Patents by Inventor Joseph Siang Choon Lim

Joseph Siang Choon Lim 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).

  • Cordless screwdriver
    Patent number: 7498526
    Abstract: A cordless screwdriver, having a housing (12, 18) with a pistol grip (14) with an ON/OFF button (26) and a rechargeable battery (40) inserted into it, in particular fixedly and with charging contact tongues (37) associated with the battery (40), is made safer and more convenient by providing that by means of the toggle switch (26), extending in elongated fashion over the inside of the pistol grip (14) and in particular pivotably supported, a plurality of power circuits of the cordless screwdriver (10) are interruptable and closable over the actuation stroke of the toggle switch successively independently of one another.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: March 3, 2009
    Assignee: Robert Bosch GmbH
    Inventors: Guenter Lohr, Heiko Roehm, Wolfgang Hirschburger, Sven Kageler, Mohsein Wan, Abdul Aziz Zulfikar, Sim Teik Yeoh, Joseph Siang Choon Lim