Patents Assigned to Metropolitan Vacuum Cleaner Co., Inc.
  • Patent number: 4327459
    Abstract: A portable machine for steam cleaning carpets, rugs, automotive engines and soiled areas including an electrolytic generator for substantially instant production of steam, a positive displacement pump for delivering a water-chemical solution from a tank to the electrolytic generator and from the electrolytic generator a discharge of steam via a flexible hose and nozzle onto a soiled area including automotive engines. When adapted primarily for rug and carpet cleaning the machine includes an air pump and solenoid for delivering detergent from a tank to the nozzle and a vacuum motor with nozzle for picking up excess moisture and dirt particles released by the steam solution.
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: May 4, 1982
    Assignee: Metropolitan Vacuum Cleaner Co., Inc.
    Inventor: Jack J. Gilbert
  • Patent number: D486613
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: February 10, 2004
    Assignee: Metropolitan Vacuum Cleaner Co., Inc.
    Inventors: Jules Stern, David Stern, Kenneth Stern, Peter Stankus
  • Patent number: D583041
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: December 16, 2008
    Assignee: Metropolitan Vacuum Cleaner Co., Inc
    Inventors: David Stern, Kenneth H. Stern, Fred Bishop, Jules Stern, John Hofsess