Patents by Inventor Abraham Yu

Abraham Yu 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: 5441172
    Abstract: A dispensing apparatus for automatically dispensing the paste-like content of a collapsible tube. The apparatus includes a housing having an outer door and an inner door hinged at the bottom to close a bottom opening and two pairs of vertical racks. A collapsible paste tube, installed inside the housing to hold a paste-like content. A dispensing unit consisting of two rollers, moved along the vertical racks to squeeze a fixed amount of the paste-like content out of the collapsible paste tube. A transmission gear unit driven to turn the rollers causes them to be moved along the vertical racks, and an induction type actuator controlled to detect the presence of a pick-up device for picking up the dispensed paste-like content from the collapsible paste tube by an electric eye and to turn the dispensing unit through the transmission gear unit by a first motor and to open the outer door by a second motor upon the detection of the presence of the pick-up device.
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: August 15, 1995
    Inventor: Abraham Yu
  • Patent number: 5400234
    Abstract: A light includes a light tube, a housing for receiving the light tube, a handle pivotally linked to the housing, a hook pivotally linked to the handle, a U-shaped brace pivotally linked to the housing; a cap pivotally linked to the U-shaped brace, a hollow post threadably engageable with the cap, a tripod attached to the cap so that the tripod is hidden in the hollow post when the is cap is engaged with the hollow post, a hollow base being pivotally linked to the hollow post and a clip pivotally linked to the hollow base.
    Type: Grant
    Filed: March 9, 1994
    Date of Patent: March 21, 1995
    Inventor: Abraham Yu
  • Patent number: D350619
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: September 13, 1994
    Inventor: Abraham Yu