Famous Patents
British merchant Peter Durand invented the tin can in 1810.
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.
| Application No. | Application Title | Issue Date |
| 20130069603 | METHOD TO MONITOR SAFE OPERATION OF AN ULTRACAPACITOR A container of an electrochemical double-layer capacitor for holding electrodes and electrolyte includes a housing having a cavity and a cap portion coupled to the housing forming a fluid-tight reservoir with the cavity. The container also includes a plurality of termin... | 03/21/2013 |
| 20130055819 | Unpowered, Wireless Pressure Sensor for Point-of-Care Glaucoma Diagnosis The disclosed invention describes an unpowered apparatus which can wirelessly sense pressure based on microfluidics for point-of-care glaucoma diagnosis. Moreover, the disclosed invention teaches methods to construct the invention using microfabrication processing. Fina... | 03/07/2013 |
| 20130055818 | PRESSURE CONTROL IN CONTINUOUS PLASMA DEPOSITION PROCESSES Processes of identifying small pressure irregularities in a system used for continuous plasma deposition are provided. Sensitive light scattering is used to detect the presence of nucleated particles in a detection area that is outside the plasma region of high electric... | 03/07/2013 |
| 20120318067 | Fluid Pressure Monitoring Apparatus A fluid pressure monitoring apparatus for use in high temperature, harsh environment applications, is described. The apparatus comprises an elongated member, having a free end and a fixed end, and a blind bore extending through the elongated member the bore having an op... | 12/20/2012 |
| 20120266681 | Method and device for optical pressure measurement of a gas in a closed container Method for optical pressure measurement of a gas in a closed container by directing a radiation of a radiator through the container and measuring the transmitted radiation by a detector, wherein
| 10/25/2012 |
| 20120255363 | SYSTEM FOR DUAL PRESSURE SENSING The sensor includes a deformable diaphragm responsive to applied pressure and a rigid beam mounted to move as the diaphragm deforms. The rigid beam includes a mirrored surface for receiving light from and reflecting light into an optical fiber thereby forming a Fabry-Pe... | 10/11/2012 |
| 20120227505 | MINIATURE HIGH SENSITIVITY PRESSURE SENSOR There is described a miniature fiber optic pressure sensor design where sensitivity around specific biased pressure is optimized. In an embodiment, the pressure sensor is a Fabry-Perot (FP) sensor which comprises a substrate; and a diaphragm mounted on the substrate. Th... | 09/13/2012 |
| 20120210797 | ULTRA-MINIATURE FIBER-OPTIC PRESSURE SENSOR SYSTEM AND METHOD OF FABRICATION Ultra-miniature surface-mountable optical pressure sensor is constructed on an optical fiber. The sensor design utilizes an angled fiber tip which steers the optical axis of the optic fiber by 90°. The optical cavity is formed on the sidewall of the optic fiber. The op... | 08/23/2012 |
| 20120096956 | PHOTONIC CRYSTAL PRESSURE SENSOR The present invention provides a microscale pressure sensor that exhibits high sensitivity in a small form factor. The sensor is a bridged device in which a photonic crystal waveguide, surrounded by a photonic crystal slab, is suspended over a dielectric substrate. Unde... | 04/26/2012 |
| 20120085175 | FIBRE OPTICAL SYSTEM AND USE THEREOF A fibre optical system for pressure measurement has a pressure sensor element (4) with at least two parallel partially reflecting surfaces (5, 7), one of which is arranged on a diaphragm (6) movable with respect to another fixed said surface as a co... | 04/12/2012 |
| 20110311179 | COMPARTMENTALIZED FIBER OPTIC DISTRIBUTED SENSOR A distributed fiber optic sensor comprises a conduit having a plurality of sealed compartment extending along its length. A sensing optical fiber is disposed in the conduit and extends through the sealed compartment to form a series of separate sensing elements, each of... | 12/22/2011 |
| 20110232388 | SYSTEMS AND METHODS FOR MEASURING FLUID PRESSURE WITHIN A DISPOSABLE IV SET CONNECTED TO A FLUID SUPPLY PUMP Systems and methods of measuring pressure of fluid in a disposable IV set connected to a fluid supply pump is disclosed. At least one sensing arrangement coupled to the fluid supply pump is provided. A chamber having a movable element is provided, the movable element co... | 09/29/2011 |
| 20110190640 | Pressure sensor with an interferometric sensor and an in-fiber Bragg grating reference sensor A pressure sensor (10 for medical applications comprises a silica optical fiber extrinsic Fabry-Perot interferometric (EFPI) pressure sensor (2) and an in-fiber Bragg grating (FBG, 3). The cavity of the EFPI pressure sensor (2) is formed by t... | 08/04/2011 |
| 20110178413 | INTRAVASCULAR OPTICAL COHERENCE TOMOGRAPHY SYSTEM WITH PRESSURE MONITORING INTERFACE AND ACCESSORIES An optical coherence tomography system and method with integrated pressure measurement. In one embodiment the system includes an interferometer including: a wavelength swept laser; a source arm in communication with the wavelength swept laser; a reference arm in communi... | 07/21/2011 |
| 20110137240 | HOLOGRAPHIC OCCLUSION DETECTION SYSTEM FOR INFUSION PUMPS A holographic occlusion detection system has a white-light holographic label placed onto a sensing portion or surface of a pressure sensor connected to infusion tubing. The pressure sensor at the sensing portion can have a relatively thin wall section and may be wider a... | 06/09/2011 |
| 20110120226 | MICRON-SCALE PRESSURE SENSORS AND USE THEREOF An optical fibre sensing device for detecting physical parameters such as pressures, strains and temperatures comprises a probe housing therein an optical fibre. The distal end of the probe houses a distal portion of the optical fibre having a section provided with a fi... | 05/26/2011 |
| 20110048136 | PRESSURE SENSOR ASSEMBLY AND METHOD OF USING THE ASSEMBLY A pressure sensor assembly comprises a sensor housing having a flexible wall that is configured to deform in response to a pressure difference between the interior and exterior of the sensor housing; —a first fiber optical cable section that is bonded to the flexible ... | 03/03/2011 |
| 20110023617 | ULTRA-MINIATURE FIBER-OPTIC PRESSURE SENSOR SYSTEM AND METHOD OF FABRICATION Ultra-miniature surface-mountable Fabry-Perot pressure sensor is constructed on an optical fiber which utilizes a 45° angled fiber tip covered with a reflective layer which steers the optical axis of the fiber by 90°. The Fabry-Perot cavity is formed on the sidewall o... | 02/03/2011 |
| 20100180686 | PRESSURE SENSOR A pressure sensor is disclosed wherein pressure induced changes in birefringent properties of an optical sensing element are read out by transmission of at least one light beam. The pressure sensor can include at least one single-material transparent body which is subje... | 07/22/2010 |
| 20100089168 | ACTUATING DEVICE WITH POSITION SENSING DEVICE The present invention relates to an actuating device (12) with a pressure cell (1) for actuating mechanical systems by means of an actuating rod (13). To determine intermediate positions of the actuating rod (13) in a simple and inexpensive w... | 04/15/2010 |
| 20100064785 | OPTICAL PRESSURE SENSOR HAVING AT LEAST TWO OPTICAL FIBERS The invention relates to an optical pressure sensor based on light intensity measurements and comprises at least one membrane and two parallel optical fibers. At lest one first fiber has a fiber end and a light emission surface for emitting light in the direction of the... | 03/18/2010 |
| 20100005893 | METHOD OF MONITORING PRESSURE OF A GAS SPECIES AND APPARATUS TO DO SO A method of monitoring pressure of a gas species up to at most a predetermined maximum pressure value is disclosed. The method includes exposing the gas species to transmission of laser light, periodically modulating the wavelength of the laser light over a wavelength b... | 01/14/2010 |
| 20090301208 | Differential pressure measuring system and differential pressure measuring method A differential pressure measuring system includes a light source for emitting a light, a first transducer for attenuating the intensity of the emitted light in a first range, depending on a first pressure, and providing a first light, a second transducer for attenuating... | 12/10/2009 |
| 20090193901 | Sensor for Detecting Arcing Faults The present invention is directed to a sensor for detecting arcing faults, the sensor combining a photodetector, a pressure detector, and an accelerometer along with integrated circuitry. The circuitry controls each detector, operates the self-test circuitry, conditions... | 08/06/2009 |
| 20090044629 | METHOD OF MONITORING PRESSURE OF A GAS SPECIES AND APPARATUS TO DO SO A method of monitoring pressure of a gas species up to at most a predetermined maximum pressure value is disclosed. The method includes exposing the gas species to transmission of laser light, periodically modulating the wavelength of the laser light over a wavelength b... | 02/19/2009 |
| 20070151346 | Optical Pressure Monitoring System An optical pressure monitoring system includes a tube from an infusion set and an optical signal sensor disposed to detect changes in the diameter of the tube and thereby determine pressure changes within the tube. By selecting the position of the tube relative to the o... | 07/05/2007 |
| 20070144265 | Method of monitoring pressure of a gas species and apparatus to do so A method of monitoring pressure of a gas species up to at most a predetermined maximum pressure value is disclosed. The method includes exposing the gas species to transmission of laser light, periodically modulating the wavelength of the laser light over a wavelength b... | 06/28/2007 |
| 20070089522 | Differential pressure measuring system and differential pressure measuring method A differential pressure measuring system includes a light source for emitting a light, a first transducer for attenuating the intensity of the emitted light in a first range, depending on a first pressure, and providing a first light, a second transducer for attenuating... | 04/26/2007 |
| 20070068261 | Pressure sensor A pressure sensor having a diaphragm which is differently deformable or locally changeable by pressure differences is described. A construction advantageously usable even in poorly accessible spaces having high temperatures is obtained in that at least one functional se... | 03/29/2007 |
| 20070068262 | Fiber Optic Differential Pressure Sensor A fiber optic differential pressure sensor. In a described embodiment, a differential pressure sensor system for use in a subterranean well includes a fluid property sensing housing having a flow passage formed therethrough. A differential pressure sensor has an optical... | 03/29/2007 |
| 20070022816 | Pressure indicating apparatus A pressure indicating apparatus is disclosed. The apparatus indicates pressure change in a device, the apparatus comprises: a pointer, optical sensing means, a planar element and indicating means. The pointer moves in response to the change in pressure, which in turn mo... | 02/01/2007 |
| 20060288789 | Micromechanical pressure sensor element and method for using a pressure sensor element of this type A micromechanical pressure sensor element, in particular for tire pressure measurement. The device has at least: a layer system having a diaphragm underneath which a cavity is formed, which is separated from an external space outside the pressure sensor element; a measu... | 12/28/2006 |
| 20060289386 | Etchant, method of etching, laminate formed thereby, and device An etchant including a halogenated salt, such as Cryolite (Na3AlF6) or potassium tetrafluoro borate (KBF4), is provided. The salt may be present in the etchant in an amount sufficient to etch a substrate and may have a melt temperature o... | 12/28/2006 |
| 20060283255 | High-temperature pressure sensor A high-temperature pressure sensor that includes a dielectric layer. The pressure sensor also includes a substrate capable of withstanding temperatures greater than 450° C. without entering a phase change, at least one semiconducting material deposited on the sapphire ... | 12/21/2006 |
| 20060225510 | Miniature optically coupled electrically isolated ultrasensitive dynamic pressure detector A system for monitoring low dynamic pressures in confined spaces, such system comprising a catheter, a multilayered corrugated membrane of diameter less than 2 mm with a reflective inner layer mounted within said catheter; a set of optical fibers comprising one or more ... | 10/12/2006 |
| 20060144150 | Optical pressure-sensing system and method for sensing pressure The optical pressure-sensing system essentially comprises a light source, a resonant cavity and a detector, where the light source is used for generating a light with a predetermined wavelength, the resonant cavity includes a stationary wall with a stationary plane and ... | 07/06/2006 |
| 20060137456 | Static and dynamic pressure sensor A sensor, in accordance with aspects of the present technique, is provided. The sensor comprises a membrane formed of gallium nitride. The membrane is disposed on a substrate, which is wet-etched to form a closed cavity. The membrane exhibits both a capacitive response ... | 06/29/2006 |
| 20060070446 | PRESSURE GAUGE A pressure gauge includes a housing and a mechanical sensor placed in the housing for sensing change of the pressure. A characteristic of the sensor varies in correspondence to the change of the pressure. The gauge also includes an optical fiber, at least part of which ... | 04/06/2006 |
| 20060021441 | Method of monitoring pressure of a gas species and apparatus to do so A method of monitoring pressure of a gas species up to at most a predetermined maximum pressure value is disclosed. The method includes exposing the gas species to transmission of laser light, periodically modulating the wavelength of the laser light over a wavelength b... | 02/02/2006 |
| 20050210989 | Microresonator-based high-performance high-pressure sensor and system An optically-powered integrated microstructure pressure sensing system for sensing pressure within a cavity. the pressure sensing system comprises a pressure sensor having an optical resonant structure subject to the pressure within the cavity and having physical proper... | 09/29/2005 |
