Patents by Inventor Kai Weng

Kai Weng 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).

  • FRACTURING PROPPING AGENT AND PREPARATION METHOD OF FRACTURING PROPPING AGENT BY USING OIL SLUDGE PRODUCED IN EXPLOITED OF OIL AND GAS FIELD
    Publication number: 20240067869
    Abstract: The present disclosure relates to a fracturing propping agent and a preparation method thereof. The fracturing propping agent comprises the following raw materials: dry sludge, quartz sand, coal ash, bauxite and clay.
    Type: Application
    Filed: November 11, 2022
    Publication date: February 29, 2024
    Inventors: Changming Su, Zhanqing Qu, Xinwu Zhu, Zuochen Li, Yuping Fan, Wei Liu, Wen Su, Kai Weng
  • Fracturing propping agent and preparation method of fracturing propping agent by using oil sludge produced in exploited of oil and gas field
    Patent number: 11898099
    Abstract: The present disclosure relates to a fracturing propping agent and a preparation method thereof. The fracturing propping agent comprises the following raw materials: dry sludge, quartz sand, coal ash, bauxite and clay.
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: February 13, 2024
    Assignee: LIAONING HUAYE ENERGY TECHNOLOGY SERVICE CO., LTD.
    Inventors: Changming Su, Zhanqing Qu, Xinwu Zhu, Zuochen Li, Yuping Fan, Wei Liu, Wen Su, Kai Weng
  • Scalable methods for purification of recombinant viruses
    Patent number: 11879139
    Abstract: The present disclosure provides a scalable and cost-effective method of purifying recombinant viruses, such as recombinant lentiviruses. Also provided herein are recombinant viruses (e.g., lentiviruses) purified using the methods provided herein, which have a low level of impurities and high activity retention.
    Type: Grant
    Filed: October 25, 2022
    Date of Patent: January 23, 2024
    Assignee: PORTON ADVANCED SOLUTIONS LTD.
    Inventors: Dichao Hu, Chuanzhen Pi, Kai Weng, Jinbo Guo, Hailong Liu, Yangzhou Wang, Weimeng Zhang, Jun Hua
  • Mobile containerized autopsy facility
    Publication number: 20070132262
    Abstract: A mobile containerized autopsy facility for use in distant contamination zones, comprising at least one enclosure which includes at least one seamless and sealable compartment, which compartment meets biohazard safety level 3 and 4 requirements. The facility consists of enclosures that are most commonly a conversion of at least one standard 40×8×9.5 foot refrigerated cargo container that may be easily transported by trailers or by air to remote sites and be operational without the dependence on local infrastructure.
    Type: Application
    Filed: October 23, 2003
    Publication date: June 14, 2007
    Inventors: Paul Chui Peng Sun, Tim Weng, Kai Weng