Patents by Inventor Yoen Hung

Yoen Hung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7269874
    Abstract: A cleaning device 100 for cleaning a generally elongated duct or pipe, including: a housing 120 having a front end 124 and a rear end 126; an inner-drum 300 having a front end 340, a rear end 360, a sidewall 380, and a sidewall inner-surface 400, the inner-drum 300 is located inside the housing 120; a drive shaft 320 protruding from the rear end 360 and through the rear end 126; a drive member 140 that is attachable to the drive shaft 320; a cable 180 abutting against the inner-surface 400 of the inner-drum 300, wherein the cable 180 has opposite proximal 200 and distal 220 ends, wherein during normal operation the distal end 220 protrudes through the front end 340 and through the front end 124; and a cleaning member 240, wherein the cleaning member 240 is attachable to the distal end 220.
    Type: Grant
    Filed: March 5, 2006
    Date of Patent: September 18, 2007
    Inventor: Yoen Hung
  • Publication number: 20070033752
    Abstract: A dryer duct cleaning apparatus and method for cleaning and maintaining the interior of most types of dryer ducts, including clothing dryer ducts and related vents. The apparatus is made up of a flexible coil connected to a rotating device at one end and a cleaning brush or accessory at the other. The flexible coil can be extended through the use of attached housing to create a set length cleaning apparatus. The cleaning brushes configured in a variety of sizes with differing configurations of bristled appendages for specific applications.
    Type: Application
    Filed: August 12, 2005
    Publication date: February 15, 2007
    Inventor: Yoen Hung
  • Publication number: 20060195994
    Abstract: A cleaning device 100 for cleaning a generally elongated duct or pipe, including: a housing 120 having a front end 124 and a rear end 126; an inner-drum 300 having a front end 340, a rear end 360, a sidewall 380, and a sidewall inner-surface 400, the inner-drum 300 is located inside the housing 120; a drive shaft 320 protruding from the rear end 360 and through the rear end 126; a drive member 140 that is attachable to the drive shaft 320; a cable 180 abutting against the inner-surface 400 of the inner-drum 300, wherein the cable 180 has opposite proximal 200 and distal 220 ends, wherein during normal operation the distal end 220 protrudes through the front end 340 and through the front end 124; and a cleaning member 240, wherein the cleaning member 240 is attachable to the distal end 220.
    Type: Application
    Filed: March 5, 2006
    Publication date: September 7, 2006
    Inventor: Yoen Hung