Patents by Inventor David Howarth

David Howarth 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).

  • Publication number: 20250208117
    Abstract: The invention relates to an absorbent sensing material for interrogation of sample liquid to detect analyte, comprising: dry superabsorbent polymer (SAP) configured to receive a sample liquid; the absorbent material comprising, within the dry superabsorbent polymer, at least one dry reaction component for detecting and for signalling the presence of 5 analyte; wherein, upon insult of sample liquid, the dry superabsorbent polymer absorbs sample liquid, the at least one dry reaction component dissolves and, if analyte is present in the sample liquid, its presence is detected and signalled. The invention also relates to use of the absorbent sensing material, absorbent articles and methods of manufactures of absorbent articles and test sensors such as test strips.
    Type: Application
    Filed: March 16, 2023
    Publication date: June 26, 2025
    Inventors: David HOWARTH, Gavin MACFIE, Andrew TREWEEKE, Ian MEGSON
  • Publication number: 20080275365
    Abstract: Disclosed are various preferred embodiments for dynamic transfer of information from a test sensor to an analyte medical test device. Exemplary embodiments include various containers, systems and methods.
    Type: Application
    Filed: May 4, 2007
    Publication date: November 6, 2008
    Inventors: Brian Guthrie, Eng Kim Shuy, Gordon George Sansom, David Taylor, Keith Torrie, Robert Marshall, David Howarth, Emma Day
  • Publication number: 20080274552
    Abstract: Disclosed are various preferred embodiments for dynamic transfer of information from a test sensor to an analyte medical test device. Exemplary embodiments include various containers, systems and methods.
    Type: Application
    Filed: May 4, 2007
    Publication date: November 6, 2008
    Inventors: Brian Guthrie, Eng Kim Shuy, Gordon George Sansom, David Taylor, Keith Torrie, Robert Marshall, David Howarth, Emma Day