Patents by Inventor Zengqiang Wang

Zengqiang Wang 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).

  • LASER-WELDED HEAT EXCHANGER TUBE ASSEMBLY
    Publication number: 20100175861
    Abstract: A tube assembly for a beat exchanger is provided having a first U-shaped stainless steel assembly component and a second U-shaped stainless steel assembly component. In addition, the tube assembly has at least one laser-welded joint coupling the first and second U-shaped assembly components together. The laser-welded joint has a weld that extends along substantially an entire length of the tube assembly.
    Type: Application
    Filed: March 25, 2010
    Publication date: July 15, 2010
    Applicant: Caterpillar Inc.
    Inventors: Jiubo Ma, Zhishang Yang, Shizhu Zhao, Shoudu Zhang, Yuexuan Sheng, Lianmin Yang, Zengqiang Wang, Fuqiang Chen, Xinqiang Xu