Patents by Inventor Timothy Cartwright

Timothy Cartwright 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).

  • Anodising aluminum alloy
    Patent number: 7922889
    Abstract: An anodic oxide film is formed on an aluminium or aluminium alloy work piece by forming an anodic oxide film on the work piece by AC electrolysis followed by subjecting the work piece to DC electrolysis. The AC anodizing step may be conducted at a voltage of 5 to 30V for 30 seconds to 10 minutes and the DC anodizing step may be conducted at a voltage of 5 to 30V for a period of 1 to 20 minutes. The anodic oxide coating is suitable for adhesive bonding of aluminium alloy work pieces.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: April 12, 2011
    Assignee: Short Brothers PLC
    Inventors: Gary Critchlow, Ian Ashcroft, Timothy Cartwright, David Bahrani
  • Anodising Aluminum Alloy
    Publication number: 20080213618
    Abstract: An anodic oxide film is formed on an aluminium or aluminium alloy work piece by forming an anodic oxide film on the work piece by AC electrolysis followed by subjecting the work piece to DC electrolysis. The AC anodizing step may be conducted at a voltage of 5 to 30V for 30 seconds to 10 minutes and the DC anodizing step may be conducted at a voltage of 5 to 30V for a period of 1 to 20 minutes. The anodic oxide coating is suitable for adhesive bonding of aluminium alloy work pieces.
    Type: Application
    Filed: January 10, 2006
    Publication date: September 4, 2008
    Applicant: Short Brothers PLC
    Inventors: Gary Critchlow, Ian Ashcroft, Timothy Cartwright, David Bahrani