Patents by Inventor Yanping Lang

Yanping Lang 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 for heat transfer
    Patent number: 9891009
    Abstract: A tube for heat transfer in which the inner surface of the tube is grooved into a pattern. The pattern includes a first fin (10) and a second fin (20) which have different shapes, wherein the first fin comprises a shaft and a head integrally formed, the shaft extending from the inner surface in a direction away from the inner surface, the head extending from the shaft in a direction away from the inner surface. In a transverse cross section of the tube, the circumferential width of the head is larger than that of the shaft.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: February 13, 2018
    Assignee: LUVATA ALLTOP (ZHONGSHAN) LTD.
    Inventor: Yanping Lang
  • A TUBE FOR HEAT TRANSFER
    Publication number: 20160138877
    Abstract: A tube for heat transfer in which the inner surface of the tube is grooved into a pattern. The pattern includes a first fin (10) and a second fin (20) which have different shapes, wherein the first fin comprises a shaft and a head integrally formed, the shaft extending from the inner surface in a direction away from the inner surface, the head extending from the shaft in a direction away from the inner surface. In a transverse cross section of the tube, the circumferential width of the head is larger than that of the shaft.
    Type: Application
    Filed: July 11, 2014
    Publication date: May 19, 2016
    Inventor: Yanping LANG
  • A GROOVED TUBE
    Publication number: 20150316329
    Abstract: The present disclosure presents a seamless grooved tube. The inner surface of the tube is grooved into a pattern, the pattern including at least one rib (1). At least a part of the at least one rib is roughened.
    Type: Application
    Filed: November 6, 2013
    Publication date: November 5, 2015
    Inventor: Yanping Lang