Patents by Inventor B. Christian Castner

B. Christian Castner 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: 4499852
    Abstract: Apparatus for maintaining the concentration of components of a plating solution substantially constant during use of a plating bath. The apparatus comprises a sensor suspended in the plating bath responsive to the concentration of one or more plating components of the plating solution. The sensor is capable of generating a signal whereby replenished solution is pumped to the solution to replace depleted components.
    Type: Grant
    Filed: July 15, 1980
    Date of Patent: February 19, 1985
    Assignee: Shipley Company Inc.
    Inventor: B. Christian Castner