Patents by Inventor Ian Robert Maxwell

Ian Robert Maxwell 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).

  • Self-heating or cooling container
    Patent number: 7350361
    Abstract: This invention relates to a self-heating or self-cooling container (1), which uses an exothermic or endothermic re-action to provide or remove heat from the contents of the container. The chemical reaction includes a fluid consistuent (either as a reagent or solvent), held in a reservoir (6), which is added to another reagent in the reaction chamber (5) to initiate the reaction. The container (1) according to the invention proposes a means (8, 91) to control the volume of this fluid constituent added to the reaction chamber (5) depending on the ambient temperature of the container.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: April 1, 2008
    Inventors: Ian Robert Maxwell, Paul Robert Dunwoody, Christopher Paul Ramsey