Patents by Inventor James Robert Allan MACDONALD

James Robert Allan MACDONALD 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).

  • Publication number: 20220346612
    Abstract: A cleaner head including suction chamber having a suction opening; an agitator including a hollow body and supported the suction chamber by a support member, the support member having a first end that is fixed to a side wall of the suction chamber,and second end that free and over which the hollow body of the agitator can be slideably received; and a drive assembly forming part of the support member, and arranged to rotate the agitator about an axis. The fixed end of the support member is pivotal fixed to the side all of the suctionchamber such that the free end of the support member, together with the agitator supported thereon, can be pivoted to protrude out frome suction opening, to allow the agitator o be removed and replaced.
    Type: Application
    Filed: October 2, 2019
    Publication date: November 3, 2022
    Applicant: Dyson Technology Limited
    Inventors: Edward Richard OLDFIELD, Giles SMITH, Nichola Lauren CLIFTON, Frederick Michael THORNTON, James Robert Allan MACDONALD, Robert Michael COX
  • Fan
    Patent number: 9004858
    Abstract: An annular nozzle for a ceiling fan includes an inner wall defining a bore having a bore axis, an outer wall extending about the inner wall, an air inlet for receiving an air flow, and an air outlet section extending between the inner wall and the outer wall. The air outlet section defines an air outlet for emitting the air flow. An interior passage extends about the bore axis for conveying the air flow to the air outlet. The air outlet section is configured to emit the air flow away from the bore axis.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: April 14, 2015
    Assignee: Dyson Technology Limited
    Inventors: Frederic Nicolas, Alan Howard Davis, James Robert Allan MacDonald
  • FAN
    Publication number: 20120163977
    Abstract: An annular nozzle for a ceiling fan includes an inner wall defining a bore having a bore axis, an outer wall extending about the inner wall, an air inlet for receiving an air flow, and an air outlet section extending between the inner wall and the outer wall. The air outlet section defines an air outlet for emitting the air flow. An interior passage extends about the bore axis for conveying the air flow to the air outlet. The air outlet section is configured to emit the air flow away from the bore axis.
    Type: Application
    Filed: December 15, 2011
    Publication date: June 28, 2012
    Applicant: Dyson Technology Limited
    Inventors: Frederic NICOLAS, Alan Howard DAVIS, James Robert Allan MACDONALD