Patents by Inventor Wenrong LIM

Wenrong 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).

  • ROTOR-ARM ASSEMBLY AND A MULTI-ROTORCRAFT
    Publication number: 20130287577
    Abstract: Various embodiments provide a rotor-arm assembly for a multi-rotorcraft, the rotor-arm assembly comprising: a plurality of rotor-arms, each rotor-arm comprising a rotor assembly at a distal end portion and a body portion connector at a proximal end portion, the body portion connector having a screw thread; and a body portion comprising a plurality of rotor-arm connectors, each rotor-arm connector having a screw thread; wherein the screw-thread of each body portion connector is configured in use to engage with the screw-thread of one of the rotor-arm connectors to detachably attach each rotor-arm to the body portion.
    Type: Application
    Filed: March 25, 2013
    Publication date: October 31, 2013
    Inventors: Zhikang LIN, Wenrong LIM, Randy Yau Kee LEONG