Patents by Inventor John Colin Middleton

John Colin Middleton 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).

  • Mixing apparatus
    Patent number: 9138694
    Abstract: A mixing apparatus 100 for mixing at least two fluids, the mixing apparatus 100 comprising a shaft 120 rotatable about its longitudinal axis 121, a first 122 and a second 124 radially extending impeller mounted on the shaft 120 and respectively axially spaced apart, characterised in that the first impeller 122 comprises a plurality of curved blades 125 operable to move said fluids in an axial direction towards the second impeller 124, and the second impeller 124 comprises a plurality of curved blades 125 operable to move said fluids in an axial direction towards the first impeller 122.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: September 22, 2015
    Assignee: Lucite International UK Limited
    Inventors: Darren Gobby, John Colin Middleton, Neil Tindale
  • MIXING APPARATUS
    Publication number: 20090208390
    Abstract: A mixing apparatus (100) for mixing at least two fluids, the mixing apparatus (100) comprising a shaft (120) rotatable about its longitudinal axis (121), a first (122) and a second (124) radially extending impeller mounted on the shaft (120) and respectively axially spaced apart, characterised in that the first impeller (122) comprises a plurality of curved blades (125) operable to move said fluids in an axial direction towards the second impeller (124), and the second impeller (124) comprises a plurality of curved blades (125) operable to move said fluids in an axial direction towards the first impeller (122).
    Type: Application
    Filed: April 25, 2007
    Publication date: August 20, 2009
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Darren Gobby, John Colin Middleton, Neil Tindale