Patents by Inventor Tom Mackay

Tom Mackay 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).

  • Piston for internal combustion engine
    Patent number: 8291881
    Abstract: A piston for a compression ignition internal combustion engine includes a crown portion, torroidal portion, and a reentrant portion. The piston further has a recess portion about a central axis of the piston designed to reduce temperatures near a tip portion of the fuel injector.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: October 23, 2012
    Assignee: Perkins Engine Company Limited
    Inventors: James Stuart Oxborrow, Tom Mackay, Mohammad Parsi
  • Piston for Internal Combustion Engine
    Publication number: 20110146613
    Abstract: A piston for a compression ignition internal combustion engine includes a crown portion, torroidal portion, and a reentrant portion. The piston further has a recess portion about a central axis of the piston designed to reduce temperatures near a tip portion of the fuel injector.
    Type: Application
    Filed: December 22, 2009
    Publication date: June 23, 2011
    Inventors: James Stuart Oxborrow, Tom Mackay, Mohammad Parsi
  • System method and apparatus for a three-line balun with power amplifier bias
    Publication number: 20080174382
    Abstract: A balun that includes a first conductor, a second conductor, and a third conductor. The first conductor has a first length. The first conductor also has a first end connected to a first balanced power amplifier output port. The second conductor has substantially the same first length. The second conductor also includes a first end connected to a second balanced power amplifier output port and a second end connected to a second end of the first conductor. The third conductor has substantially the same first length. The third conductor has a first end connected to an antenna port and a second end connected to a ground potential.
    Type: Application
    Filed: March 21, 2008
    Publication date: July 24, 2008
    Applicant: Broadcom Corporation
    Inventors: Tom MacKay, Vas POSTOYALKO, Edwin LI