied by a driver, support rod and plate. Force and displacement measurements are taken and the property determine... | 04/08/2008 |
| 7334452 | Method for characterizing materials by using a mechanical resonator Methods for monitoring a fluid composition include placing a mechanical resonator in the fluid composition and oscillating the resonator. The resonator can be a tuning fork resonator having tines oscillated in opposite directions and in opposite phases. A variable f... | 02/26/2008 |
| 7331232 | Measurement method and biosensor apparatus using resonator A measurement method and a biosensor apparatus using a resonator with which it is not necessary to agitate a sample solution in a cell and even if the amount of the sample solution is very small the influence of pressure waves is greatly reduced and extremely easy a... | 02/19/2008 |
| 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 |
| 7287431 | Wireless oil filter sensor A wireless oil filter sensing system includes an oil filter and a sensing mechanism that is connectable to the oil filter. The sensing mechanism includes one or more acoustic wave sensing elements and at least one antenna that communicate with the acoustic wave sens... | 10/30/2007 |
| 7284449 | In-line measuring device An inline measuring device includes a vibration-type measurement pickup having at least one measuring tube, which has a medium to be measured flowing through it during operation. The measuring tube is made by means of an exciter arrangement to execute, at least at t... | 10/23/2007 |
| 7263874 | Methods and apparatus for determining properties of a fluid A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteris... | 09/04/2007 |
| 7219536 | System and method to determine oil quality utilizing a single multi-function surface acoustic wave sensor A method and system for detecting oil quality. The quality of engine oil can be determined utilizing an acoustic wave sensor to obtain viscosity and corrosivity data associated with the engine oil. The acoustic wave sensor is coated with a material that selectively ... | 05/22/2007 |
| 7219537 | Control of equivalent shear rate in acoustic wave sensors An apparatus and a method for controlling the shear rate at which an acoustic wave device measures viscosity, by utilizing an automatic level control or an automatic gain control circuit to control power input to the sensor as a function of the sensor's output power... | 05/22/2007 |
| 7201041 | Analysis method using piezoelectric resonator A piezoelectric resonator is immersed in a liquid, an AC signal is applied, and a local maximum of the conductance is determined. A frequency change due to the viscosity effect is determined from two frequencies of three frequencies including a resonance frequency t... | 04/10/2007 |
| 7194902 | Apparatus and method for formation evaluation A viscometer-densimeter for a down hole tool positionable in a well bore penetrating a subterranean formation is described. The formation contains at least one fluid therein. The down hole tool is adapted to convey at least a portion of the fluid to the viscometer-d... | 03/27/2007 |
| 7175812 | Automatic sampler and needle for the same The surface of a needle for collecting samples is coated with a coating material lower in chemical activity than a base metal of the needle. More specifically, the surface of the needle may be coated with a layer of gold or platinum. Alternatively, the surface of th... | 02/13/2007 |
| 7168298 | Mass-sensitive chemical preconcentrator A microfabricated mass-sensitive chemical preconcentrator actively measures the mass of a sample on an acoustic microbalance during the collection process. The microbalance comprises a chemically sensitive interface for collecting the sample thereon and an acoustic-... | 01/30/2007 |
| 7162915 | Viscometer The viscometer provides a viscosity value (Xη) which represents the viscosity of a fluid flowing in a pipe connected thereto. It comprises a vibratory transducer with at least one flow tube for conducting the fluid, which communicates with the pipe. Driv... | 01/16/2007 |
| 7161096 | Mass measurement system and method using inertial force and standard mass in gravity-free environment The mass measurement system includes a linear acceleration motion unit that is a linear motion driving source, a first load cell fastened to the linear acceleration motion unit to measure an inertial force of a sample caused by linearly accelerated motion of the 10 ... | 01/09/2007 |
| 7111500 | Analysis method using piezoelectric resonator A piezoelectric resonator is immersed in a liquid, an AC signal is applied, and a local maximum of the conductance is determined. A frequency change due to the viscosity effect is determined from two frequencies of three frequencies including a resonance frequency t... | 09/26/2006 |
| 7072775 | Viscosity-corrected flowmeter A digital flowmeter can include a vibratable conduit with a mixture of a liquid and a gas flowing therethrough. A driver can be connected to the conduit and can be operable to impart motion to the conduit where a sensor can also be connected and can be operable to s... | 07/04/2006 |
| 7040181 | Coriolis mass measuring device A Coriolis mass flow measuring device includes a vibratory measuring transducer having at least one measuring tube, which has medium flowing through it during operation. In operation, the measuring tube is caused by an exciter arrangement to undergo mechanical oscil... | 05/09/2006 |
| 7036355 | Viscometer The viscometer provides a viscosity value (Xη) which represents the viscosity of a fluid flowing in a pipe connected thereto. It comprises a vibratory transducer with at least one flow tube for conducting the fluid, which communicates with the pipe. Driv... | 05/02/2006 |
| 7010963 | Liquid detecting apparatus Piezoelectric plates conduct bending vibrations and are axially symmetrical about the vibration shaft so the piezoelectric plates conduct a bending vibration, lower vibrating ends of the piezoelectric plates are rigidly connected to a vibration suppressing member an... | 03/14/2006 |
| 7007546 | Measurement, compensation and control of equivalent shear rate in acoustic wave sensors A method for measuring viscosity and shear rate at which the measurement is performed is provided, by utilizing an acoustic wave sensor, and calculating the shear rate as a function of the characteristic rate of quartz movement in response to a given power transmitt... | 03/07/2006 |
| 7005946 | MEMS piezoelectric longitudinal mode resonator A longitudinal mode resonator that includes a substrate and a bar that is suspended relative to the substrate. The bar is suspended such that it is free to expand and contract longitudinally in response to the application of an electric field across its thickness. T... | 02/28/2006 |
| 6972553 | Sensor readout circuit A sensor readout circuit which provides a frequency signal output including a phase detector circuit responsive to an output signal from a sensor and an input signal to the sensor and configured to detect the phase difference between the input signal and the output ... | 12/06/2005 |
| 6957565 | Method and apparatus for characterizing materials by using a mechanical resonator A method for measuring properties of a fluid that includes oscillating a tuning fork resonator in a fluid. The invention is particularly suitable for in-line monitoring of various physical and electrical properties of fluids flowing in a conduit. ... | 10/25/2005 |
| 6946540 | Method of measuring extent of curing of compacted poly(arylene sulfide) Disclosed herein is a process for preparing cured arylene sulfide polymers. A first curing vessel comprising a first agitator is used to cure a poly(arylene sulfide) compacted powder. The curing proceeds until the compacted powder reaches a melt flow rate within a t... | 09/20/2005 |
| 6938462 | Device for measuring viscosity and/or density A device for measuring the viscosity and/or the density of a fluid using a resonator capable of mechanical vibrations. The resonator is capable of being brought into contact with the fluid. An oscillator circuit is also provided, wherein the oscillator circuit has a... | 09/06/2005 |
| 6886406 | Downhole deposition monitoring system Described is a downhole apparatus for detecting and removing deposits from a surface exposed to wellbore fluids. The apparatus can monitor the rate of deposition and subsequently remove the deposited material. The combination of detection apparatus and removal appar... | 05/03/2005 |
| 6880402 | Deposition monitoring system Described is an apparatus for detecting and removing deposits from a surface exposed to wellbore fluids. The apparatus can monitor the rate of deposition and subsequently remove the deposited material. The combination of detection apparatus and removal apparatus pro... | 04/19/2005 |
| 6843128 | Method for determining automotive brake structure vibration damping and friction material bonding A method and apparatus for determining the vibration damping characteristics of an automotive brake structure measures the vibration response of a brake structure during application of random-frequency wide spectrum excitation, followed by measuring vibration of the... | 01/18/2005 |
| 6823720 | Method for chemical sensing using a microfabricated teeter-totter resonator A method for sensing a chemical analyte in a fluid stream comprises providing a microfabricated teeter-totter resonator that relies upon a Lorentz force to cause oscillation in a paddle, applying a static magnetic field substantially aligned in-plane with the paddle... | 11/30/2004 |
| 6820469 | Microfabricated teeter-totter resonator A microfabricated teeter-totter resonator comprises a frame, a paddle pivotably anchored to the frame by pivot arms that define an axis of rotation, a current conductor line on a surface of the paddle, means for applying a static magnetic field substantially perpend... | 11/23/2004 |
| 6755073 | Sensor for measuring the viscosity of a liquid A sensor for measuring the viscosity of a fluid, which has an oscillator. The oscillator is dipped into the fluid. The surface of the oscillator is provided with a dirt-repellent coating. ... | 06/29/2004 |
