Patents by Inventor Hai Yan Cao

Hai Yan Cao 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).

  • Volatile material dispensing system
    Patent number: 11213023
    Abstract: A volatile material dispensing system (100) includes a base (104) and a refill (102) attached to the base (104). The refill (102) includes a substrate (108) having a volatile material thereon. The dispensing system (100) further includes a cover (106). In an inactive state, the refill (102) is compressed within the cover (106) and the cover (106) is attached to the base (104) and in an active state, the cover (106) is removed from the base and the refill (102) automatically expands such that the volatile material is released from the substrate (108) and into the ambient environment.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: January 4, 2022
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Salvador Munoz, Deliang Shi
  • Dispensing device
    Patent number: 9498554
    Abstract: A dispensing device for release of an air treatment material includes a semi-permeable substrate having a mesh size between about 15 strands per cm to about 79 strands per cm and a support component for supporting the semi-permeable substrate. The dispensing device releases the air treatment material at a rate of at least about 0.05 mg/hr at about 25° C.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: November 22, 2016
    Assignee: S.C. Johnson & Son, Inc.
    Inventors: Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Salvador S. Munoz, Deliang Shi
  • Volatile Material Dispensing System
    Publication number: 20150201604
    Abstract: A volatile material dispensing system (100) includes a base (104) and a refill (102) attached to the base (104). The refill (102) includes a substrate (108) having a volatile material thereon. The dispensing system (100) further includes a cover (106). In an inactive state, the refill (102) is compressed within the cover (106) and the cover (106) is attached to the base (104) and in an active state, the cover (106) is removed from the base and the refill (102) automatically expands such that the volatile material is released from the substrate (108) and into the ambient environment.
    Type: Application
    Filed: July 24, 2013
    Publication date: July 23, 2015
    Applicant: S.C. Johnson & Son, Inc.
    Inventors: Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Salvador Munoz, Deliang Shi
  • Dispensing Device
    Publication number: 20140027530
    Abstract: A dispensing device for release of an air treatment material includes a semi-permeable substrate having a mesh size between about 15 strands per cm to about 79 strands per cm and a support component for supporting the semi-permeable substrate. The dispensing device releases the air treatment material at a rate of at least about 0.05 mg/hr at about 25° C.
    Type: Application
    Filed: July 24, 2012
    Publication date: January 30, 2014
    Inventors: Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Salvador S. Munoz, Deliang Shi
  • Dispensing device
    Patent number: D730505
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: May 26, 2015
    Assignee: S.C. Johnson & Son, Inc.
    Inventors: Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Salvador Munoz, Deliang Shi
  • Dispensing device
    Patent number: D733275
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: June 30, 2015
    Assignee: S.C. Johnson & Son, Inc.
    Inventors: Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Salvador Munoz, Deliang Shi