Patents by Inventor Yanwei Cen

Yanwei Cen 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).

  • SYSTEMS AND METHODS FOR ASSISTING IN REDUCING THE SPREAD OF FIRE, SMOKE OR HEAT IN A BUILDING
    Publication number: 20200199867
    Abstract: System for assisting in reducing the spread of fire between adjacent rooms in a building proximate to the ceiling thereof includes an elongated header track, at least one elongated filler constructed at least partially of compressible or elastic material and at least one fire-blocker constructed at least partially of fire retarding material.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 25, 2020
    Inventors: Eva Ackerman, Yanwei Cen, Martin Everington, Juan Manuel Gonzalez, David Thomas Graham, Carl Bryson McGinnis
  • Systems and methods for assisting in reducing the spread of fire, smoke or heat in a building
    Patent number: 10323411
    Abstract: System for assisting in reducing the spread of fire between adjacent rooms in a building proximate to the ceiling thereof includes an elongated header track, at least one elongated filler constructed at least partially of compressible or elastic material and at least one fire-blocker constructed at least partially of fire retarding material.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: June 18, 2019
    Assignee: Rectorseal, LLC
    Inventors: Eva Ackerman, Yanwei Cen, Martin Everington, Juan Manuel Gonzalez, David Thomas Graham, Carl Bryson McGinnis
  • SYSTEMS AND METHODS FOR ASSISTING IN REDUCING THE SPREAD OF FIRE, SMOKE OR HEAT IN A BUILDING
    Publication number: 20190177970
    Abstract: System for assisting in reducing the spread of fire between adjacent rooms in a building proximate to the ceiling thereof includes an elongated header track, at least one elongated filler constructed at least partially of compressible or elastic material and at least one fire-blocker constructed at least partially of fire retarding material.
    Type: Application
    Filed: February 18, 2019
    Publication date: June 13, 2019
    Inventors: Eva Ackerman, Yanwei Cen, Martin Everington, Juan Manuel Gonzalez, David Thomas Graham, Carl Bryson McGinnis
  • SYSTEMS AND METHODS FOR ASSISTING IN REDUCING THE SPREAD OF FIRE, SMOKE OR HEAT IN A BUILDING
    Publication number: 20180291619
    Abstract: System for assisting in reducing the spread of fire between adjacent rooms in a building proximate to the ceiling thereof includes an elongated header track, at least one elongated filler constructed at least partially of compressible or elastic material and at least one fire-blocker constructed at least partially of fire retarding material.
    Type: Application
    Filed: June 14, 2018
    Publication date: October 11, 2018
    Inventors: Eva Ackerman, Yanwei Cen, Martin Everington, Juan Manuel Gonzalez, David Thomas Graham, Carl Bryson McGinnis
  • SYSTEMS AND METHODS FOR ASSISTING IN REDUCING THE SPREAD OF FIRE, SMOKE OR HEAT IN A BUILDING
    Publication number: 20170260741
    Abstract: System for assisting in reducing the spread of fire between adjacent rooms in a building proximate to the ceiling thereof includes an elongated header track, at least one elongated filler constructed at least partially of compressible or elastic material and at least one fire-blocker constructed at least partially of fire retarding material.
    Type: Application
    Filed: June 24, 2016
    Publication date: September 14, 2017
    Inventors: Eva Ackerman, Yanwei Cen, Martin Everington, Juan Manuel Gonzalez, David Thomas Graham, Carl Bryson McGinnis
  • Use of liquid flushing composition in cleaning a heat exchanger
    Patent number: 8734589
    Abstract: A heat exchanger may be cleaned by introducing compressed nitrogen and a flushing composition through an injection device.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: May 27, 2014
    Assignee: The Rectorseal Corporation
    Inventors: Eva Ackerman, Yanwei Cen, William Francis Flynn, Richard Garza
  • Method for cleaning a heat exchanger
    Patent number: 8298345
    Abstract: A heat exchanger may be cleaned by introducing compressed nitrogen and a flushing composition through an injection device.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: October 30, 2012
    Assignee: The Rectorseal Corporation
    Inventors: Eva Ackerman, Yanwei Cen, William Francis Flynn, Richard Garza
  • Cleaning composition for tankless water heater
    Publication number: 20100298194
    Abstract: A composition useful in cleaning of a tankless water heater system. The composition contains mixture of organic and inorganic acids. The composition may further contain phosphates and corrosion inhibitors.
    Type: Application
    Filed: May 20, 2009
    Publication date: November 25, 2010
    Inventors: Eva Ackerman, Yanwei Cen, Prakash Patel