With Remote Fan Or Pump And Unconfined Flow To Separator Patents (Class 55/383)
  • Air filtering system
    Patent number: 4092136
    Abstract: An air filtering system includes a motor driven exhaust fan operable to draw air through a filter for particulate spray material, support means for supporting a dispenser adapted under operator control to dispense particulate spray material into the air and means responsive to operator removal and return of the dispenser to the support means for energizing and deenergizing the motor, respectively.
    Type: Grant
    Filed: September 14, 1976
    Date of Patent: May 30, 1978
    Assignees: William D. Farnham, Teddar S. Brooks
    Inventor: Dominic J. Zimbardi