Patents by Inventor Wang Gang

Wang Gang 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: 20220394831
    Abstract: An LED driver for an LED lamp, which also comprises an LED load. The LED driver is adapted to connect to an input source at a first and second terminal. The LED driver comprises a switching arrangement configured to enable a controller to control at least a magnitude and phase of the voltage between the first and second terminals. The phase of the voltage between the first and second terminals may be defined to control an amount of power that flows from the input source to power the LED lamp.
    Type: Application
    Filed: October 20, 2020
    Publication date: December 8, 2022
    Inventors: PAUL ROBERT VELDMAN, JIE FU, HAIMIN TAO, WANG GANG, ZHIQUAN CHEN, JIAN LONGQUI
  • Patent number: 10391625
    Abstract: An apparatus can include a workbench and a dockable cart. In an example, the apparatus can include a workbench frame including a first storage space and a docking area. A holding member can be coupled to the workbench frame to support the dockable cart using the workbench frame. The dockable cart can include a cart frame having a second storage space and a support element. In an example, the dockable cart can be moveable between a docked position and an undocked position. In the docked position, the support element can be engaged with the holding member to dock the dockable cart with the workbench frame including lifting the dockable cart. In the undocked position the dockable cart can be separated from the workbench.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: August 27, 2019
    Assignee: Shanghai Cartec Industrial and Trading Co., Ltd.
    Inventors: Wang Gang, Xie Ying
  • Publication number: 20180147716
    Abstract: An apparatus can include a workbench and a dockable cart. In an example, the apparatus can include a workbench frame including a first storage space and a docking area. A holding member can be coupled to the workbench frame to support the dockable cart using the workbench frame. The dockable cart can include a cart frame having a second storage space and a support element. In an example, the dockable cart can be moveable between a docked position and an undocked position. In the docked position, the support element can be engaged with the holding member to dock the dockable cart with the workbench frame including lifting the dockable cart. In the undocked position the dockable cart can be separated from the workbench.
    Type: Application
    Filed: November 29, 2016
    Publication date: May 31, 2018
    Inventors: Wang Gang, Xie Ying
  • Patent number: 8162193
    Abstract: The present invention relates to cargo carrier. The cargo carrier attaches to a vehicle and includes a platform, an upper frame, a plurality of vertical supports, a support sleeve and a support beam. The platform itself is constructed from a plurality of longitudinal support members and a plurality of cross members that interfit with each other via a channel design and/or a shoulder and notch system. The platform is then mounted to a vehicle by attaching the support sleeve and support beam to an existing vehicle hitch. Once attached, the platform may be loaded with heavy items for transport.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: April 24, 2012
    Assignee: Harbor Freight Tools USA, Inc.
    Inventor: Wang Gang
  • Patent number: 7661171
    Abstract: The present invention relates to a ramp. The ramp includes at least two stiles. Each stile has a top, a bottom and four sides. A plurality of shoulders are equally spaced apart and mounted on one side of each stile. A plurality of rungs are aligned with the shoulders. Each rung has a right end, a left end and four sides. A plurality of notches are located on the right end and left end of each rung. The number of shoulders equals the number of the notches and the shoulders and notches are tightly fitted together to form the ramp.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: February 16, 2010
    Assignee: Central Purchasing LLC
    Inventor: Wang Gang
  • Publication number: 20090178214
    Abstract: The present invention relates to a ramp. The ramp includes at least two stiles. Each stile has a top, a bottom and four sides. A plurality of shoulders are equally spaced apart and mounted on one side of each stile. A plurality of rungs are aligned with the shoulders. Each rung has a right end, a left end and four sides. A plurality of notches are located on the right end and left end of each rung. The number of shoulders equals the number of the notches and the shoulders and notches are tightly fitted together to form the ramp.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Applicant: Central Purchasing, LLC
    Inventor: Wang Gang
  • Publication number: 20090180853
    Abstract: The present invention relates to cargo carrier. The cargo carrier attaches to a vehicle and includes a platform, an upper frame, a plurality of vertical supports, a support sleeve and a support beam. The platform itself is constructed from a plurality of longitudinal support members and a plurality of cross members that interfit with each other via a channel design and/or a shoulder and notch system. The platform is then mounted to a vehicle by attaching the support sleeve and support beam to an existing vehicle hitch. Once attached, the platform may be loaded with heavy items for transport.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Applicant: Central Purchasing, LLC.
    Inventor: Wang Gang
  • Patent number: 7097406
    Abstract: A skate for a wheel assembly of a motor vehicle is used to maneuver the vehicle in confined spaces. The wheel skate has a U-shaped frame fitted to the wheel assembly by adjusting the width of the expandable/contractible frame until the unit is wide enough to position a plurality of rollers in engagement with opposing sides of the tire of the wheel assembly. A foot pedal lever is operated to contract the frame assembly and raise the tire clear of the garage floor. A locking knob drops into a hole in the frame assembly to lock the position of the frame assembly. A fork drives the frame assembly together. The locking knob does not move into the following hole until the fork is moved into another hole. The device is used in pairs which are attached to either the front or back wheels in order to swing one end of the vehicle around.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: August 29, 2006
    Inventor: Wang Gang