Patents by Inventor K. C. CHIANG

K. C. CHIANG 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: 9566738
    Abstract: A method for manufacturing a handheld priming pump is disclosed. It is capable of being automatic production and increase production yield after being modularized. The production time may be shortened and the defect rate may be also reduced.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: February 14, 2017
    Assignee: GEE-CHANG NYLON PLASTIC CO., LTD.
    Inventor: K. C. Chiang
  • Publication number: 20160136863
    Abstract: A method for manufacturing a handheld priming pump is disclosed. It is capable of being automatic production and increase production yield after being modularized. The production time may be shortened and the defect rate may be also reduced.
    Type: Application
    Filed: November 14, 2014
    Publication date: May 19, 2016
    Inventor: K. C. CHIANG
  • Publication number: 20120042844
    Abstract: A handheld primer bulb structure includes an outer layer, an inner layer, an intermediate layer and a chamber. The outer layer is made of a thermoplastic elastic material and has the configuration of a spherical body. The inner layer is made of a fluoroplastic material (fluorocarbon polymer) and disposed on an inner face of the outer layer. The intermediate layer is disposed between the outer layer and the inner layer for affixing the inner layer and the outer layer to each other. The chamber is surrounded and defined by the outer layer and the inner layer and the intermediate layer and has two openings.
    Type: Application
    Filed: August 21, 2010
    Publication date: February 23, 2012
    Inventor: K. C. CHIANG