Patents by Inventor Martin Hoi-Lam Chow

Martin Hoi-Lam Chow 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: 7446643
    Abstract: An electrical protection system, which can be connected between an electrical power supply and an electrical load, firstly includes a switch switchable between a normal state in which the switch is electrically connected in series between the power supply and the load such that an operating current passes through the switch and the load, and a fault sate in which the switch is disconnected with the load such that no current passes through the load. The switch switches to the fault state in an over-current or an over-temperature situation.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: November 4, 2008
    Assignee: The Hong Kong Polytechnic University
    Inventors: Yim-Shu Lee, Jianqing Li, Martin Hoi-Lam Chow, Kam-Wah Siu