Patents by Inventor Cao Jianying

Cao Jianying 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).

  • Tube with fins having wings
    Patent number: 9844807
    Abstract: Fins are formed monolithically from the material of a tube body. The fins extend from the tube body outer surface, and include a fin base and a fin top. Wings extending from a fin side surface between the fin base and fin top can produce upper and lower channels between adjacent fins. Depressions can be formed in the fin top with platforms below the depressions. The tube can also include helical ridges on an inner surface of the tube. The tubes are used for heat transfer, and can be included in shell and tube heat exchangers.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: December 19, 2017
    Assignee: Wieland-Werke AG
    Inventors: Qiu Yalin, Wu Yongquing, Cao Jianying, Luo Zhong
  • TUBE WITH FINS HAVING WINGS
    Publication number: 20090260792
    Abstract: Fins are formed monolithically from the material of a tube body. The fins extend from the tube body outer surface, and include a fin base and a fin top. Wings extending from a fin side surface between the fin base and fin top can produce upper and lower channels between adjacent fins. Depressions can be formed in the fin top with platforms below the depressions. The tube can also include helical ridges on an inner surface of the tube. The tubes are used for heat transfer, and can be included in shell and tube heat exchangers.
    Type: Application
    Filed: April 16, 2008
    Publication date: October 22, 2009
    Applicant: Wolverine Tube, Inc.
    Inventors: Qiu Yalin, Wu Yongquing, Cao Jianying, Luo Zhong