Patents by Inventor David W. Pearson

David W. Pearson 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).

  • HYDROCARBYL-MODIFIED METHYLALUMINOXANE COCATALYSTS FOR BISPHENYLPHENOXY METAL-LIGAND COMPLEXES
    Publication number: 20240092952
    Abstract: Processes of polymerizing olefin monomers.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 21, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: David M. Pearson, Yi Jin, Alfred E. Vigil, JR., Brian M. Habersberger, Lisa S. Madenjian, Harold W. Boone
  • Radiation detector with converters
    Patent number: 7186986
    Abstract: A high efficiency radiation detector employs longitudinally extending converter elements receiving longitudinally propagating radiation to produce high-energetic electrons received by detector structures in interstitial spaces. The secondary electron generation in this architecture allows great freedom in selection of converter materials and thickness. A variety of detector mechanisms may be used including ionization-type detectors or scintillation-type detector.
    Type: Grant
    Filed: June 17, 2002
    Date of Patent: March 6, 2007
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Ralf Hinderer, Harald Keller, Thomas R. Mackie, Jeffrey Kapatoes, David W. Pearson, Paul J. Reckwerdt, Richard C. Schmidt
  • Radiation detector with converters
    Publication number: 20040183026
    Abstract: A high efficiency radiation detector employs longitudinally extending converter elements receiving longitudinally propagating radiation to produce high-energetic electrons received by detector structures in interstitial spaces. The secondary electron generation in this architecture allows great freedom in selection of converter materials and thickness. A variety of detector mechanisms may be used including ionization-type detectors or scintillation-type detector.
    Type: Application
    Filed: March 1, 2004
    Publication date: September 23, 2004
    Inventors: Ralf Hinderer, Harald Keller, Thomas R. Mackie, Jeffrey Kapatoes, David W. Pearson, Paul J. Reckwerdt, Richard C. Schmidt