Patents by Inventor Colin Metcalfe

Colin Metcalfe 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).

  • Briquettes
    Publication number: 20210340455
    Abstract: The invention also provides a briquette comprising: (i) a particulate material; and (ii) a binder, the binder comprising (a) at least partially saponified polyvinyl alcohol and (b) an alkali metal alkyl siliconate or polyalkylsilicic acid; wherein the particulate material is selected from a carbonaceous material, metal, metal ore, mineral waste or a mixture thereof.
    Type: Application
    Filed: August 14, 2017
    Publication date: November 4, 2021
    Applicant: Binding Solutions Limited
    Inventor: Colin Metcalfe
  • Fuel enrichment process
    Patent number: 8906120
    Abstract: A process for reducing the carbon content of ash from a burner comprises heating a carbon-based fuel in the presence of a fuel improver in a burner. The fuel improver comprises at least one metal oxide selected from the group comprising: iron oxide, calcium oxide, silicon dioxide, magnesium oxide and aluminum oxide. The average particle size of the fuel improver is reduced to give a particle size in the range 1 to 100 micron.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: December 9, 2014
    Inventors: Colin Metcalfe, David Dixon
  • Portable liquid pump
    Patent number: 8393877
    Abstract: A portable hand held controllable and directable liquid pumping device including a vortex pump head (1) fitted to a first end (2) of an elongate flexible drive shaft (3) and a pump drive (4) fitted to a second end (5) of the flexible drive shaft in which the pump drive includes a substantially rigid elongate housing (6) for a portion of the drive shaft and the elongate housing includes a first handle (7) at or near the first end (8) remote from the pump drive.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: March 12, 2013
    Assignee: Parchem Construction Supplies Pty Ltd
    Inventor: Colin Metcalfe
  • FUEL ENRICHMENT PROCESS
    Publication number: 20110016777
    Abstract: A process for reducing the carbon content of ash from a burner comprises heating a carbon-based fuel in the presence of a fuel improver in a burner. The fuel improver comprises at least one metal oxide selected from the group comprising: iron oxide, calcium oxide, silicon dioxide, magnesium oxide and aluminium oxide. The average particle size of the fuel improver is reduced to give a particle size in the range 1 to 100 micron.
    Type: Application
    Filed: February 9, 2009
    Publication date: January 27, 2011
    Applicant: INTERNATIONAL INNOVATIVE TECHNOLOGIES LIMITED
    Inventors: Colin Metcalfe, David Dixon
  • PORTABLE LIQUID PUMP
    Publication number: 20110008185
    Abstract: A portable hand held controllable and directable liquid pumping device comprising a vortex pump head (1) fitted to a first end (2) of an elongate flexible drive shaft (3) and a pump driving means (4) fitted to a second end (5) of said flexible drive shaft wherein said pump driving means includes a substantially rigid elongate housing (6) for a portion of said drive shaft and wherein said elongate housing including a first handle means (7) at or near the first end 8 remote from said pump driving means.
    Type: Application
    Filed: October 15, 2008
    Publication date: January 13, 2011
    Applicant: PARCHEM CONSTRUCTION SUPPLIES PTY LTD
    Inventor: Colin Metcalfe
  • Reduction of electromagnetic radiation
    Publication number: 20050079353
    Abstract: A filler for plastics or elastomeric materials comprising a powder having a ferromagnetic material content greater than 20% by weight and a silica content greater than 20% by weight, the powder being coated with an electro-conductive metallic material. The filler is designed to provide shielding for electromagnetic radiation.
    Type: Application
    Filed: May 11, 2004
    Publication date: April 14, 2005
    Inventors: Thomas Harper, Kenneth Patton, David Lax, Colin Metcalfe
  • Pump impeller
    Patent number: D583391
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: December 23, 2008
    Assignee: Flextool (Aust) Pty Ltd
    Inventor: Colin Metcalfe
  • Pump volute
    Patent number: D589060
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: March 24, 2009
    Assignee: Flextool (Aust) Pty Ltd
    Inventor: Colin Metcalfe