Patents by Inventor Yueming Liu

Yueming Liu 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).

  • ROAD-RAIL DUAL PURPOSE QUICK DISASSEMBLY AND ASSEMBLY TYPE RAIL GRINDING MAINTENANCE ROBOT
    Publication number: 20240218608
    Abstract: Provided is a road-rail dual purpose quick disassembly and assembly type rail grinding maintenance robot, including a left robot grinding unit, a right robot grinding unit and quick unit connecting devices. The two robot grinding units are fixedly connected to the left and right sides of the quick unit connecting devices by the quick unit connecting devices so as to achieve quick assembly and disassembly of the robot. Each of the robot grinding units includes a robot grinding device, a rail walking device, road walking devices, a frame, a shell component and an electric control component. The robot grinding device is fixedly installed on the inner side of the upper part of the frame. The rail walking device and the road walking devices are fixedly installed at the bottom of the frame. The degree of intelligent and flexible of rail grinding operation can be significantly improved.
    Type: Application
    Filed: September 6, 2023
    Publication date: July 4, 2024
    Applicant: Beijing Jiaotong University
    Inventors: Wengang FAN, Yi WANG, Zhiwei WU, Jiang LI, Jianyong LI, Yueming LIU, Meng NIE, Kang XU
  • Cycloalkane oxidation catalysts and method to produce alcohols and ketones
    Patent number: 9708238
    Abstract: Disclosed is a method of oxidizing a cycloalkane to form a product mixture containing a corresponding alcohol and ketone, said method comprising contacting a cycloalkane with a hydroperoxide in the presence of a catalytic effective amount of a crystalline MWW-type titanosilicate catalyst. Hydroperoxides may notably be tert-butyl hydroperoxide, tert-amyl hydroperoxide, cumene hydroperoxide, ethylbenzene hydroperoxide, cyclohexyl hydroperoxide, methylcyclohexyl hydroperoxide, tetralin hydroperoxide, isobutylbenzene hydroperoxide, and ethylnaphthalene hydroperoxide.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: July 18, 2017
    Assignees: Rhodia Operations, East China Normal University, Ecole Normale Superieure De Lyon
    Inventors: Floryan Decampo, Wenjuan Zhou, Peng Wu, Kai Xue, Yueming Liu, Mingyuan He
  • Cycloalkane Oxidation Catalysts and Method to Produce Alcohols and Ketones
    Publication number: 20150175514
    Abstract: Disclosed is a method of oxidizing a cycloalkane to form a product mixture containing a corresponding alcohol and ketone, said method comprising contacting a cycloalkane with a hydroperoxide in the presence of a catalytic effective amount of a crystalline MWW-type titanosilicate catalyst. Hydroperoxides may notably be tert-butyl hydroperoxide, tert-amyl hydroperoxide, cumene hydroperoxide, ethylbenzene hydroperoxide, cyclohexyl hydroperoxide, methylcyclohexyl hydroperoxide, tetralin hydroperoxide, isobutylbenzene hydroperoxide, and ethylnaphthalene hydroperoxide.
    Type: Application
    Filed: July 26, 2012
    Publication date: June 25, 2015
    Inventors: Floryan Decampo, Wenjuan Zhou, Peng Wu, Kai Xue, Yueming Liu, Mingyuan He