Patents by Inventor Kuo-Chi Ko

Kuo-Chi Ko 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: 6920888
    Abstract: A foldable stick assembly includes a foldable tube unit, a sliding handle, a push rod unit, a ratchet socket, an upper ratchet, a pawl member, a lower ratchet, and a push block. The foldable tube unit includes a handle, an upper mounting tube, a lower mounting tube, an upper pivot sleeve, and a lower pivot sleeve. The push rod unit includes a main push rod and an upper push rod. Thus, the foldable stick assembly may be used to cut and remove the weeds and to loosen the soil. In addition, the foldable stick assembly is folded easily and conveniently, so that the volume of the foldable stick assembly is reduced, thereby facilitating storage and transportation of the foldable stick assembly, and thereby decreasing the cost of assembly.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: July 26, 2005
    Inventor: Kuo-Chi Ko
  • Publication number: 20040089334
    Abstract: A foldable stick assembly includes a foldable tube unit, a sliding handle, a push rod unit, a ratchet socket, an upper ratchet, a pawl member, a lower ratchet, and a push block. The foldable tube unit includes a handle, an upper mounting tube, a lower mounting tube, an upper pivot sleeve, and a lower pivot sleeve. The push rod unit includes a main push rod and an upper push rod. Thus, the foldable stick assembly may be used to cut and remove the weeds and to loosen the soil. In addition, the foldable stick assembly is folded easily and conveniently, so that the volume of the foldable stick assembly is reduced, thereby facilitating storage and transportation of the foldable stick assembly, and thereby decreasing the cost of assembly.
    Type: Application
    Filed: November 8, 2002
    Publication date: May 13, 2004
    Inventor: Kuo-Chi Ko
  • Patent number: 5997752
    Abstract: A water treating apparatus for raising oxygen solubility in high-purity drinking water includes a high pressure pump for conveying high-purity drinking water treated by an R. O. treatment, or a U. F. treatment, or a distillation treatment, or a purity treatment into a closed container. An ozone injecter injects ozone in the drinking water conveyed by the high pressure pump. A cooler affixed around the closed container cools the water stored therein to a preset value. A supersonic vibrator stirs the stored drinking water so as to raise oxygen solubility in the drinking water stored in the closed container, and to prolong period of time for sterilization.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: December 7, 1999
    Inventors: Sheng-I Leu, Shun-Chen Chen, Sheng-Shih Cheng, Kuo-Chi Ko
  • Patent number: D477200
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: July 15, 2003
    Inventor: Kuo-Chi Ko
  • Patent number: D714047
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: September 30, 2014
    Inventor: Kuo-Chi Ko