Patents by Inventor Ian A. Paull

Ian A. Paull 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).

  • Induction heating system
    Patent number: 9554423
    Abstract: A tuning system for controlling a voltage controlled oscillator is described herein. The tuning system makes use of a dual edge phase detector.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: January 24, 2017
    Assignee: Ambrell Corporation
    Inventor: Ian A. Paull
  • Dual Edge Phase Detector and Tuning Method That Uses Same
    Publication number: 20140151367
    Abstract: A tuning system for controlling a voltage controlled oscillator is described herein. The tuning system makes use of a dual edge phase detector.
    Type: Application
    Filed: October 25, 2013
    Publication date: June 5, 2014
    Applicant: Ameritherm, Inc.
    Inventor: Ian A. PAULL
  • Power switching system to increase induction heating to a load from available AC mains power
    Patent number: 8331115
    Abstract: In one aspect, the invention provides a power system for providing power to a load.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: December 11, 2012
    Assignee: Ameritherm, Inc.
    Inventors: David L. Fenton, Ian A. Paull, Leslie L. Thompson, Kenneth J. Westveer
  • Constant phase angle control for frequency agile power switching systems
    Patent number: 8269532
    Abstract: Power switching systems often benefit from controlling the instant at which the power devices change state so as to minimize dissipation in these devices. Such systems often require fairly tight tolerances on reactive components and a relatively narrow frequency operating range to be certain these switching times occur as intended. This invention defines a system that can adapt the required switching instant over very wide changes in the reactive components.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: September 18, 2012
    Assignee: Ameritherm, Inc.
    Inventor: Ian A. Paull
  • High voltage full bridge circuit and method for operating the same
    Patent number: 7995362
    Abstract: A circuit apparatus for providing an AC voltage to a load. The apparatus may include: a first, second, third and fourth switch, wherein the first switch is connected between a first node and a first terminal of the second switch and the fourth switch is connected between a second node and a first terminal of the fourth switch; a voltage source, wherein the voltage source is electrically connected between the first node and the second node; a resistive divider connected across the voltage source; a first resistor connected across the first switch a second resistor connected across the third switch; first connecting means for configurably connecting a second terminal of the second switch to the second node; second connecting means for configurably connecting a second terminal of the third switch to the first node; and third connecting means for configurably connecting the second terminal of the second switch in series with the second terminal of the third switch.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: August 9, 2011
    Assignee: Ameritherm, Inc.
    Inventors: Ian A. Paull, Leslie L. Thompson
  • Constant phase angle control for frequency agile power switching systems
    Patent number: 7906997
    Abstract: Power switching systems often benefit from controlling the instant at which the power devices change state so as to minimize dissipation in these devices. Such systems often require fairly tight tolerances on reactive components and a relatively narrow frequency operating range to be certain these switching times occur as intended. This invention defines a system that can adapt the required switching instant over very wide changes in the reactive components.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: March 15, 2011
    Assignee: Ameritherm, Inc.
    Inventor: Ian A. Paull
  • Power Switching System to Increase Induction Heating to a Load From Available AC Mains Power
    Publication number: 20100296322
    Abstract: In one aspect, the invention provides a power system for providing power to a load.
    Type: Application
    Filed: July 29, 2010
    Publication date: November 25, 2010
    Applicant: Ameritherm, Inc.
    Inventors: David L. FENTON, Ian A. Paull, Leslie L. Thompson, Kenneth J. Westveer
  • Power switching system to increase induction heating to a load from available AC mains power
    Patent number: 7787268
    Abstract: In one aspect, the invention provides a power system for providing power to a load.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: August 31, 2010
    Assignee: Ameritherm, Inc.
    Inventors: David L. Fenton, Ian A. Paull, Leslie L. Thompson, Kenneth J. Westveer
  • HIGH VOLTAGE FULL BRIDGE CIRCUIT AND METHOD FOR OPERATING THE SAME
    Publication number: 20090225572
    Abstract: A circuit apparatus for providing an AC voltage to a load. The apparatus may include: a first, second, third and fourth switch, wherein the first switch is connected between a first node and a first terminal of the second switch and the fourth switch is connected between a second node and a first terminal of the fourth switch; a voltage source, wherein the voltage source is electrically connected between the first node and the second node; a resistive divider connected across the voltage source; a first resistor connected across the first switch a second resistor connected across the third switch; first connecting means for configurably connecting a second terminal of the second switch to the second node; second connecting means for configurably connecting a second terminal of the third switch to the first node; and third connecting means for configurably connecting the second terminal of the second switch in series with the second terminal of the third switch.
    Type: Application
    Filed: February 9, 2009
    Publication date: September 10, 2009
    Applicant: AMERITHERM, INC.
    Inventors: Ian A. Paull, Leslie L. Thornpson
  • Power Switching System to Increase Induction Heating to a Load From Available AC Mains Power
    Publication number: 20090168477
    Abstract: In one aspect, the invention provides a power system for providing power to a load.
    Type: Application
    Filed: November 17, 2008
    Publication date: July 2, 2009
    Applicant: Ameritherm, Inc.
    Inventors: David L. FENTON, Ian A. Paull, Leslie L. Thompson, Kenneth J. Westveer