Patents Assigned to Enervest, Inc.
  • Air pollution attenuation system for copiers employing noxious gas in a developing chamber through which the copy passes for development
    Patent number: 4286859
    Abstract: An air pollution attenuation system for copiers employing ammonia gas having a vacuum manifold spanning the copy as it emerges from the developing chamber and connected to a stripping bath preferably reactive with the ammonia as for instance aqueous citric acid where a substantial portion of the residual ammonia is removed, the system also including means for returning and distributing the effluent gas from the bath over the copy downstream from the vacuum manifold.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: September 1, 1981
    Assignee: Enervest, Inc.
    Inventor: Clarence Kurek