Patents Assigned to Dee Cramer, Inc.
  • Method of retrofitting an exhaust stack by incorporating a filter assembly
    Patent number: 4718156
    Abstract: A filter assembly for an exhaust stack having a housing defining an interior chamber and an inlet and an outlet which are connected in series with the exhaust stack. A mounting frame is secured diagonally within the interior of the housing so that the mounting frame is interposed between the inlet and outlet of the housing. A plurality of filter elements are detachably secured to the mounting frame so that influent into the housing inlet passes through the filter elements prior to exhaust out through the housing outlet and to the atmosphere. The filter assembly is easily retrofitted to existing systems by severing and removing a portion of the stack and installing the filter assembly in its place.
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: January 12, 1988
    Assignee: Dee Cramer, Inc.
    Inventor: James Cole
  • Filter assembly for an exhaust stack
    Patent number: 4637300
    Abstract: A filter assembly for an exhaust stack having a housing defining an interior chamber and an inlet and an outlet which are connected in series with the exhaust stack. A mounting frame is secured diagonally within the interior of the housing so that the mounting frame is interposed between the inlet and outlet of the housing. A plurality of filter elements are detachably secured to the mounting frame so that influent into the housing inlet passes through the filter elements prior to exhaust out through the housing outlet and to the atmosphere. The filter assembly is easily retrofitted to existing systems.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: January 20, 1987
    Assignee: Dee Cramer, Inc.
    Inventor: James Cole