Patents by Inventor Zongshen Lai

Zongshen Lai 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).

  • Method of manufacturing external cover edge of molded cup lid and product manufactured by the same
    Patent number: 9624007
    Abstract: A method of manufacturing an external cover edge of a molded cup lid and a product manufactured by the method includes an intermediate product of the molded cup lid made of plant fiber and manufactured by both “pulp suction shaping” and “thermal compression shaping” processes. A protruding-out outer cover edge is formed around the periphery of the intermediate product.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: April 18, 2017
    Assignee: Dandong Mingcheng Environmental Protection Products Co., Ltd.
    Inventors: Zongshen Lai, Jianfeng Chen
  • Method of Manufacturing External Cover Edge of Molded Cup Lid and Product Manufactured by the Same
    Publication number: 20170021979
    Abstract: Disclosed are a method of manufacturing an external cover edge of a molded cup lid and a product manufactured by the method, in which an intermediate product of a the molded cup lid is made of plant fiber and manufacture by both “pulp suction shaping” and “thermal compression shaping” processes, and a protruding-out outer cover edge is formed around the periphery of the intermediate product.
    Type: Application
    Filed: April 15, 2014
    Publication date: January 26, 2017
    Applicant: Dandong Mingcheng Enviornmental Protection Production Co., Ltd.
    Inventors: Zongshen Lai, Jianfeng Chen