Patents by Inventor Stephen Farrar Smith

Stephen Farrar Smith 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).

  • Patent number: 10765191
    Abstract: A diffuser includes an air inlet for receiving an airflow from a hair dryer, a grille having a plurality of air outlets for emitting a first part of the airflow from the diffuser, and a plurality of projections upstanding from the grille for contacting the hair of a user and for emitting a second part of the airflow. Each of the projections has a respective air outlet located in an end portion of the projection which is remote from the grille. The projections are divided into a first set of projections and a second set of projections arranged about the first set of projections. The air outlets of the first set of projections are arranged to emit air towards the second set of projections, and the air outlets of the second set of projections face are arranged to emit air towards the first set of projections.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: September 8, 2020
    Assignee: Dyson Technology Limited
    Inventors: Philip Jonathan Stephens, Stephen Farrar Smith
  • Patent number: 10238199
    Abstract: A diffuser includes an air inlet for receiving an airflow from a hair dryer, and a grille with a plurality of air outlets for emitting at least part of the airflow. Each of the air outlets has substantially the same shape. The plurality of air outlets includes a first set of air outlets located in a first region of the grille, and a second set of air outlets located in a second region of the grille. The grille further includes at least one third region, located between the first region and the second region, which is substantially devoid of these air outlets.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: March 26, 2019
    Assignee: Dyson Technology Limited
    Inventors: Philip Jonathan Stephens, Stephen Farrar Smith
  • Patent number: 10213001
    Abstract: An attachment for a hand held appliance, the attachment including an outer wall with a first part which is generally conical in shape, and a fluid inlet into the outer wall, wherein the fluid inlet is formed from a discontinuity in the outer wall. The outer wall may be formed from a first wall and a sleeve. The first wall may define a fluid flow path through the attachment. The sleeve may extend around the first wall forming a second fluid flow path from the fluid inlet in the outer wall, the second fluid flow path extending between the first wall and the sleeve. An outer surface of the sleeve and an outer surface of the first wall may be collinear. The fluid flow path may extend from a first fluid inlet into the attachment to a first fluid outlet. The first fluid inlet may be annular.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: February 26, 2019
    Assignee: Dyson Technology Limited
    Inventors: Philip Jonathan Stephens, Stephen Farrar Smith, William Keith Hassett, Antoine Francois Atkinson
  • Patent number: 10194728
    Abstract: An attachment for a hand held appliance, the attachment having a first wall, and a bung housed within the first wall wherein each of the first wall and the bung are molded as a single unit which are subsequently joined together. One of the first wall and the bung may include a locating rib and the other of the first wall and the bung may include a locating recess and the locating rib and locating recess are adapted to cooperate together to position the bung with respect to the first wall. In addition to the locating rib and locating recess, the first wall and the bung may be secured using one or more of gluing, welding and screwing the parts together.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: February 5, 2019
    Assignee: Dyson Technology Limited
    Inventors: Philip Jonathan Stephens, Stephen Farrar Smith
  • Patent number: 10165844
    Abstract: A diffuser includes a plastics baffle which has an air inlet end, an air outlet end and an outwardly tapering wall extending between the air inlet end and the air outlet end, and which defines a diffusing air chamber. A plurality of circumferentially spaced weld ribs is upstanding from the air outlet end. A plastics grille has a plurality of air outlets and an annular shelf to which the weld ribs of the baffle are ultrasonically welded.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: January 1, 2019
    Assignee: Dyson Technology Limited
    Inventors: Philip Jonathan Stephens, Stephen Farrar Smith
  • Patent number: 10076172
    Abstract: A diffuser includes a baffle having an air inlet end, an air outlet end and an outwardly tapering wall extending between the air inlet end and the air outlet end, and which defines a diffusing air chamber, and a grille connected to the baffle, the grille including a plurality of air outlets. The air inlet end of the baffle includes an air inlet and a drainage channel, spaced from the air inlet, for receiving water which has entered the air chamber through the air outlets. The drainage channel has drainage holes for draining water away from the air inlet.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: September 18, 2018
    Assignee: Dyson Technology Limited
    Inventors: Philip Jonathan Stephens, Stephen Farrar Smith
  • Patent number: 9989308
    Abstract: A hand dryer comprising a jetting nozzle comprising a duct in fluid communication with a slot which forms a nozzle outlet, and a blower which blows air through the jetting nozzle to produce an air jet. The jetting nozzle is configured such that the angle of inclination of the air jet with respect to a direction which is perpendicular to the longitudinal direction of the slot varies in the longitudinal direction of the slot.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: June 5, 2018
    Assignee: Dyson Technology Limited
    Inventors: Stephen Farrar Smith, Philip Jonathan Stephens
  • Patent number: 9936789
    Abstract: A diffuser includes an air inlet for receiving an airflow from a hair dryer, an external grille having a plurality of air outlets for emitting at least part of the airflow from the diffuser, and an internal grille located between the air inlet and the external grille.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: April 10, 2018
    Assignee: Dyson Technology Limited
    Inventors: Philip Jonathan Stephens, Stephen Farrar Smith, Alexander Nigel Reid, Christopher John Tyler, William Keith Hassett
  • Patent number: 9936788
    Abstract: A diffuser includes an air inlet for receiving an airflow from a hair dryer, a grille having a plurality of air outlets for emitting at least part of the airflow from the diffuser, a baffle having an outwardly tapering wall which defines a diffusing air chamber through which the airflow passes between the air inlet and the air outlets, and an external wall which surrounds the wall of the baffle to define a second air chamber therebetween. The second air chamber has a plurality of ports in fluid communication with the ambient atmosphere.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: April 10, 2018
    Assignee: Dyson Technology Limited
    Inventors: Philip Jonathan Stephens, Stephen Farrar Smith
  • Patent number: 9808067
    Abstract: An attachment for a handheld appliance, the attachment having a first end for connection to the appliance and a second end, a first wall extending from the first end towards the second end and defining a fluid flow path through the attachment, a second wall extending from the second end towards the first end about the first wall and defining a second fluid flow path extending between the first wall and the second wall. The first end of the appliance may be substantially circular. The fluid flow path may have a fluid inlet that may be annular at the first end. The fluid inlet may be defined by the first wall and an inner wall extending around and at least partially along the first wall. The inner wall may be substantially equidistant from the first wall around the fluid inlet. A hair care appliance comprises such as attachment.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: November 7, 2017
    Assignee: Dyson Technology Limited
    Inventors: Catriona Ann Crawley Sutter, Stephen Farrar Smith, Edward Sebert Maurice Shelton, Patrick Joseph William Moloney
  • Patent number: 9746237
    Abstract: A hand dryer comprising a first jetting nozzle comprising a first duct in fluid communication with a first slot which forms a first nozzle outlet and a second jetting nozzle, disposed opposite the first jetting nozzle, comprising a second duct in fluid communication with a second slot which forms a second nozzle outlet. The first and second slots extend transversely with respect to the hand dryer. At least a portion of each of the first and second slots is curved such that the distance between the slots varies in the longitudinal direction of at least one of the slots. The hand dryer further comprises a blower which blows air through the jetting nozzles to produce respective air jets.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: August 29, 2017
    Assignee: Dyson Technology Limited
    Inventors: Stephen Farrar Smith, Philip Jonathan Stephens
  • Publication number: 20170150797
    Abstract: A hair care appliance comprising a body having an outer wall, a chassis extending within the outer wall, wherein the chassis comprises a locking feature and the body comprises an engaging feature adapted to retain the chassis in position within the outer wall when the locking feature is rotated with respect to the engaging feature. The outer wall may comprise an inner surface and the engaging feature extends radially inwards from the inner surface. The engaging feature may comprise a rib that extends from an inner surface of the outer wall. The engaging feature may extend at least partially around the inner surface of the outer wall. The engaging feature may comprise a pair of engaging features which may be radially spaced apart. The locking feature may comprise a locking rib which may extend radially from the chassis towards the outer wall.
    Type: Application
    Filed: November 22, 2016
    Publication date: June 1, 2017
    Applicant: Dyson Technology Limited
    Inventors: Nathan Haruna Waters IMHASLY, Stephen Farrar SMITH, Philip Jonathan STEPHENS, Mark Adrian SMITH
  • Publication number: 20170150796
    Abstract: A hair care appliance comprising a body having an outer wall, an inner wall and a gasket located between the outer wall and the inner wall, wherein the gasket comprises a seal extending between the outer wall and the inner wall and a centralising feature extending from the inner wall towards the outer wall. The centralising feature may comprise a convex surface extending from the inner wall towards the outer wall. The convex surface may be hemispherical. The outer wall comprises an inner surface and the inner surface may comprise a cooperating centralising feature which may be a number of discrete points of contact radially disposed around the inner surface. The gasket may comprise a further seal extending around an upstream end of the gasket.
    Type: Application
    Filed: November 22, 2016
    Publication date: June 1, 2017
    Applicant: Dyson Technology Limited
    Inventors: Philip Jonathan STEPHENS, Nathan Haruna Waters IMHASLY, Stephen Farrar SMITH
  • Patent number: D782731
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: March 28, 2017
    Assignee: Dyson Technology Limited
    Inventors: Stephen Farrar Smith, Philip Jonathan Stephens, Andrea Ee-Va Lim, Christopher William Hedges, Thomas James Kerr
  • Patent number: D782732
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: March 28, 2017
    Assignee: Dyson Technology Limited
    Inventors: Stephen Farrar Smith, Philip Jonathan Stephens, Andrea Ee-Va Lim, Christopher William Hedges, Thomas James Kerr
  • Patent number: D784614
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: April 18, 2017
    Assignee: Dyson Technology Limited
    Inventors: Philip Jonathan Stephens, Stephen Farrar Smith, Andrea Ee-Va Lim, Peter David Gammack, Edward Sebert Maurice Shelton, Callum Wright
  • Patent number: D785240
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: April 25, 2017
    Assignee: Dyson Technology Limited
    Inventors: Stephen Farrar Smith, Philip Jonathan Stephens, Andrea Ee-Va Lim
  • Patent number: D791407
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: July 4, 2017
    Assignee: Dyson Technology Limited
    Inventors: Stephen Farrar Smith, Philip Jonathan Stephens, Andrea Ee-Va Lim, Christopher William Hedges, Thomas James Kerr
  • Patent number: D798502
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: September 26, 2017
    Assignee: Dyson Technology Limited
    Inventors: Stephen Farrar Smith, Philip Jonathan Stephens, Andrea Ee-Va Lim
  • Patent number: D811009
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: February 20, 2018
    Assignee: Dyson Technology Limited
    Inventors: Stephen Farrar Smith, Philip Jonathan Stephens, Andrea Ee-Va Lim