Patents by Inventor Ming Chuan Chien

Ming Chuan Chien 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: 7866839
    Abstract: A hand tool with illuminating device includes a hollow handle with a battery unit and an illuminating unit received therein. A transparent seat is fixedly connected to a first end of the handle and includes a ratchet mechanism received therein and a tubular member is fixed to the transparent seat. A driver bit is removably inserted in the tubular member. A switch unit is connected to the second end of the handle and includes a switch member and an end cap is connected to the handle to avoid the switch member from dropping from the handle. A control device is located between the switch member and the end cap so as to control the operation of the illuminating unit.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: January 11, 2011
    Inventor: Ming-Chuan Chien
  • Publication number: 20100296271
    Abstract: A hand tool with illuminating device includes a hollow handle with a battery unit and an illuminating unit received therein. A transparent seat is fixedly connected to a first end of the handle and includes a ratchet mechanism received therein and a tubular member is fixed to the transparent seat. A driver bit is removably inserted in the tubular member. A switch unit is connected to the second end of the handle and includes a switch member and an end cap is connected to the handle to avoid the switch member from dropping from the handle. A control device is located between the switch member and the end cap so as to control the operation of the illuminating unit.
    Type: Application
    Filed: July 9, 2007
    Publication date: November 25, 2010
    Inventor: Ming-Chuan Chien
  • Publication number: 20070097676
    Abstract: A two-usage light including a barrel body, a light shade, a rear cap and a cock body. The barrel body has an internal receiving space and at least one opening at rear end of the barrel body, whereby a power supply can be mounted into the receiving space from the opening. A press button is disposed on the barrel body corresponding to the power supply. At least one LED bulb is laid at front end of the barrel body and electrically connected with the power supply. A reflective mirror seat is arranged in the front end of the barrel body around the LED bulb. The light shade is made of transparent material. A first end of the light shade has a first connecting section for screwing with the front end of the barrel body and a second end of the light shade has a second connecting section. The rear cap is screwed in the rear end of the barrel body. A rear end of the rear cap has a fourth connecting section.
    Type: Application
    Filed: November 3, 2005
    Publication date: May 3, 2007
    Inventor: Ming-Chuan Chien
  • Patent number: 7140748
    Abstract: An LED flashlight including a barrel body and a press button disposed on the barrel body. An inner barrel is disposed in a receiving space of the barrel body. The inner barrel has support structures for supporting a circuit board to which the pressing force of the press button is applied. Accordingly, when pressing down the press button, the support structures can bear the pressing force so as to protect the circuit board and prolong using life of the LED flashlight.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: November 28, 2006
    Inventor: Ming-Chuan Chien
  • Publication number: 20060203477
    Abstract: An LED flashlight including a barrel body and a press button disposed on the barrel body. An inner barrel is disposed in a receiving space of the barrel body. The inner barrel has support structures for supporting a circuit board to which the pressing force of the press button is applied. Accordingly, when pressing down the press button, the support structures can bear the pressing force so as to protect the circuit board and prolong using life of the LED flashlight.
    Type: Application
    Filed: March 14, 2005
    Publication date: September 14, 2006
    Inventor: Ming-Chuan Chien
  • Patent number: D520661
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: May 9, 2006
    Inventor: Ming Chuan Chien
  • Patent number: D569210
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: May 20, 2008
    Inventor: Ming-Chuan Chien