Patents by Inventor Ching-Hai Wang

Ching-Hai 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).

  • Patent number: 7887250
    Abstract: A joint structure for aluminum windows which includes a first vertical frame having a first side provided with two joint members, and a sliding guide arranged at a center of the first side and between the first joint members, a second vertical frame having a first side provided with two second joint members, and a sliding guide arranged at a center of the first side and between the two second joint members, and a joint plate having two sides each provided with two joint members and a sliding rail between the two joint members, the joint members of the joint plate being adapted to engage with the joint members of the vertical frames, the sliding rail being adapted to engage with the sliding guide, the joint plate having two ends each provided with an accommodating groove, and a leak proof rubber fitted in the accommodating groove.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: February 15, 2011
    Inventor: Ching-Hai Wang
  • Publication number: 20110023407
    Abstract: A joint structure for aluminum windows which includes a first vertical frame having a first side provided with two joint members, and a sliding guide arranged at a center of the first side and between the first joint members, a second vertical frame having a first side provided with two second joint members, and a sliding guide arranged at a center of the first side and between the two second joint members, and a joint plate having two sides each provided with two joint members and a sliding rail between the two joint members, the joint members of the joint plate being adapted to engage with the joint members of the vertical frames, the sliding rail being adapted to engage with the sliding guide, the joint plate having two ends each provided with an accommodating groove, and a leak proof rubber fitted in the accommodating groove.
    Type: Application
    Filed: October 15, 2010
    Publication date: February 3, 2011
    Inventor: CHING-HAI WANG