Patents by Inventor Jeong Oh Kwon

Jeong Oh Kwon 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: 8550377
    Abstract: The present invention relates to a paint spraying device for spraying various-colored paints, and more specifically, to a paint spraying device which is capable of spraying various-colored paints, individually or in combination, increases spraying efficiency by controlling a paint spray angle, and is easy to carry.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: October 8, 2013
    Inventor: Jeong Oh Kwon
  • Patent number: 8453949
    Abstract: Provided is a multi-color paint application apparatus, which includes: a paint storage portion having a number of paint containers in the inside of a storage body; a cover portion that can open and close the upper side of the storage body of the paint storage portion; a discharge portion which includes discharge tubes, and auxiliary containers paint discharge valves; a sensor portion having sensors which are respectively fixed to the discharge tubes, in which an alarm sound is produced by a buzzer if electric power is short-circuited; an air inlet portion including a 3-way valve which makes pressure of air selectively flow into the center of the cover portion; a dehumidification portion which is connected with an expansion tube where a drain plug that can remove moisture by adiabatic expansion of the compressed air is formed with the 3-way valve in the air inlet portion; and a spray gun which can selectively spray the compressed air through a switch formed in a handle lever.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: June 4, 2013
    Inventor: Jeong Oh Kwon
  • Publication number: 20110220737
    Abstract: The present invention relates to a paint spraying device for spraying various-colored paints, and more specifically, to a paint spraying device which is capable of spraying various-colored paints, individually or in combination, increases spraying efficiency by controlling a paint spray angle, and is easy to carry.
    Type: Application
    Filed: April 22, 2009
    Publication date: September 15, 2011
    Inventor: Jeong Oh Kwon
  • Publication number: 20100270394
    Abstract: Provided is a multi-color paint application apparatus, which includes: a paint storage portion having a number of paint containers in the inside of a storage body; a cover portion that can open and close the upper side of the storage body of the paint storage portion; a discharge portion which includes discharge tubes, and auxiliary containers paint discharge valves; a sensor portion having sensors which are respectively fixed to the discharge tubes, in which an alarm sound is produced by a buzzer if electric power is short-circuited; an air inlet portion including a 3-way valve which makes pressure of air selectively flow into the center of the cover portion; a dehumidification portion which is connected with an expansion tube where a drain plug that can remove moisture by adiabatic expansion of the compressed air is formed with the 3-way valve in the air inlet portion; and a spray gun which can selectively spray the compressed air through a switch formed in a handle lever.
    Type: Application
    Filed: September 22, 2008
    Publication date: October 28, 2010
    Inventor: Jeong Oh Kwon