Patents by Inventor Keith Collingwood

Keith Collingwood 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).

  • Fragrance emitting device
    Patent number: 6790408
    Abstract: A method and device are provided for preventing the habituation of a fragrance composition. The method and device are adapted to provide to a space, which it is desired to fragrance, a continuous supply of a first fragrance composition and a periodic supply of a second fragrance composition. The fragrance composition(s) may be vaporized by heating and may include deodorant and/or insecticidal compounds.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: September 14, 2004
    Assignee: Reckitt Benckiser (UK) Limited
    Inventors: Paul Howard Whitby, Keith Collingwood, Alain Luciani
  • Fragrance emitting device
    Publication number: 20020159916
    Abstract: A method and device are provided for preventing the habituation of a fragrance composition. The method and device are adapted to provide to a space, which it is desired to fragrance, a continuous supply of a first fragrance composition and a periodic supply of a second fragrance composition. The fragrance composition(s) may be vaporized by heating and may include deodorant and/or insecticidal compounds.
    Type: Application
    Filed: January 15, 2002
    Publication date: October 31, 2002
    Applicant: Reckitt Benckiser (UK) Limited
    Inventors: Paul Howard Whitby, Keith Collingwood, Alain Luciani
  • Apparatus for emanating a chemical agent
    Patent number: 5662835
    Abstract: An apparatus for emitting a chemical agent includes a supply of the chemical agent, an emanator from which the chemical agent can diffuse, means for transporting the chemical agent from the supply to the emanator, means for interrupting the transportation of the chemical agent from the supply to the emanator and means for providing a flow of air over the emanator to promote diffusion of the chemical agent from the emanator. The supply of the chemical agent, the emanator, the means for transporting the chemical agent and the means for interrupting the transportation of the chemical agent may be provided in the form of an integral replaceable cartridge.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: September 2, 1997
    Assignee: Reckitt & Colman Products Limited
    Inventor: Keith Collingwood
  • Packaging container
    Patent number: D290090
    Type: Grant
    Filed: October 26, 1984
    Date of Patent: June 2, 1987
    Assignee: Reckitt & Colman Products Limited
    Inventor: Keith Collingwood