Patents by Inventor Alexandra Georgina Redcliffe Gordon

Alexandra Georgina Redcliffe Gordon 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).

  • Temperature switch
    Patent number: 8349218
    Abstract: A temperature switch comprises a material (14) which melts and concomitantly undergoes a change in an electrical characteristic at a predetermined temperature. The temperature switch also includes at least two electrical contacts (10, 12) for detecting the change in the electrical characteristic. The material (14) comprises an organic cation and an anion and is preferably an ionic liquid.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: January 8, 2013
    Assignee: Kidde IP Holdings Limited
    Inventor: Alexandra Georgina Redcliffe Gordon
  • TEMPERATURE SWITCH
    Publication number: 20110163841
    Abstract: A temperature switch comprises a material (14) which melts and concomitantly undergoes a change in an electrical characteristic at a predetermined temperature. The temperature switch also includes at least two electrical contacts (10, 12) for detecting the change in the electrical characteristic. The material (14) comprises an organic cation and an anion and is preferably an ionic liquid.
    Type: Application
    Filed: March 15, 2011
    Publication date: July 7, 2011
    Applicant: KIDDE IP HOLDINGS LIMITED
    Inventor: ALEXANDRA GEORGINA REDCLIFFE GORDON
  • Method of detecting a threshold temperature
    Patent number: 7947200
    Abstract: A temperature switch comprises a material (14) which melts and concomitantly undergoes a change in an electrical characteristic at a predetermined temperature. The temperature switch also includes at least two electrical contacts (10, 12) for detecting the change in the electrical characteristic. The material (14) comprises an organic cation and an anion and is preferably an ionic liquid.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: May 24, 2011
    Assignee: Kidde IP Holdings Limited
    Inventor: Alexandra Georgina Redcliffe Gordon
  • Temperature switch
    Patent number: 7857996
    Abstract: A temperature switch comprises a material (14) which melts and concomitantly undergoes a change in an electrical characteristic at a predetermined temperature. The temperature switch also includes at least two electrical contacts (10, 12) for detecting the change in the electrical characteristic. The material (14) comprises an organic cation and an anion and is preferably an ionic liquid.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: December 28, 2010
    Assignee: Kidde IP Holdings Limited
    Inventor: Alexandra Georgina Redcliffe Gordon
  • Temperature switch
    Publication number: 20080192801
    Abstract: A temperature switch comprises a material (14) which melts and concomitantly undergoes a change in an electrical characteristic at a predetermined temperature. The temperature switch also includes at least two electrical contacts (10, 12) for detecting the change in the electrical characteristic. The material (14) comprises an organic cation and an anion and is preferably an ionic liquid.
    Type: Application
    Filed: April 17, 2008
    Publication date: August 14, 2008
    Applicant: Kidde IP Holdings Limited
    Inventor: Alexandra Georgina Redcliffe Gordon