Patents by Inventor Li Yick Lap

Li Yick Lap 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).

  • Stitchless waterproof insulated products
    Patent number: 7094714
    Abstract: This is a new method for the construction of waterproof insulated products, by creating individual insulation-filled compartments without stitching through the outer shell of the product. This invention further provides methods for constructing waterproof insulation products without requiring the attachment of the individual compartments to the inner lining.
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: August 22, 2006
    Inventors: Li Yick Lap, Darren Li Yick Yin
  • Stitchless waterproof insulated products
    Publication number: 20040259443
    Abstract: This is a new method for the construction of waterproof insulated products, by creating individual insulation-filled compartments without stitching through the outer shell of the product. This invention further provides a method for constructing waterproof insulation products without requiring the attachment of the individual compartments to the inner lining.
    Type: Application
    Filed: January 21, 2004
    Publication date: December 23, 2004
    Inventors: Li Yick Lap, Darren Li Yick Yin
  • Waterproof insulated products
    Publication number: 20040259442
    Abstract: This is a new method for the construction of waterproof down-filled products, by creating individual down-filled compartments without sticking through the outer shell of the product.
    Type: Application
    Filed: June 19, 2003
    Publication date: December 23, 2004
    Inventors: Li Yick Lap, Darren Li Yick Yin
  • Anchored flexure system
    Patent number: 6754918
    Abstract: A design is provided for the construction of an insulating system for use in sleeping bags and other applications in which improved insulation and loft properties are sought. By bending the fibers or netting and attaching an anchor, additional compartments and increased loft are provided. The additional compartments created slow the thermal transfer rate to improve the insulation properties.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: June 29, 2004
    Inventor: Li Yick Lap