Patents by Inventor K.S. Hwang

K.S. Hwang 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).

  • Publication number: 20100033335
    Abstract: The present invention includes a frame that is quickly and easily assembled and disassembled. The frame may be used for supporting a portable forced air heater, or other similar equipment. Handles, supports, and optionally a wheel assembly is assembled to two core members using snap lock buttons. In a preferred embodiment, the portable forced air heater includes a maintenance clock for measuring and recording operational parameters of a portable forced air heater, and for notifying a user that maintenance is required.
    Type: Application
    Filed: September 30, 2009
    Publication date: February 11, 2010
    Applicants: PINNACLE PRODUCTS INTERNATIONAL, INC., SP ELEMECH
    Inventors: Steve McCalley, K.S. Hwang
  • Publication number: 20080203267
    Abstract: The present invention includes a frame that is quickly and easily assembled and disassembled. The frame may be used for supporting a portable forced air heater, or other similar equipment. Handles, supports, and optionally a wheel assembly is assembled to two core members using snap lock buttons. In a preferred embodiment, the portable forced air heater includes a maintenance clock for measuring and recording operational parameters of a portable forced air heater, and for notifying a user that maintenance is required.
    Type: Application
    Filed: February 27, 2007
    Publication date: August 28, 2008
    Applicants: Pinnacle Products International, Inc., SP Elemech
    Inventors: Steve McCalley, K.S. Hwang
  • Patent number: 4786444
    Abstract: An apparatus and method is described which is useful in manufacturing molded optical devices. The apparatus and method provide automatic alignment of the mold elements so that cylinder and prism free lenses are provided.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: November 22, 1988
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Kirk K. S. Hwang