Patents by Inventor Qiu Feng

Qiu Feng 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).

  • MOLDING COMPONENTS
    Publication number: 20180264694
    Abstract: Examples of techniques for molding molded components are described herein. In an example, a molding apparatus for molding a molded component includes a first mold-half comprising a mold-facing surface, and a slider member mounted on the first mold-half and movable substantially along the mold-facing surface. The first mold-half and the slider member can form a part of a mold cavity therebetween. Further, the molding apparatus includes a second mold-half to cooperate with the first mold-half to complete the mold cavity with the first mold-half and the slider member. The slider member is movable to modify a draft angle provided in the mold cavity.
    Type: Application
    Filed: November 11, 2015
    Publication date: September 20, 2018
    Inventors: WEI-FENG YEN, QIU FENG YU, CHIENCHIH CHIU, BIN CHEN
  • Method of de-watering a slurry mixture from a jet-grouting operation and aqueous suspension for use therein
    Patent number: 7618541
    Abstract: A method of de-watering a slurry mixture produced from a jet grouting operation, comprising the addition to the mixture of a high MW polyethylene oxide polymer, in such manner that it is uniformly distributed therein. The solids of the slurry are left in an easily and inexpensively-disposable form.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: November 17, 2009
    Assignee: Construction Research & Technology GmbH
    Inventor: Qiu Feng
  • Method of de-watering a slurry mixture from a jet-grouting operation and aqueous suspension for use therein
    Publication number: 20070003378
    Abstract: A method of de-watering a slurry mixture produced from a jet grouting operation, comprising the addition to the mixture of a high MW polyethylene oxide polymer, in such manner that it is uniformly distributed therein. The solids of the slurry are left in an easily and inexpensively-disposable form.
    Type: Application
    Filed: February 27, 2004
    Publication date: January 4, 2007
    Inventor: Qiu Feng