Patents by Inventor Peter Humphreys

Peter Humphreys 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).

  • E. coli, Salmonella or Hafnia autoinducers
    Publication number: 20020068330
    Abstract: The present invention concerns a novel bacterial autoinducer, methods of its manufacture, isolation and purification, uses of autoinducer isolated and purified using same, and the uses of the autoinducer.
    Type: Application
    Filed: July 12, 2001
    Publication date: June 6, 2002
    Inventors: Primrose Pamela Elaine Freestone, Peter Humphrey Williams, Mark Lyte, Richard David Haigh
  • E. coli, Salmonella or Hafnia autoinducers
    Patent number: 6316244
    Abstract: A bacterial autoinducer and method for isolating and purifying a bacterial autoinducer from a sample comprising the steps of collecting a sample containing the autoinducer, fractionating the sample to isolate fractions corresponding to molecular weights of approximately 300-1500 Dalton, and eluting the isolate on an anion-exchange chromatographic column and selecting the faction containing the autoinducer.
    Type: Grant
    Filed: February 28, 2000
    Date of Patent: November 13, 2001
    Assignee: University of Leicester
    Inventors: Primrose Pamela Elaine Freestone, Peter Humphrey Williams, Mark Lyte, Richard David Haigh
  • Nuclear reactors
    Patent number: 4294658
    Abstract: A liquid metal cooled fast breeder nuclear reactor of the pool kind has an intermediate heat exchange module comprising a tube-in-shell heat exchanger and an electromagnetic flow coupler in the base region of the module. Primary coolant is flowed through the heat exchanger being driven by electromagnetic interaction with secondary liquid metal coolant flow effected by a mechanical pump.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: October 13, 1981
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: Peter Humphreys, Daniel F. Davidson, Gordon Thatcher