Patents by Inventor John Gregory Hollingshead

John Gregory Hollingshead 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).

  • Patent number: 5927325
    Abstract: A valve to allow digitally addressable flow controllers is provided. An array of micromachined valves having a range of flow capacities and individually addressable while functioning in an On/Off mode allows flow controllers and similar devices high resolution, linearity and reproducibility. The incorporation of diamond or diamond-like materials in all flow paths extends the application of the valves to corrosive materials and permits higher process temperatures and lower particulate generation.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: July 27, 1999
    Assignee: Inpod, Inc.
    Inventors: Abdelhak Bensaoula, John Gregory Hollingshead, Lawrence Frank Latham, Jr.