Patents by Inventor David Martin Iddles

David Martin Iddles 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).

  • Microwave dielectric ceramic
    Patent number: 7732362
    Abstract: A dielectric ceramic material as claimed in claim 1 with a composition of formula x CaTiO3+(1?x)SmzRe(1?z)AlO3??(1) optionally doped with about 0.005% to about 5% of CeO2 as a dopant, wherein 0.5?x?0.9, 0.3?z?0.995, or Re may be selected from a group consisting of La, Pr, Dy, Gd, Y, Er, Ho and mixtures thereof.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: June 8, 2010
    Assignee: Powerwave (UK) Ltd.
    Inventors: David Martin Iddles, Duncan Muir, Timothy James Price
  • MICROWAVE DIELECTRIC CERAMIC
    Publication number: 20080167176
    Abstract: A dielectric ceramic material as claimed in claim 1 with a composition of formula xCaTiO3+(1?x)SmzRe(1-z)AlO3 ??(1) optionally doped with about 0.005% to about 5% of CeO2 as a dopant, wherein 0.5?x?0.9, 0.3?z?0.995, or Re may be selected from a group consisting of La, Pr, Dy, Gd, Y, Er, Ho and mixtures thereof.
    Type: Application
    Filed: December 18, 2007
    Publication date: July 10, 2008
    Applicant: POWERWAVE (UK) LTD.
    Inventors: David Martin Iddles, Duncan Muir, Timothy James Price
  • Microwave dielectric ceramic
    Patent number: 7326667
    Abstract: A dielectric ceramic material consisting essentially of a composition of Formula 1 xATiO3(1?x)NdzRe(1?z)AlO3 ??(1) doped with 0.005% to 5% of a dopant selected from the group consisting of: cerium oxide, manganese oxide and mixtures thereof; wherein A may be selected from the group consisting of: Ca, Sr, Mg and mixtures thereof; Re may be selected from a group consisting of La, Sm, Pr, Dy, Er, Gd, Y and mixtures thereof; wherein z is from 0.95 to 0.995; and wherein x is a positive number less than 1.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: February 5, 2008
    Assignee: Remec International Holdings SRL
    Inventors: David Martin Iddles, Duncan Muir, Timothy James Price