Patents by Inventor Brian J. Birch

Brian J. Birch 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).

  • Publication number: 20080118398
    Abstract: Provided are assay devices comprising sample-activatable battery cells.
    Type: Application
    Filed: October 5, 2007
    Publication date: May 22, 2008
    Applicant: Inverness Medical Switzerland GmbH
    Inventors: Brian J. Birch, Balbir Raj
  • Patent number: 6120662
    Abstract: The device (1) has a cell (3) with an electrode structure for carrying out electrochemical detection or measurement of a liquid sample. A means for mechanically or pneumatically drawing the liquid sample into the cavity (20) of the cell (3) is provided. The drawing means may be in the form of a strip (10) which is mechanically drawn through the cell (3) drawing the liquid sample into the cavity (20) of the cell (3). The strip (10) can have a V-shape (44) portion which is placed in the liquid sample before the strip (10) is drawn through the cell (3).
    Type: Grant
    Filed: April 17, 1998
    Date of Patent: September 19, 2000
    Assignee: Eastman Kodak Company
    Inventors: Stephen J. Edwards, Brian J. Birch, Barry G. Haggett, John W. Dilleen
  • Patent number: 5597463
    Abstract: A titration electrode device for measuring the amount of a species in solution in a test liquid comprises a counter electrode and a generator electrode both in a chamber for receiving a thin layer of test liquid, the two electrodes being located in respective compartments within the chamber such that ionic conduction between the compartments is permitted but diffusion of electrogenerated reagents between the compartments is restricted, the device including reference and sensor electrodes in the chamber.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 28, 1997
    Assignee: Van den Bergh Foods Co., Division of Conopco, Inc.
    Inventors: Brian J. Birch, Nicholas A. Morris
  • Patent number: 5483164
    Abstract: Water quality sensor apparatus comprising a substrate on which a plurality of sensors are supported in spaced apart relationship, each sensor being responsive to a different water characteristic and each sensor comprising a sensor region which, in use, is arranged to be contiguous with water the characteristics of which are to be sensed, which sensor regions are electrically connected to connector means via conductors supported on the substrate, the conductors and the connector means being arranged to be non-contiguous with the water in use of the apparatus.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: January 9, 1996
    Assignee: Siemens Plessey Controls Limited
    Inventors: Adrian J. Moss, John Hewinson, Peter Walton, Brian J. Birch, Clare L. Ball, Andrew W. James, John K. Atkinson, Przemyslaw R. Siuda