Patents Examined by Harshad R Patel
  • Patent number: 11898979
    Abstract: A gas sensor with improved sensitivity. The gas sensor comprises an active sensor unit, a reference sensor unit and a temperature control circuit. The active sensor unit has an active detector. The reference sensor unit has a reference detector. The temperature control circuit is provided and configured to keep a detector at a predetermined temperature.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: February 13, 2024
    Assignee: TDK Corporation
    Inventor: Matthias König
  • Patent number: 11898997
    Abstract: A liquid chromatography (LC) system comprises an LC switching valve comprising a sample input port, aspiration pump port, needle seat port, waste port leading to a waste, LC pump port and an LC column port. A sample aspiration needle is fluidically connected to the sample input port via a sample receiving conduit, an aspiration pump is fluidically connected to the aspiration pump port. The LC system includes a needle seat fluidically connected to the needle seat port via a needle seat conduit, an LC column fluidically connected to the LC column port, and an LC pump fluidically connected to the LC pump port, for injecting the sample into the LC column when the sample aspiration needle is seated into the needle seat and when the LC pump port is fluidically connected to the needle seat port and the sample input port is fluidically connected to the LC column port.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: February 13, 2024
    Assignee: Roche Diagnostics Operations, Inc.
    Inventor: Indranil Mitra
  • Patent number: 11892423
    Abstract: A sensor including a detection film formed from a resin composition, a first electrode provided on a first surface of the detection film, and a second electrode provided on a second surface of the detection film, wherein the first surface of the detection film includes a rough surface having fine irregularities with a root mean square roughness (Rq) of 0.3 ?m to 3.0 ?m in a portion that is in contact with the first electrode.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: February 6, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Megumi Hayasaka, Yoshifumi Komatsu, Yoshihiro Harada
  • Patent number: 11892333
    Abstract: An object is to improve measurement accuracy of a thermal air flow meter. A flow-rate measuring device comprising: a sensor assembly having a flow-rate detecting element; a circuit board on which the sensor assembly is mounted; and a housing on which the circuit board is mounted, wherein the sensor assembly is mounted on the circuit board such that a detection portion side of the flow-rate detecting element is closer to the housing, and the sensor assembly includes a contact portion in contact with the housing on the detection portion side.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: February 6, 2024
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Masatoshi Ogata, Norio Ishitsuka, Takahiro Miki, Akira Uenodan, Takayuki Yogo
  • Patent number: 11885653
    Abstract: A system for observing a flow characteristic of a fluid is provided. The system comprises a nadir-facing sensor, an angle flow sensor, and processing circuitry. The nadir-facing sensor and the angle flow sensor are both provided at a distance above the fluid, and the nadir-facing sensor and the angle flow sensor are both Multiple-Input Multiple-Output phase radar sensors. The processing circuitry is configured to receive sensor data from the nadir-facing sensor and the angle flow sensor, the sensor data includes at least one of a fluid speed or a fluid surface level, and the processing circuitry is configured to determine the flow characteristic based upon the sensor data.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: January 30, 2024
    Assignee: Hydro Radar, LLC
    Inventors: Gerard Edwards, Zongbo Wang
  • Patent number: 11885727
    Abstract: The home device capable of gas detection is provided and includes a main body and a gas detection module. The main body has at least one inlet, at least one outlet and a gas flowing channel disposed between the at least one inlet and the at least one outlet. The gas detection module is disposed in the gas flowing channel of the main body and includes a piezoelectric actuator and at least one sensor. Gas is inhaled into the gas flowing channel through the inlet by the piezoelectric actuator, is discharged out through the outlet, and is transported to the at least one sensor to be detected so as to obtain gas information.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: January 30, 2024
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Yung-Lung Han, Chi-Feng Huang, Chun-Yi Kuo, Yi-Ting Lu, Chang-Yen Tsai, Wei-Ming Lee
  • Patent number: 11885655
    Abstract: The subject matter of this specification can be embodied in, among other things, a fluid flow conditioning apparatus that includes a linear fluid conduit having a first tubular body defining a major axis and extending from a conduit inlet to a conduit outlet arranged opposite the conduit inlet, and configured with a predetermined flow geometry to define a linear fluid flow path along the major axis, a fluid inlet non-parallel to the linear fluid flow path, a first fluid flow conditioner configured to receive fluid flow, condition fluid flow, and redirect conditioned fluid flow along the linear fluid flow path along the major axis, a second fluid flow conditioner configured to receive fluid flow from the linear fluid flow path along the major axis, redirect fluid flow away from the linear fluid flow path, and condition fluid flow.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: January 30, 2024
    Assignee: Woodward, Inc.
    Inventors: Jordan Loren Loos, Gregory Warren Pulley, Brian Swope, Andrew D. Splitt
  • Patent number: 11879761
    Abstract: A fine grain powder metering unit for fine-grained powders combines the volumetric metering mode with the weighing mode, using for pre-metering 95-99% of the required quantity a volumetric drawer which is then emptied into the tray of a precision scale where a low-flow feeder feeds the powder for metering the final 1-5%, so as to combine the advantages of both metering modes and quickly achieve a metering with high accuracy and repeatability, automatically and with a simple and reliable structure.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: January 23, 2024
    Assignee: LCM S.R.L.
    Inventor: Pietro Mai
  • Patent number: 11881093
    Abstract: A vehicle system includes: smoke sensors located at different locations within a passenger cabin of a vehicle and configured to measure amounts of cigarette smoke at the locations, respectively, within the passenger cabin of the vehicle; and a smoking module configured to, based on the measured amounts of cigarette smoke, determine that: a smoking event occurred at a first location within the passenger cabin; and the smoking event did not occur at a second location that is different than the first location within the passenger cabin of the vehicle.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: January 23, 2024
    Assignee: DENSO International America, Inc.
    Inventors: Sibu Varughese, Martín Nespolo, Thomas Krzyzak, Gareth Webb, Wilson Yim, Matthew Johnson
  • Patent number: 11879813
    Abstract: A leak detection device includes a body having at least one fluid input that receives a fluid leak, at least one drain fluidly coupled with a container, and at least one sensor conduit input fluidly coupled with at least one sensor. The fluid input is located above the drain but below the sensor conduit input. The body includes an internal conduit that is fluidly coupled with and extends between the fluid input, the drain, and the sensor conduit input. The internal conduit includes a lower branch that extends below the fluid input to the drain. The internal conduit includes an upper branch that separately extends in the body above the sensor conduit input to the drain. The lower branch includes a reduced flow portion below the fluid input and the sensor conduit input but above the drain.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: January 23, 2024
    Assignee: TRANSPORTATION IP HOLDINGS, LLC
    Inventors: Shawn Gallagher, Pisey Leute, Manuel Licon Flores, Jesse Brigden, Sudheer Khanapure
  • Patent number: 11874205
    Abstract: A gas chromatograph comprises a sample gas generation unit, separation column, and detector. Multiple gas sources serve as carrier gases to transport sample gas to the separation column. A switching component connects the gas sources to the sample gas generation unit based on user-input information. This information is stored in a gas type memory, which aids a gas type identification component in determining the carrier gas type by monitoring the switching component's status and referring to the stored data.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: January 16, 2024
    Assignee: SHIMADZU CORPORATION
    Inventors: Ayaka Kisaka, Yasuhiro Kimoto, Yu Nagao
  • Patent number: 11867566
    Abstract: A method of determining a temperature of a patient includes measuring a first temperature of the patient with a temperature device, and measuring a second temperature of an environment with the temperature device. The method includes determining if a change in the ambient temperature exceeds a threshold. If the change does exceed the threshold, the method also includes applying a correction factor to the first temperature of the patient to account for the change in ambient temperature.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 9, 2024
    Assignee: WELCH ALLYN, INC.
    Inventors: John A. Lane, Matthew J. Kinsley, Ryan Kent
  • Patent number: 11867545
    Abstract: In an embodiment a method includes transmitting a signal train through a medium, wherein the signal train includes a sequence of waves of a first group and of a second group, the first and second groups being shifted in a time domain according to a predetermined phase shift, receiving the signal train as a received signal train and as a function of time, detecting a phase shift in the received signal train, assigning wave periods of the received signal train to respective wave periods of the first group using the detected phase shift as reference and determining a sequence of time-of-flight signals from the sequence of waves of the first group and the assigned wave periods of the received signal train, respectively.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: January 9, 2024
    Assignee: Sciosense B.V.
    Inventors: Matthias Bürkle, Stefan Kern, Augustin Braun
  • Patent number: 11860010
    Abstract: A differential pressure metering apparatus includes a manifold for fluidically coupling impulse lines. The manifold also includes a rigid body having a base, and an arm extending from the base, with a high and low pressure channel extending through the body from a high pressure inlet to opposing first and second high pressure outlet ports, and from a low pressure inlet to opposing first and second low pressure outlet ports respectively. The manifold is configured to be mounted to a flow restrictor pipe section in a wet-line configuration, in which the first high and low pressure outlet ports define impulse line extension directions having a downward component, and the second high and low pressure outlet ports define impulse line extension directions having an upward component.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: January 2, 2024
    Assignee: Spirax-Sarco Limited
    Inventors: Adam Hughes, Martin Folkesson
  • Patent number: 11860013
    Abstract: A magnetically inductive flowmeter for determining flow velocity and/or volume flow of a medium includes a measuring tube for conveying the medium, a magnetic field generating device and at least one electrode assembly, which is installed in the measuring tube in such a manner that it forms a galvanic contact with the medium, wherein the electrode assembly has an electrode body, wherein the electrode body is stylus shaped and has a front end surface, wherein a pressure measuring transducer is coupled with the electrode body, and wherein the pressure measuring transducer is contactable with the pressure acting on the front end surface.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: January 2, 2024
    Assignee: Endress+Hauser Flowtec AG
    Inventors: Heinz Rufer, Frank Voigt, Steffen Ziegler
  • Patent number: 11860012
    Abstract: The present invention relates to a an electromagnetic flowmeter for measuring flow of fluid flowing in a conduit of the electromagnetic flowmeter, wherein the electromagnetic flowmeter comprises: a coil attached to the conduit and excited by an excitation unit to generate an electromagnetic field to interact with the fluid flowing in the conduit, a shield magnetically coupled with the coil, a pair of electrodes mounted on the conduit for measuring potential difference generated by the interaction of the electromagnetic field in the fluid; and wherein the at least one coil and the at least one shield is provided with an arrangement to displace the at least one of the at least one coil and the at least one shield to adjust the interaction of the electromagnetic field with the fluid.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: January 2, 2024
    Assignee: ABB Schweiz AG
    Inventor: Subhashish Dasgupta
  • Patent number: 11852514
    Abstract: A magnetic-inductive flowmeter includes: a measuring tube; a magnetic field generator including a pole shoe for producing in the medium a magnetic field extending perpendicular to the longitudinal direction, wherein the pole shoe subtends a field central angle; and at least two measuring electrode components in galvanic contact with the medium, wherein the measuring electrode components have a circular arc length, which subtends an electrode central angle, wherein the field and electrode central angles are so adapted relative to one another that the flowmeter is insensitive to departures from a rotationally symmetric flow to a degree such that the magnetic-inductive flowmeter has in a test measurement a measurement error of flow velocity and/or a measurement error of volume flow of less than 0.2%.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: December 26, 2023
    Assignee: Endress+Hauser Flowtec AG
    Inventor: Simon Mariager
  • Patent number: 11852606
    Abstract: The gas sensor includes a sensor element, an element sealing member, a lead wire, a connector, an outer tube, and a grommet. The sensor element has, in the vicinity of a rear end thereof, a surface on which an electrode pad is formed. The element sealing member is configured to hold part of the sensor element. The connector is configured to hold the portion of the sensor element in which the electrode pad is formed, and to electrically connect the electrode pad and the lead wire. The outer tube is configured to be fixed to the element sealing member, and to surround the connector. The grommet is configured to be attached to a rear end of the outer tube, and to allow the lead wire to extend therethrough. A protruding portion is formed on a rear end face of the connector and is in contact with the grommet.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: December 26, 2023
    Assignee: NGK INSULATORS, LTD.
    Inventor: Hiroki Adachi
  • Patent number: 11852617
    Abstract: A thermal desorption tube collection system uses a thermoelectric cooler to collect and concentrate gas samples. In some modes, the operation of the cooler is reversed to flow the concentrated sample directly into a separator such as a gas chromatography system. Components resolved in time by a thermal desorption separator accumulate in a sample cell and are analyzed by electromagnetic radiation-based spectroscopic techniques. Also presented are methods for analyzing biogas samples.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: December 26, 2023
    Inventors: Martin L. Spartz, Adam R. Klempner, Kelly Renee McPartland
  • Patent number: 11846601
    Abstract: A method of testing a gas includes providing a sensor including a sensing electrode that includes a catalyst comprising palladium, and a counter electrode that includes a metal catalyst. An electrolyte is disposed between the sensing electrode and the counter electrode, and an external electrical circuit connects the sensing electrode and the counter electrode. The gas is contacted with the sensing electrode in the absence of a voltage bias applied to the sensing and counter electrodes. A capacitive response is detected that is produced by the exposure of the sensing electrode to the gas in the absence of a voltage bias applied to the sensing and counter electrodes.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: December 19, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Zhiwei Yang, Lei Chen