Patents by Inventor Robert Albert Carter

Robert Albert Carter 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).

  • Temperature compensated doctor blade
    Patent number: 4024834
    Abstract: A temperature compensated doctor blade system is disclosed for controlling the amount of liquid on a substrate. Variation in temperature is found to cause wide variation in liquid viscosity which affects doctor blade pressure requirements. An expandable chamber containing a temperature responsive fluid is used to control the pressure applied to a flexible doctor blade.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: May 24, 1977
    Assignee: Xerox Corporation
    Inventor: Robert Albert Carter