Patents by Inventor Karl J. Mock

Karl J. Mock 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: 4302318
    Abstract: The invention illustratively contemplates recovery of silver from waste photographic-fixer solution, the apparatus being so devised and controlled that high purity is achieved in the reclaimed metal without contamination of the remaining solution. As a result, the remaining solution may be recycled, and requirements for replenishment of fixer chemical are held to minimum quantities. In an automated employment of the invention, assurance is provided that electroplating action will be called for only when it can be safely performed, without impairment of quality in the reclaimed metal or in the recycled solution.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: November 24, 1981
    Inventor: Karl J. Mock
  • Patent number: 4302317
    Abstract: The invention contemplates recovery of silver (a precious metal) from waste photographic-fixer solution, the apparatus being so devised and controlled that high purity is achieved in the reclaimed metal without contamination of the remaining solution. As a result, the remaining solution may be recycled, and requirements for replenishment of fixer chemical are held to minimum quantities. In an automated employment of the invention, assurance is provided that electroplating action will be called for only when it can be safely performed, without impairment of quality in the reclaimed metal or in the recycled solution.
    Type: Grant
    Filed: March 14, 1980
    Date of Patent: November 24, 1981
    Inventor: Karl J. Mock