Patents by Inventor Liming Xin

Liming Xin 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).

  • AIR FILTER
    Publication number: 20170028338
    Abstract: Some embodiments of the present disclosure relate to improving or overcoming at least one problem in existing air filters by including at least one folding structure in or on the air filter. The folding structure is capable of being bent to enable the air filter to be wrapped around or secured to a, for example, washing net. The folding structure can also hold the air filter securely to the, for example, washing net.
    Type: Application
    Filed: January 22, 2015
    Publication date: February 2, 2017
    Inventors: Liming Xin, Andrew R. Fox, Liang Cheng, Changwen Li, Rui Chen
  • AIR QUALITY INDICATOR
    Publication number: 20160310884
    Abstract: An air quality indicator for indicating high fine particle levels in an environment of interest. The indicator includes a frame maintaining first and second air filter media. The first air filter medium differs from the second air filter medium at least in terms of a change in visual appearance (e.g., color) when subjected to air flow containing fine particles.
    Type: Application
    Filed: December 3, 2014
    Publication date: October 27, 2016
    Applicant: 3M Innovative Properties Company
    Inventors: Andrew R. Fox, Liming Xin
  • Note dispenser
    Patent number: D709553
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: July 22, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rongxia Yao, Liming Xin, Gianmauro Vella