Patents by Inventor Ian McIntyre Christie

Ian McIntyre Christie 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).

  • Environmental contaminant sampling and analysis
    Patent number: 7819028
    Abstract: A sampling and analysis device comprises a housing, a sampling region and an analysis region being defined within the housing. The housing has at least one aperture to allow fluid ingress to and egress from the sampling region. A filter is disposed within the housing, and is movable inside the housing between a sampling position, located in the sampling region, and an analysis position, located in the analysis region.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: October 26, 2010
    Assignee: Life Safety Distribution AG
    Inventors: Ian McIntyre Christie, Anthony Charles Downer, Ian Paul Andrews, Anthony Cooke
  • Environmental Contaminant Sampling and Analysis
    Publication number: 20080078256
    Abstract: A sampling and analysis device comprises a housing, a sampling region and an analysis region being defined within the housing. The housing has at least one aperture to allow fluid ingress to and egress from the sampling region. A filter is disposed within the housing, and is movable inside the housing between a sampling position, located in the sampling region, and an analysis position, located in the analysis region.
    Type: Application
    Filed: September 22, 2005
    Publication date: April 3, 2008
    Inventors: Ian McIntyre Christie, Anthony Charles Downer, Ian Paul Andrews, Anthony Cooke
  • Analytical method
    Patent number: 6200459
    Abstract: A method and apparatus for detecting ethanol content of a sample wherein a membrane barrier comprising unplasticized PVC is interposed between the sample and detecting means.
    Type: Grant
    Filed: September 27, 1999
    Date of Patent: March 13, 2001
    Assignee: Sensalyse Holdings Limited
    Inventors: Pankaj Madganlal Vadgama, Ian McIntyre Christie
  • Sensor device
    Patent number: 5906719
    Abstract: An amperometric sensor device comprising a working electrode, a reference/pseudo-reference electrode and a permselective membrane incorporating a charged organic species. The electrodes are in intimate contact with the membrane and are on a side of the membrane opposite to the side exposed to a fluid sample. The charged organic species provides a conducting path through the membrane between the electrodes.
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: May 25, 1999
    Assignee: The Victoria University of Manchester
    Inventors: Paul Howard Treloar, Ian Mcintyre Christie, Pankaj Maganlal Vadgama