Patents by Inventor Ralph David Collins

Ralph David Collins 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).

  • Micromachines
    Patent number: 6726443
    Abstract: A micromachine including at least one bladeless rotor, said rotor being adapted to impart energy to device energy to or derive energy from a fluid. A rotor for a micromachine comprising at least a pair of closely spaced co-axially aligned discs defining opposed planar surfaces, at least one disc having at least one aperture whereby a fluid passageway is defined between the aperture, the planar surfaces and the periphery of the rotor, the rotor being formed of a single crystal material.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: April 27, 2004
    Assignee: Micromachines Ltd.
    Inventors: Ralph David Collins, Bernard Raymond Mace
  • Micromachines
    Publication number: 20020195886
    Abstract: A micromachine including at least one bladeless rotor, said rotor being adapted to impart energy to device energy to or derive energy from a fluid. A rotor for a micromachine comprising at least a pair of closely spaced co-axially aligned discs defining opposed planar surfaces, at least one disc having at least one aperture whereby a fluid passageway is defined between the aperture, the planar surfaces and the periphery of the rotor, the rotor being formed of a single crystal material.
    Type: Application
    Filed: May 31, 2002
    Publication date: December 26, 2002
    Inventors: Ralph David Collins, Bernard Raymond Mace