Patents by Inventor Deyong Fang

Deyong Fang 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).

  • Wall bushing for air conditioner
    Patent number: 7758083
    Abstract: A wall bushing for an air-conditioner comprises an external pipe and an internal pipe. The cross section of the external pipe is a “sports ground” shape, and an inner circular wall of the external pipe is tangential to an outer circular wall of the internal pipe. An end of the internal pipe is connected to an air outlet port of the air conditioner, and an end of the external pipe is connected to an air inlet port.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: July 20, 2010
    Inventors: Boyang Ni, Zhigang Wang, Deyong Fang
  • Wall Bushing For Air Conditioner
    Publication number: 20080211227
    Abstract: A wall-penetrating sleeve of air conditioner comprises external pipe and internal pipe. The cross section of the external pipe is “sports ground” shape, and an inner circular wall of the external pipe is tangential to an outer circular wall of the internal pipe. An end of the internal pipe is connected to an air outlet port of the air conditioner, and an end of the external pipe is connected to an air inlet port. This invention prevents an air outlet pipe of a mobile air conditioner from sliding off the wall body.
    Type: Application
    Filed: April 13, 2006
    Publication date: September 4, 2008
    Inventors: Boyang Ni, Zhigang Wang, Deyong Fang