Patents Assigned to Sprint Recovery Systems Inc.
  • Apparatus for pollution control of industrial waste systems
    Patent number: 4724044
    Abstract: Method and apparatus for disposing of waste rinse water used in photographic processes in which the waste rinse water is heated in a dissolution tank to be reduced to a slurry which is accumulated and stored in drums for later processing. The apparatus is compact consisting of separate tanks for the different rinse water, a holding tank to collect the contaminated rinse water and a separate dissolution tank. There is no discharge of any liquid waste products into the environment.
    Type: Grant
    Filed: October 15, 1986
    Date of Patent: February 9, 1988
    Assignee: Sprint Recovery Systems Inc.
    Inventors: Fern Weishaar, Walter Weishaar