Patents by Inventor Lambertus J. Didden

Lambertus J. Didden has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Speed of sound and/or density measurement using acoustic impedance
    Patent number: 12399154
    Abstract: Apparatus is provided featuring a signal processor or signal processing module configured at least to: receive signaling containing information about a radiation impedance of a piston vibrating a process medium, including a fluid or slurry; and determine a speed of sound or density measurement related to the process medium, based at least partly on the signaling received. The signal processor or signal processing module may determine a speed of sound measurement related to the process medium, based on at least partly on the density of the process medium, including where the density of the process medium is known, assumed or determined by the signal processor or signal processing module, or determine a density measurement related to the process medium, based on at least partly on the speed at which sound travels in the process medium, including where the speed of sound of the process medium is known, assumed or determined by the signal processor or signal processing module.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: August 26, 2025
    Assignee: CIDRA CORPORATE SERVICES LLC
    Inventors: Douglas H. Loose, Lambertus J. Didden, Alan D. Kersey
  • SPEED OF SOUND AND/OR DENSITY MEASUREMENT USING ACOUSTIC IMPEDANCE
    Publication number: 20190072524
    Abstract: Apparatus is provided featuring a signal processor or signal processing module configured at least to: receive signaling containing information about a radiation impedance of a piston vibrating a process medium, including a fluid or slurry; and determine a speed of sound or density measurement related to the process medium, based at least partly on the signaling received. The signal processor or signal processing module may determine a speed of sound measurement related to the process medium, based on at least partly on the density of the process medium, including where the density of the process medium is known, assumed or determined by the signal processor or signal processing module, or determine a density measurement related to the process medium, based on at least partly on the speed at which sound travels in the process medium, including where the speed of sound of the process medium is known, assumed or determined by the signal processor or signal processing module.
    Type: Application
    Filed: September 5, 2018
    Publication date: March 7, 2019
    Inventors: Douglas H. LOOSE, Lambertus J. DIDDEN, Alan D. KERSEY
  • SPEED OF SOUND AND/OR DENSITY MEASUREMENT USING ACOUSTIC IMPEDANCE
    Publication number: 20150082862
    Abstract: Apparatus is provided featuring a signal processor or signal processing module configured at least to: receive signaling containing information about a radiation impedance of a piston vibrating a process medium, including a fluid or slurry; and determine a speed of sound or density measurement related to the process medium, based at least partly on the signaling received. The signal processor or signal processing module may determine a speed of sound measurement related to the process medium, based on at least partly on the density of the process medium, including where the density of the process medium is known, assumed or determined by the signal processor or signal processing module, or determine a density measurement related to the process medium, based on at least partly on the speed at which sound travels in the process medium, including where the speed of sound of the process medium is known, assumed or determined by the signal processor or signal processing module.
    Type: Application
    Filed: April 5, 2013
    Publication date: March 26, 2015
    Inventors: Douglas H. Loose, Lambertus J. Didden, Alan D. Kersey