Patents by Inventor Malcolm Rosswyn Haskard

Malcolm Rosswyn Haskard 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).

  • pH electrode and methods of preparing and using same
    Patent number: 6860984
    Abstract: A pH electrode having a pH-sensitive region on an electrically conductive support, said pH-sensitive region comprising a mixture of between 50% and 85% of the total mixture by weight of particles of a Group VA or Group VIII metal incorporated in, or applied to, a polymer substrate of a non-shrinking plastic selected from polyimides, the polymer substrate having a resistivity of 10 to 100 Kohms/square the metal particles including antimony particles and, when said particles are incorporated into said resistive polymer substrate, having said pH-sensitive region abraded to expose said particles.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: March 1, 2005
    Assignee: Gastro Holdings PTY LTD
    Inventors: John Thornton Bannigan, Malcolm Rosswyn Haskard, Dennis Estcourt Mulcahy
  • pH probe
    Publication number: 20020125133
    Abstract: A pH electrode having a pH-sensitive region on an electrically conductive support, said pH-sensitive region comprising
    Type: Application
    Filed: December 2, 2001
    Publication date: September 12, 2002
    Inventors: John Thornto Bannigan, Malcolm Rosswyn Haskard, Dennis Estcourt Mulcahy