Patents by Inventor Tom Vallance Hamilton Crawford

Tom Vallance Hamilton Crawford 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: 9822778
    Abstract: A fan assembly comprising an air inlet, at least one air outlet, an impeller, a motor for rotating the impeller to draw air through the air inlet, at least one heater assembly, and a user interface for allowing a user to select a speed setting for the motor from a user selectable range of speed settings, and for allowing a user to select one of a first and second operational mode of the fan assembly. A rotational speed of the motor is set depending on the user selected speed setting, and is selected from a first range of values when the first operational mode of the fan assembly has been selected, and from at least one second range of values when the second operational mode of the fan assembly has been selected, with each value within each of the range of values being associated with a respective speed setting.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: November 21, 2017
    Assignee: Dyson Technology Limited
    Inventors: Charles Edward Park, Tom Vallance Hamilton Crawford
  • Patent number: 8708650
    Abstract: A fan assembly for creating an air current includes a nozzle mounted on a base. The base comprises an outer casing, an impeller housing located within the outer casing, the impeller housing having an air inlet and an air outlet, an impeller located within the impeller housing and a motor for driving the impeller to create an air flow through the impeller housing. The nozzle includes an interior passage for receiving the air flow from the air outlet of the impeller housing and a mouth through which the air flow is emitted from the fan assembly.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: April 29, 2014
    Assignee: Dyson Technology Limited
    Inventors: Tom Vallance Hamilton Crawford, Christopher Simon Osborn, Kevin John Simmonds, Frederic Nicolas, Jonathan Richard Codling
  • Patent number: 8646849
    Abstract: A support assembly for a surface treating appliance includes a roller having one or more tires, wherein the one or more tires are fused to the roller. The roller can include a polymer such as polypropylene and may also include a glass filled impact modified copolymer such as a 20% glass filed impact modified copolymer. The tires can include a thermoplastic elastomer such as a modified polymer including a mixture of polypropylene and an ethylene propylene diene monomer. The thermoplastic elastomer may have a hardness of from 55 to 95 Duro measured on the A scale, more specifically from 70 to 79 Duro on the A scale or from 80 to 95 Duro on the A scale.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: February 11, 2014
    Assignee: Dyson Technology Limited
    Inventors: Tom Vallance Hamilton Crawford, Michael Anthony Saunders
  • Publication number: 20130323025
    Abstract: A fan assembly for creating an air current includes a nozzle mounted on a base. The base comprises an outer casing, an impeller housing located within the outer casing, the impeller housing having an air inlet and an air outlet, an impeller located within the impeller housing and a motor for driving the impeller to create an air flow through the impeller housing. The nozzle includes an interior passage for receiving the air flow from the air outlet of the impeller housing and a mouth through which the air flow is emitted from the fan assembly.
    Type: Application
    Filed: August 9, 2013
    Publication date: December 5, 2013
    Applicant: DYSON TECHNOLOGY LIMITED
    Inventors: Tom Vallance Hamilton CRAWFORD, Christopher Simon OSBORN, Kevin John SIMMONDS, Frederic NICOLAS, Jonathan Richard CODLING
  • Publication number: 20130280099
    Abstract: A fan assembly comprising an air inlet, at least one air outlet, an impeller, a motor for rotating the impeller to draw air through the air inlet, at least one heater assembly, and a user interface for allowing a user to select a speed setting for the motor from a user selectable range of speed settings, and for allowing a user to select one of a first and second operational mode of the fan assembly. A rotational speed of the motor is set depending on the user selected speed setting, and is selected from a first range of values when the first operational mode of the fan assembly has been selected, and from at least one second range of values when the second operational mode of the fan assembly has been selected, with each value within each of the range of values being associated with a respective speed setting.
    Type: Application
    Filed: April 18, 2013
    Publication date: October 24, 2013
    Inventors: Charles Edward PARK, Tom Vallance Hamilton CRAWFORD
  • Patent number: 8529203
    Abstract: A fan assembly for creating an air current includes a nozzle mounted on a base. The base comprises an outer casing, an impeller housing located within the outer casing, the impeller housing having an air inlet and an air outlet, an impeller located within the impeller housing and a motor for driving the impeller to create an air flow through the impeller housing. The nozzle includes an interior passage for receiving the air flow from the air outlet of the impeller housing and a mouth through which the air flow is emitted from the fan assembly.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 10, 2013
    Assignee: Dyson Technology Limited
    Inventors: Tom Vallance Hamilton Crawford, Christopher Simon Osborn, Kevin John Simmonds, Frederic Nicolas, Jonathan Richard Codling
  • Publication number: 20130011252
    Abstract: A fan assembly for creating an air current includes a nozzle mounted on a base. The base comprises an outer casing, an impeller housing located within the outer casing, the impeller housing having an air inlet and an air outlet, an impeller located within the impeller housing and a motor for driving the impeller to create an air flow through the impeller housing. The nozzle includes an interior passage for receiving the air flow from the air outlet of the impeller housing and a mouth through which the air flow is emitted from the fan assembly.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicant: DYSON TECHNOLOGY LIMITED
    Inventors: Tom Vallance Hamilton CRAWFORD, Christopher Simon Osborn, Kevin John Simmonds, Frederic Nicolas, Jonathan Richard Codling
  • Patent number: 8308432
    Abstract: A fan assembly for creating an air current includes a nozzle mounted on a base. The base comprises an outer casing, an impeller housing located within the outer casing, the impeller housing having an air inlet and an air outlet, an impeller located within the impeller housing and a motor for driving the impeller to create an air flow through the impeller housing. The nozzle includes an interior passage for receiving the air flow from the air outlet of the impeller housing and a mouth through which the air flow is emitted from the fan assembly.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: November 13, 2012
    Assignee: Dyson Technology Limited
    Inventors: Tom Vallance Hamilton Crawford, Christopher Simon Osborn, Kevin John Simmonds, Frederic Nicolas, Jonathan Richard Codling
  • Publication number: 20120187596
    Abstract: A support assembly for a surface treating appliance includes a roller having one or more tires, wherein the one or more tires are fused to the roller. The roller can include a polymer such as polypropylene and may also include a glass filled impact modified copolymer such as a 20% glass filed impact modified copolymer. The tires can include a thermoplastic elastomer such as a modified polymer including a mixture of polypropylene and an ethylene propylene diene monomer.
    Type: Application
    Filed: March 30, 2012
    Publication date: July 26, 2012
    Applicant: Dyson Technology Limited
    Inventors: Tom Vallance Hamilton CRAWFORD, Michael Anthony SAUNDERS
  • Patent number: 8042224
    Abstract: A cleaning appliance includes a main body, a handle assembly and a hose. The handle assembly includes a tube and a gripping portion fixedly attached thereto. The hose has one end attached to the main body. The tube is movable relative to the main body between a stored position in which at least a part of the tube lies within the hose and an extended position in which the gripping portion can be used to manipulate the cleaning appliance in use. By providing such an arrangement, the handle assembly and the hose can be stored compactly. When the user wishes to store the cleaning appliance, the tube can be retracted inside the hose for storage. When the tube is extended, the gripping portion is at a convenient height to be manipulated by a user.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: October 25, 2011
    Assignee: Dyson Technology Limited
    Inventors: William Robert James White, Tom Vallance Hamilton Crawford
  • Publication number: 20110223014
    Abstract: A fan assembly for creating an air current includes a nozzle mounted on a base. The base comprises an outer casing, an impeller housing located within the outer casing, the impeller housing having an air inlet and an air outlet, an impeller located within the impeller housing and a motor for driving the impeller to create an air flow through the impeller housing. The nozzle includes an interior passage for receiving the air flow from the air outlet of the impeller housing and a mouth through which the air flow is emitted from the fan assembly.
    Type: Application
    Filed: May 24, 2011
    Publication date: September 15, 2011
    Applicant: DYSON TECHNOLOGY LIMITED
    Inventors: Tom Vallance Hamilton CRAWFORD, Chirstopher Simon Osborn, Kevin John Simmonds, Frederic Nicolas, Jonathan Richard Codling
  • Patent number: 7972111
    Abstract: A fan assembly for creating an air current includes a nozzle mounted on a base. The base comprises an outer casing, an impeller housing located within the outer casing, the impeller housing having an air inlet and an air outlet, an impeller located within the impeller housing and a motor for driving the impeller to create an air flow through the impeller housing. The nozzle includes an interior passage for receiving the air flow from the air outlet of the impeller housing and a mouth through which the air flow is emitted from the fan assembly. A flexible sealing member is located between the outer casing and the impeller housing.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: July 5, 2011
    Assignee: Dyson Technology Limited
    Inventors: Tom Vallance Hamilton Crawford, Christopher Simon Osborn, Kevin John Simmonds, Frederic Nicolas, Jonathan Richard Codling
  • Fan
    Patent number: D729372
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: May 12, 2015
    Assignee: Dyson Technology Limited
    Inventors: Graeme McPherson, William John Darvill, Daniel George Cowen, Peter David Gammack, James Dyson, Tom Vallance Hamilton Crawford, Adam James Bates, Arran George Smith, Jack Johnson, William James Soper
  • Fan
    Patent number: D729373
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: May 12, 2015
    Assignee: Dyson Technology Limited
    Inventors: David Dos Reis, Daniel George Cowen, Peter David Gammack, James Dyson, Tom Vallance Hamilton Crawford
  • Fan
    Patent number: D729374
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: May 12, 2015
    Assignee: Dyson Technology Limited
    Inventors: David Dos Reis, Daniel George Cowen, Peter David Gammack, James Dyson, Tom Vallance Hamilton Crawford, Adam James Bates, Arran George Smith
  • Fan
    Patent number: D729375
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: May 12, 2015
    Assignee: Dyson Technology Limited
    Inventors: David Dos Reis, Daniel George Cowen, Peter David Gammack, James Dyson, Tom Vallance Hamilton Crawford, Adam James Bates, Arran George Smith, Thomas Richard Mogridge
  • Fan
    Patent number: D729376
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: May 12, 2015
    Assignee: Dyson Technology Limited
    Inventors: Graeme McPherson, William John Darvill, Daniel George Cowen, Peter David Gammack, James Dyson, Tom Vallance Hamilton Crawford
  • Fan
    Patent number: D729925
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: May 19, 2015
    Assignee: Dyson Technology Limited
    Inventors: Graeme McPherson, William John Darvill, Daniel George Cowen, Peter David Gammack, James Dyson, Tom Vallance Hamilton Crawford, Adam James Bates, Arran George Smith, William James Soper
  • Patent number: D838907
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: January 22, 2019
    Assignee: Dyson Technology Limited
    Inventors: Adam James Bates, Alexander Stuart Knox, Andrea Ee-Va Lim, Robert Mark Brett Coulton, Frederick Stuart Grotrian, Oliver Andrew Charles Whittaker, Peter David Gammack, Samuel James Czerpak, Stephen Benjamin Courtney, Tom Vallance Hamilton Crawford
  • Patent number: D850002
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: May 28, 2019
    Assignee: Dyson Technology Limited
    Inventors: Adam James Bates, Alexander Stuart Knox, Andrea Ee-Va Lim, Robert Mark Brett Coulton, Frederick Stuart Grotrian, Oliver Andrew Charles Whittaker, Peter David Gammack, Samuel James Czerpak, Stephen Benjamin Courtney, Tom Vallance Hamilton Crawford