Patents by Inventor Mark E. Brownawell

Mark E. Brownawell 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).

  • Relative humidity generation technique
    Patent number: 5056547
    Abstract: A humidity generating method and apparatus which utilizes a source of air which can be supplied to a saturator and to a drier for supplying wet and dry air streams. Control means are provided to control a cyclical supplying of alternating timed quantities of wet and dry air streams to a chamber to provide a mixed air stream having a desired relative humidity.
    Type: Grant
    Filed: June 27, 1990
    Date of Patent: October 15, 1991
    Assignee: High Voltage Engineering Corporation
    Inventor: Mark E. Brownawell