Patents by Inventor Richard Hugh Banwell

Richard Hugh Banwell 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).

  • Smoking mixtures
    Patent number: 4111211
    Abstract: Smoking mixtures in film form comprising binder and filler, optionally with particulate fuel also, uncompacted throughout and having one surface closely configurated with parallel ridges are made by roll-milling a pasty aqueous mass of the ingredients, said mass having a low phase angle e.g. 2.degree. to 45.degree., and successive rollers of the roll-mill operating at successively higher peripheral speeds with the relative speeds and clearances adjusted to produce the ridges.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: September 5, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: Henry Russell Hincklieff, Richard Hugh Banwell