Patents by Inventor Hualian Chen

Hualian Chen 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).

  • Adjustable bed carriage
    Patent number: 7134155
    Abstract: An adjustable bed carriage for supporting a main bed frame above a substantially planar floor. The adjustable bed carriage has one or more first legs, each with an upper end slidably attached to a first end of the main bed frame, and one or more second legs, each with an upper end pivotably attached to a second end of the main bed frame. Each first leg is paired with a second leg, and they are pivotably connected to each other at a central pivot located substantially at a midpoint of each. The carriage also includes a first caster base with one or more first casters for engaging the floor, the first leg being attached to the first caster base. Also, the carriage has a second caster base with one or more second casters for engaging the floor, the second leg being attached to the second caster base.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: November 14, 2006
    Assignee: M.C. Healthcare Products Inc.
    Inventors: Brian Freeborn, Ted House, Geoff Rutherford, Hualian Chen
  • Adjustable bed carriage
    Publication number: 20050091747
    Abstract: An adjustable bed carriage for supporting a main bed frame above a substantially planar floor. The adjustable bed carriage has one or more first legs, each with an upper end slidably attached to a first end of the main bed frame, and one or more second legs, each with an upper end pivotably attached to a second end of the main bed frame. Each first leg is paired with a second leg, and they are pivotably connected to each other at a central pivot located substantially at a midpoint of each. The carriage also includes a first caster base with one or more first casters for engaging the floor, the first leg being attached to the first caster base. Also, the carriage has a second caster base with one or more second casters for engaging the floor, the second leg being attached to the second caster base.
    Type: Application
    Filed: October 1, 2004
    Publication date: May 5, 2005
    Applicant: M.C. Healthcare Products Inc.
    Inventors: Brian Freeborn, Ted House, Geoff Rutherford, Hualian Chen