Patents by Inventor Eric Y. Bridson

Eric Y. Bridson 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).

  • Method and device for bacterial testing
    Patent number: 5047331
    Abstract: A method of testing for the growth of bacteria in a sample comprises introducing the sample into a sterile bacterial growth medium in a closed vessel incubating the vessel, and observing a pressure change within the vessel which indicates the growth of bacteria in the sample. A device for doing this comprises a bottle 10 with a pierceable closure 12; and a syringe comprising a cylinder 16 and a piston 18 connected to a hypodermic needle 20 which passes through the closure 12 and preferably extends below the surface of the growth medium in the bottle.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: September 10, 1991
    Assignee: Oxoid Limited
    Inventors: Derwent Swaine, Eric Y. Bridson, Deepak Sawhney