Patents by Inventor Dave Frazer

Dave Frazer 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).

  • AEROSOL GENERATOR
    Publication number: 20150034086
    Abstract: A sonic aerosol generator is provided that provides a constant concentration of particulate aerosol over a long exposure time to an animal. The concentration of aerosols is maintainable for greater than 30 hours at concentrations of 15 mg/m3 or more. The aerosol generator is used to expose subject to high concentrations of aerosols that more accurately represents the levels that may be seen in a workplace environment.
    Type: Application
    Filed: August 29, 2014
    Publication date: February 5, 2015
    Inventors: Walter McKinney, Dave Frazer, Bean Chen
  • Aerosol generator
    Patent number: 8875702
    Abstract: A sonic aerosol generator is provided that provides a constant concentration of particulate aerosol over a long exposure time to an animal. The concentration of aerosols is maintainable for greater than 30 hours at concentrations of 15 mg/m3 or more. The aerosol generator is used to expose subject to high concentrations of aerosols that more accurately represents the levels that may be seen in a workplace environment.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: November 4, 2014
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services, Centers for Disease Control and Prevention
    Inventors: Walter McKinney, Dave Frazer, Bean Chen
  • AEROSOL GENERATOR
    Publication number: 20110108023
    Abstract: A sonic aerosol generator is provided that provides a constant concentration of particulate aerosol over a long exposure time to an animal. The concentration of aerosols is maintainable for greater than 30 hours at concentrations of 15 mg/m3 or more. The aerosol generator is used to expose subject to high concentrations of aerosols that more accurately represents the levels that may be seen in a workplace environment.
    Type: Application
    Filed: August 30, 2010
    Publication date: May 12, 2011
    Applicant: The Government of the United States of America, as represented by the Secretary, Department of Hea
    Inventors: Walter McKinney, Dave Frazer, Bean Chen