Patents by Inventor Yen Wu Ling

Yen Wu Ling 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: 20150342804
    Abstract: A foldable trolley for supporting a stretcher, including a foldable frame having a pair of vertical support members that are rigidly secured to each other by a first horizontal member, and a pair of elongated frame members that are pivotally secured to the pair of vertical support members at their respective bottom ends and rigidly connected by a second horizontal member, a wheel assembly including a first wheel and a second wheel rotatably attached to a corresponding vertical support member, and a plurality of clamp assemblies, each clamp assembly being mounted to a top end of each vertical support member and each elongated frame members, each clamp assembly being movable between a closed position and an open position.
    Type: Application
    Filed: October 31, 2014
    Publication date: December 3, 2015
    Inventor: Yen Wu Ling
  • Patent number: 9192528
    Abstract: A foldable trolley for supporting a stretcher, including a foldable frame having a pair of vertical support members that are rigidly secured to each other by a first horizontal member, and a pair of elongated frame members that are pivotally secured to the pair of vertical support members at their respective bottom ends and rigidly connected by a second horizontal member, a wheel assembly including a first wheel and a second wheel rotatably attached to a corresponding vertical support member, and a plurality of clamp assemblies, each clamp assembly being mounted to a top end of each vertical support member and each elongated frame members, each clamp assembly being movable between a closed position and an open position.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: November 24, 2015
    Inventor: Yen Wu Ling
  • Publication number: 20150089737
    Abstract: A foldable bed, including a frame with a first end and a second end, a pair of side rails, each side rail including a first end disposed at the first end of the frame and a second end disposed at the second end of the frame, each side rail being parallel to a longitudinal center axis of the bed, at least one leg assembly secured to the pair of side rails, and an end rail including a first portion, a second portion and a center hinge. The first portion and second portion each including a proximal end secured to the center hinge and a distal end rotatably secured to the first end of a corresponding side rail so that the first and second portions of the end rail are movable from a first position in which the first and second portions of the end rail are axially aligned, to a second position in which the first and second portions are substantially parallel to each other.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 2, 2015
    Applicant: Golden Seasons PTE Ltd.
    Inventor: Yen Wu Ling