Patents by Inventor Yuet Charn Leung

Yuet Charn Leung 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: 20160178926
    Abstract: A modular eyewear has two lenses and a connection device. Each lens has a noncircular connection hole defined through the lens. The connection device is mounted between and connected to the connection holes in the lenses to connect the lenses with each other and has a bridge, two plugs, two sleeves and two lens screws. The bridge is M-shaped and has two ends. The plugs are mounted respectively around the ends of the bridge and are mounted respectively in the connection holes in the lenses. The sleeves are mounted respectively in the connection holes in the lenses and abut respectively on the plugs. The lens screws are mounted respectively through the sleeves and are screwed respectively with the plugs.
    Type: Application
    Filed: September 18, 2013
    Publication date: June 23, 2016
    Inventor: Yuet-Charn LEUNG
  • Patent number: 8157372
    Abstract: A method for assembling a rimless spectacle has acts of forming multiple circular through holes in a lens of the rimless spectacle, forming two cavities respectively at two ends of a diameter of each through hole to form a non-circular connecting hole in the lens with a forming tool and assembling multiple connecting elements to the lens. Each connecting element has a plug securely connected to and held in one of the connecting holes in the lens. The plug has a non-circular cross section corresponding to the shape of the corresponding connecting hole and is slightly bigger than the corresponding connecting hole. In the assembling the connecting elements to the lens, the plug on each connecting element is forced to pressed into and be securely held in the corresponding connecting hole.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: April 17, 2012
    Inventor: Yuet-Charn Leung
  • Publication number: 20100073628
    Abstract: A connection device has a lens and a connecting element. The lens has a non-circular connecting hole defined through the lens near a side of the lens and having a shape. The connecting element may be a temple or a nose bridge of a spectacle, is connected to the lens and has a plug. The plug is securely connected to and held in the connecting hole in the lens and has a non-circular cross section corresponding to the shape of the connecting hole. Accordingly, the plug is easily assembled with the connecting hole in the lens.
    Type: Application
    Filed: September 23, 2008
    Publication date: March 25, 2010
    Inventor: Yuet-Charn Leung
  • Patent number: 7338157
    Abstract: A spectacle has a body and two hinges. The body includes a frame, at least one glass and two temples. The temples are pivotally and respectively connected to the frame, and each temple has a hinge hole define through the temple. The hinges are held respectively in the hinge holes in the temples and are mounted between frame and the temples to respectively pivotally connect the temples to the frame. Each hinge has a base, a securing member and a connecting rod. The base has a bottom and an annular hooking groove defined around the base. The securing member is moveably mounted in the base and engages with the hinge hole in a corresponding one of the temples. The connecting rod is connected to the body and has a C-shaped hook detachably hooking around the hooking groove in the base.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: March 4, 2008
    Inventor: Yuet Charn Leung