Patents by Inventor Dulun Chang

Dulun Chang 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).

  • Publication number: 20180112818
    Abstract: A mounting assembly contains: a body, an engagement strap, and a retaining loop. The body includes an abutting plane, an opposite face, a threaded orifice, a top edge, and a bottom edge, wherein the abutting plane has a connection seat adjacent to the threaded orifice. The engagement strap includes a coupling portion, a pull ring, a toothed section, and a fitting section. The engagement strap is limited on an insertion position and is rotated on an installation position perpendicular to the body. The retaining loop includes an opening and a locking slot, wherein the locking slot accommodates the fitting section, and as the retaining loop moves to the toothed section of the engagement strap, the locking slot movably engages with the toothed section until the retaining loop contacts with a wall, and wherein a part of the engagement strap outside the retaining loop is cut or is snapped off.
    Type: Application
    Filed: October 21, 2016
    Publication date: April 26, 2018
    Inventor: Dulun Chang
  • Patent number: 9339153
    Abstract: A wall mounting bath accessory assembly contains: a fixing mount and a base. The fixing mount includes an inner fence, an outer fence, two peripheral fences, and two through orifices. The inner fence faces to an external face of a wall, each peripheral fence has a flexible wing, and between two free segments of two flexible wings of the two peripheral fences is defined a movable portion. The fixing mount also includes a first locking portion, and the movable portion has a second locking portion opposite to the first locking portion. The base includes a first hooking portion and a second hooking portion, wherein the second hooking portion is hooked with the second locking portion of the movable portion.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: May 17, 2016
    Assignee: Globe Union Industrial Corp.
    Inventors: Dulun Chang, Weimien Hsu
  • Patent number: 8430369
    Abstract: A wall mounting bath accessory assembly contains a fixing member to be locked to a wall including a groove defined therein so that between the groove and the wall is defined a movable space and an upper locking portion disposed on a top end thereof; a sliding member limited to move between an upper dead center and a lower dead center of the movable space and including an upper abutting portion disposed on a top end thereof and a lower locking portion extending from a bottom end thereof; a retaining member located on an outer side of the fixing member and including an upper fastening portion extending from a top end of thereof, and a lower fastening portion extending from a bottom end thereof; a base including a receiving chamber to receive the retaining member, the fixing member, and the sliding member.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: April 30, 2013
    Assignee: Globe Union Industrial Corp.
    Inventors: Weimien Hsu, Dulun Chang, Chunhung Li
  • Publication number: 20110266404
    Abstract: A wall mounting bath accessory assembly contains a fixing member to be locked to a wall including a groove defined therein so that between the groove and the wall is defined a movable space and an upper locking portion disposed on a top end thereof; a sliding member limited to move between an upper dead center and a lower dead center of the movable space and including an upper abutting portion disposed on a top end thereof and a lower locking portion extending from a bottom end thereof; a retaining member located on an outer side of the fixing member and including an upper fastening portion extending from a top end of thereof, and a lower fastening portion extending from a bottom end thereof; a base including a receiving chamber to receive the retaining member, the fixing member, and the sliding member.
    Type: Application
    Filed: April 29, 2010
    Publication date: November 3, 2011
    Inventors: Weimien Hsu, Dulun Chang, Chunhung Li
  • Patent number: D532982
    Type: Grant
    Filed: April 25, 2005
    Date of Patent: December 5, 2006
    Assignee: Globe Union Industrial Corp.
    Inventors: Dulun Chang, Kaku Guo