Patents by Inventor Ginn Yuh Gan

Ginn Yuh Gan 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: 7456608
    Abstract: A cordless screwdriver having a housing (12, 18), having a handle (14), in particular one that is angled in pistol fashion, having a preferably permanently installed rechargeable battery (40), having charging contact tabs (37) for charging the rechargeable battery (40), and having an output spindle (20) is always ready for use and can be picked up quickly because it has a lithium-ion (Li-ion) cell as its rechargeable battery (40) and can be placed onto a charging cradle (22) for an unlimited amount of time, in particular during pauses between uses; the charging mode is automatically initiated and in it, the cordless screwdriver (40), with regard to its output spindle (20), is positioned on the charging cradle (22) so that it is inclined, in particular by approximately 30-45°, in relation to the perpendicular and the end of the output spindle (20) points downward.
    Type: Grant
    Filed: July 24, 2004
    Date of Patent: November 25, 2008
    Assignee: Robert Bosch GmbH
    Inventors: Sven Kageler, Ginn Yuh Gan, Abdul Aziz Zulfikar
  • Patent number: 7197961
    Abstract: A cordless screwdriver, having a housing (12, 18) equipped with a handle (14), having an in particular permanently installed rechargeable battery (40), and having a transmission (72), is particularly compact, lightweight, and strong because the transmission (72), embodied in the form of a sun-and-planet gear, is simply inserted into a hollow, cylindrical transmission housing (18) and can be secured in position in it by an axial securing plate (62); the transmission housing (18) is also provided with an internal gearing and serves as the sun gear as well as being integrated into the reinforcing structure of the cordless screwdriver (10).
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: April 3, 2007
    Assignee: Robert Bosch GmbH
    Inventors: Sven Kageler, Ginn Yuh Gan, Abdul Aziz Zulfikar
  • Patent number: 7134364
    Abstract: A battery-operated screwdriver (10) with a housing (12, 18) with a grip (14), in particular with a fixedly built-in battery (40), and with charging contact tongues (37) for charging the battery (40), is designed as especially compact and lightweight because instead of a boxlike, standard ON/OFF switch, counterpart contacts (34) fixed to the tool are provided, to which a contact plate (32) that is movable by means of an ON/OFF trigger (26) and in the process is coupleable to the counterpart contacts (34) and upon their release is easily releasable, is assigned.
    Type: Grant
    Filed: July 24, 2004
    Date of Patent: November 14, 2006
    Assignee: Robert Bosch GmbH
    Inventors: Sven Kageler, Ginn Yuh Gan, Abdul Aziz Zulfikar
  • Publication number: 20060219059
    Abstract: A cordless screwdriver, having a housing (12, 18) equipped with a handle (14), having an in particular permanently installed rechargeable battery (40), and having a transmission (72), is particularly compact, lightweight, and strong because the transmission (72), embodied in the form of a sun-and-planet gear, is simply inserted into a hollow, cylindrical transmission housing (18) and can be secured in position in it by an axial securing plate (62); the transmission housing (18) is also provided with an internal gearing and serves as the sun gear as well as being integrated into the reinforcing structure of the cordless screwdriver (10).
    Type: Application
    Filed: July 21, 2004
    Publication date: October 5, 2006
    Inventors: Sven Kageler, Ginn Yuh Gan, Abdul Aziz Zulfikar
  • Publication number: 20060213333
    Abstract: A battery-operated screwdriver (10) with a housing (12, 18) with a grip (14), in particular with a fixedly built-in battery (40), and with charging contact tongues (37) for charging the battery (40), is designed as especially compact and lightweight because instead of a boxlike, standard ON/OFF switch, counterpart contacts (34) fixed to the tool are provided, to which a contact plate (32) that is movable by means of an ON/OFF trigger (26) and in the process is coupleable to the counterpart contacts (34) and upon their release is easily releasable, is assigned.
    Type: Application
    Filed: July 24, 2004
    Publication date: September 28, 2006
    Inventors: Sven Kageler, Ginn Yuh Gan, Abdul Aziz Zulfikar
  • Publication number: 20060192527
    Abstract: A cordless screwdriver having a housing (12, 18), having a handle (14), in particular one that is angled in pistol fashion, having a preferably permanently installed rechargeable battery (40), having charging contact tabs (37) for charging the rechargeable battery (40), and having an output spindle (20) is always ready for use and can be picked up quickly because it has a lithium-ion (Li-ion) cell as its rechargeable battery (40) and can be placed onto a charging cradle (22) for an unlimited amount of time, in particular during pauses between uses; the charging mode is automatically initiated and in it, the cordless screwdriver (40), with regard to its output spindle (20), is positioned on the charging cradle (22) so that it is inclined, in particular by approximately 30-45°, in relation to the perpendicular and the end of the output spindle (20) points downward.
    Type: Application
    Filed: July 24, 2004
    Publication date: August 31, 2006
    Inventors: Sven Kageler, Ginn Yuh Gan, Abdul Aziz Zulfikar