Patents by Inventor Wai Lun Alan Sun

Wai Lun Alan Sun 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: 8152178
    Abstract: The present invention relates to a shopping bag with a detachable wheel chassis, comprising a bag body having bag handles and a receiving portion disposed on its bottom, and a two-wheel chassis detachably configured to bear and hold the bag body thereon. The chassis is made of a piece of resilient metal wire and has a configuration having a downwardly extended supporting portion, two oppositely and inwardly inserting portions adapted to be received in the receiving portion of the bag body, and two end portions on which the two wheels are rotatably mounted. The shopping bag of the invention is convenient to use, low in cost, simple in structure, and also finds a wide range of applications. The invention also provides a two-wheel chassis detachably configured to bear and hold an article having a relatively flat bottom and a receiving portion on the flat bottom.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: April 10, 2012
    Inventors: Wai Lun Alan Sun, Bit Shing Victor Sun
  • Publication number: 20100001030
    Abstract: The present invention relates to a shopping bag with a detachable wheel chassis, comprising a bag body having bag handles and a receiving portion disposed on its bottom, and a two-wheel chassis detachably configured to bear and hold the bag body thereon. The chassis is made of a piece of resilient metal wire and has a configuration having a downwardly extended supporting portion, two oppositely and inwardly inserting portions adapted to be received in the receiving portion of the bag body, and two end portions on which the two wheels are rotatably mounted. The shopping bag of the invention is convenient to use, low in cost, simple in structure, and also finds a wide range of applications. The invention also provides a two-wheel chassis detachably configured to bear and hold an article having a relatively flat bottom and a receiving portion on the flat bottom.
    Type: Application
    Filed: September 8, 2009
    Publication date: January 7, 2010
    Inventors: Wai Lun Alan SUN, Bit Shing Victor Sun
  • Publication number: 20090140504
    Abstract: The present invention relates to a shopping bag with a detachable wheel chassis. Said shopping bag comprises a bag body having bag handles and receiving portion on its bottom; and a wheel chassis connected with the shopping bag body in an inserting manner, which includes a pair of wheels and a shaft on two ends of which the wheels are respectively fitted by means of fixing elements and on which a supporting assembly including a supporting rod, two supporting members and a bracket is provided, and an inserting element is also provided wherein the inserting element can be inserted into the receiving portion of the bag body. Such a shopping bag has the advantages of simple structure producible in various sizes, ease of use, force saving and easily marketed.
    Type: Application
    Filed: March 26, 2008
    Publication date: June 4, 2009
    Inventor: Wai Lun Alan SUN