Patents by Inventor Brian E. Leaver

Brian E. Leaver 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).

  • Means and method for controlling eluent gradient in liquid chromatography
    Patent number: 4066879
    Abstract: An apparatus and method for producing a gradient between two eluents. The form or slope characteristics of the gradient may be varied to suit a given application. Apparatus are provided for expanding or compressing the range of the gradient while maintaining its form over a wide range of values. In a preferred embodiment the apparatus include means for controlling the form of the reset gradient in order to avoid detrimental shock to the chromatographic column.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: January 3, 1978
    Assignee: Milton Roy Company
    Inventors: Brian E. Leaver, William F. Dudley, Jr.