Patents by Inventor William I. f David

William I. f David 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: 9670063
    Abstract: The present invention relates to a method of producing hydrogen from ammonia, and in particular a method of producing hydrogen from ammonia by reacting it with a Group I metal, particularly with sodium, for use in a fuel cell and/or in a prime mover. The method may be carried out in-situ in a vehicle. The invention also relates to an apparatus for producing hydrogen from ammonia.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: June 6, 2017
    Assignee: The Science and Technology Facilities Council
    Inventors: William I. F. David, Martin Owen Jones
  • Publication number: 20150344302
    Abstract: The present invention relates to a method of producing hydrogen from ammonia, and in particular a method of producing hydrogen from ammonia by reacting it with a Group I metal, particularly with sodium, for use in a fuel cell and/or in a prime mover. The method may be carried out in-situ in a vehicle. The invention also relates to an apparatus for producing hydrogen from ammonia.
    Type: Application
    Filed: October 22, 2012
    Publication date: December 3, 2015
    Inventors: William I. F. DAVID, Martin OWEN-JONES
  • Patent number: 8431279
    Abstract: Novel mixed alkali metal borohydrides are disclosed which can be used as hydrogen storage materials.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: April 30, 2013
    Assignee: Isis Innovation Limited
    Inventors: William I. F. David, Marco Sommariva, Peter P. Edwards, Simon R. Johnson, Martin Owen Jones, Elizabeth Anne Nickels
  • Patent number: 8168342
    Abstract: A method of producing NH2(R2), the method comprising reacting a metal hydride with a compound having the general formula: M1X(BH4)y(NH2(R2))n wherein M1 comprises one or more of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, La, Al, Ga and Sc; 0<n?4; R2 comprises —H, alkyl and an aromatic substituent; and x and y are selected so as to maintain electroneutrality.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: May 1, 2012
    Assignee: The Science and Technology Facilities Council
    Inventors: Martin Owen Jones, Simon R. Johnson, Peter P. Edwards, William I. f David
  • Publication number: 20120021311
    Abstract: Novel mixed alkali metal borohydrides are disclosed which can be used as hydrogen storage materials. Processes for producing the mixed alkali metal borohydrides and their use in hydrogen storage devices are also described.
    Type: Application
    Filed: August 8, 2008
    Publication date: January 26, 2012
    Applicant: Isis Innovation Limited
    Inventors: William I.F. David, Marco Sommariva, Peter P. Edwards, Simon R. Johnson, Martin Owen Jones, Elizabeth Anne Nickels
  • Publication number: 20090197130
    Abstract: A method of producing NH2 (R2), the method comprising reacting a metal hydride with a compound having the general formula: M1x (BH4)y (NH2 (R2))n wherein M1 comprises one or more of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, La, Al, Ga and Sc; 0<n?4; R2 comprises —H, alkyl and an aromatic substituent; and x and y are selected so as to maintain electroneutrality.
    Type: Application
    Filed: July 9, 2007
    Publication date: August 6, 2009
    Applicant: The Science and Technology Facilities Council
    Inventors: Martin Owen Jones, Simon R Johnson, Peter P Edwards, William I.F. David