Patents Assigned to Richard R. Paseman
  • Method for cleaning the interior of tubes
    Patent number: 4225362
    Abstract: A spray head with nozzles is carried on a lance to spray high pressure fluid, such as water, to clean the interior of tubes, such as those in heat exchangers. The fluid, in addition to cleaning the interior of the tube, is used to both rotate the lance and move the lance into and out of the tube.
    Type: Grant
    Filed: January 18, 1979
    Date of Patent: September 30, 1980
    Assignee: Richard R. Paseman
    Inventor: John S. Sentell