Patents by Inventor Christopher A. Wiklof

Christopher A. Wiklof 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).

  • Multi-nozzle combustion assemblies including perforated flame holder, combustion systems including the combustion assemblies, and related methods
    Patent number: 10551058
    Abstract: Embodiments disclosed herein are directed to integrated combustion assemblies including a perforated flame holder, combustion systems that include one or more integrated combustion assemblies, and related methods. For example, an integrated combustion assembly may be placed into service (e.g., integrated into a combustion system) as a complete and/or replaceable unit, such that elements and/or components of the combustion assembly are preassembled and no further assembly is required at the installation site.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: February 4, 2020
    Assignee: CLEARSIGN TECHNOLOGIES CORPORATION
    Inventors: Jerry Michael Lang, Sr., Douglas Wayne Karkow, Donald Kendrick, James Kyle Dansie, Terry Lynn Montgomery, Jesse Dumas, Christopher A. Wiklof
  • Adaptive trigger for a microcurrent stimulation device
    Patent number: 10537738
    Abstract: A microcurrent treatment device includes an adaptive trigger circuit configured to dynamically determine a triggering threshold for applying a therapeutic microcurrent via a treatment electrode to a nerve node on a person's face for treatment of a sinus condition.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: January 21, 2020
    Assignee: TIVIC HEALTH SYSTEMS INC.
    Inventors: John Claude, Christopher A. Wiklof
  • Duplex burner with velocity-compensated mesh and thickness
    Patent number: 10539326
    Abstract: A combustion system includes a perforated reaction holder having perforations defined to compensate for a non-uniform velocity of fuel and/or oxidant received across an input face of the perforated reaction holder.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: January 21, 2020
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventors: Douglas W. Karkow, Robert E. Breidenthal, Joseph Colannino, Christopher A. Wiklof
  • METHOD AND APPARATUS FOR STABILIZING COMBUSTION SYSTEM PERFORMANCE
    Publication number: 20200003411
    Abstract: A combustion system includes an ionizer configured to eject charges (or accept charges) for uptake by a combustion reaction to cause a combustion reaction to carry a majority charge or voltage. The ionizer includes an inner electrode, a dielectric body surrounding the inner electrode, and one or more conductive or semi-conductive inner electrodes disposed on the surface of the dielectric body. The inner and outer electrodes are configured to be in a capacitive relationship.
    Type: Application
    Filed: August 14, 2019
    Publication date: January 2, 2020
    Inventor: CHRISTOPHER A. WIKLOF
  • METHOD FOR OPERATING A COMBUSTION SYSTEM INCLUDING A PERFORATED FLAME HOLDER
    Publication number: 20190390854
    Abstract: A method for operating a combustion system includes outputting fuel and oxidant from a fuel and oxidant source onto a flame holder. The method further includes sustaining a combustion reaction of the fuel and the oxidant within the perforated flame holder.
    Type: Application
    Filed: July 22, 2019
    Publication date: December 26, 2019
    Inventors: DOUGLAS W. KARKOW, JOSEPH COLANNINO, CHRISTOPHER A. WIKLOF
  • Perforated flame holder and system including protection from abrasive or corrosive fuel
    Patent number: 10514165
    Abstract: A burner system that employs a perforated flame holder and is configured to combust a powdered solid fuel includes a structure configured to protect the perforated flame holder from erosion caused by particles of the solid fuel.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: December 24, 2019
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventors: Douglas W. Karkow, Joseph Colannino, James K. Dansie, Jesse Dumas, Christopher A. Wiklof
  • Automated test and measurement system with magnetic field detection
    Patent number: 10466290
    Abstract: An automated circuit test system includes a magnetic sensor array configured to measure, at a plurality of locations, a magnetic field induced by a circuit under test. A circuit drive module can energize the circuit under test to induce the magnetic field. Optionally, the circuit drive module detects an electrical response from the circuit under test. Optionally, magnetic field data is combined with electrical response data prior to outputting the test result.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: November 5, 2019
    Assignee: INNOVAURA CORPORATION
    Inventors: Alan B. Corwin, Keith Mullins, Ronald J. Schoenberg, C. MacGill Lynde, David B. Goodson, Christopher A. Wiklof
  • Horizontally fired burner with a perforated flame holder
    Patent number: 10458649
    Abstract: A horizontally-fired flame burner includes a flame holder positioned laterally from the burner. The flame holder includes a plurality of perforations that collectively confine a combustion reaction of the burner to the flame holder.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: October 29, 2019
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventors: Douglas W. Karkow, Joseph Colannino, Igor A. Krichtafovitch, Christopher A. Wiklof
  • Adaptor for providing electrical combustion control to a burner
    Patent number: 10458647
    Abstract: Technologies are provided for an adaptor for introducing electricity into a combustion chamber, for the purpose of electrical flame or combustion control. The adaptor may be placed between a conventional burner assembly and a conventional combustion chamber wall. The adaptor includes an aperture for admitting electricity into the combustion chamber.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: October 29, 2019
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventors: Christopher A. Wiklof, Nicholas S. Bromer
  • Ionizer for a combustion system
    Patent number: 10422523
    Abstract: A combustion system includes an ionizer configured to eject charges (or accept charges) for uptake by a combustion reaction to cause a combustion reaction to carry a majority charge or voltage. The ionizer includes an inner electrode, a dielectric body surrounding the inner electrode, and one or more conductive or semi-conductive inner electrodes disposed on the surface of the dielectric body. The inner and outer electrodes are configured to be in a capacitive relationship.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: September 24, 2019
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventor: Christopher A. Wiklof
  • FUEL COMBUSTION SYSTEM WITH A PERFORATED REACTION HOLDER
    Publication number: 20190277492
    Abstract: A combustion system such as a furnace or boiler includes a perforated reaction holder configured to hold a combustion reaction that produces very low oxides of nitrogen (NOx).
    Type: Application
    Filed: May 13, 2019
    Publication date: September 12, 2019
    Inventors: DOUGLAS W. KARKOW, ROBERT E. BREIDENTHAL, JOSEPH COLANNINO, CHRISTOPHER A. WIKLOF
  • PERFORATED FLAME HOLDER SUPPORT MEMBER FOR STRUCTURAL INTEGRITY
    Publication number: 20190257516
    Abstract: A furnace includes a perforated flame holder formed from an array of tiles. The perforated flame holder is stabilized by a support member extending between at least adjacent tiles. Elongated support members may be positioned to extend through each of the tiles in a respective column of the array of tiles.
    Type: Application
    Filed: February 19, 2019
    Publication date: August 22, 2019
    Inventors: DOUGLAS W. KARKOW, DONALD KENDRICK, JOSEPH COLANNINO, JESSE DUMAS, JONATHAN P. DEES, JAMES K. DANSIE, CHRISTOPHER A. WIKLOF
  • Method for operating a combustion system including a perforated flame holder
    Patent number: 10386062
    Abstract: A method for operating a combustion system includes outputting fuel and oxidant from a fuel and oxidant source onto a perforated flame holder. The method further includes sustaining a combustion reaction of the fuel and oxidant within the perforated flame holder.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: August 20, 2019
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventors: Douglas W. Karkow, Joseph Colannino, Christopher A. Wiklof
  • Control of combustion reaction physical extent
    Patent number: 10364980
    Abstract: Technologies are described for applying electrical energy according to a physical extent of a combustion reaction, which may include: supporting a combustion reaction at a fuel source; sensing a physical extent of the combustion reaction with respect to a plurality of different locations of a plurality of electrodes; and applying electrical energy to the combustion reaction via at least one of the plurality of electrodes responsive to the physical extent of the combustion reaction. Sensing the physical extent of the combustion reaction may include receiving a sensor signal corresponding to the physical extent of the combustion reaction.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: July 30, 2019
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventors: Joseph Colannino, David B. Goodson, Igor A. Krichtafovitch, Tracy A. Prevo, Christopher A. Wiklof
  • Burner system including at least one coanda surface and electrodynamic control system, and related methods
    Patent number: 10364984
    Abstract: Embodiments of the invention are directed to a burner system including at least one Coanda surface and at least two electrodes that are biased in a manner to influences a location of fuel flow relative to the at least one Coanda surface and related methods. In an embodiment, a burner system includes at least one Coanda surface, at least one nozzle positioned and configured to emit a fuel flow at least proximate to the at least one Coanda surface, at least two electrodes, and a voltage source operably coupled to the at least two electrodes. The voltage source may be configured to bias the at least two electrodes to generate an electric field at least proximate to the at least one Coanda surface that influences a location of the fuel flow and/or a flame relative to the at least one Coanda surface.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: July 30, 2019
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventors: Joseph Colannino, Igor Alexeevitch Krichtafovitch, Christopher A. Wiklof
  • Electrodynamic combustion control with current limiting electrical element
    Patent number: 10359189
    Abstract: An charge element disposed proximate to a combustion reaction is caused to carry a voltage while also being prevented from arc-discharging or arc-charging to or from the combustion reaction, by a current limiting element in electrical continuity with the charge element.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: July 23, 2019
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventors: Igor A. Krichtafovitch, Christopher A. Wiklof
  • Method for low NOx fire tube boiler
    Patent number: 10359213
    Abstract: A fire tube boiler includes a perforated flame holder configured to hold a combustion reaction that produces very low oxides of nitrogen (NOx).
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: July 23, 2019
    Assignee: CLEARSIGN COMBUSTION CORPORATION
    Inventors: Douglas W. Karkow, Joseph Colannino, Igor A. Krichtafovitch, Robert E. Breidenthal, Christopher A. Wiklof
  • SINUS TREATMENT DEVICE WITH ADAPTIVE CIRCUIT
    Publication number: 20190217087
    Abstract: A sinus treatment device and methods of operating the sinus treatment device that includes a conductive tip and at least one return electrode are disclosed.
    Type: Application
    Filed: February 20, 2019
    Publication date: July 18, 2019
    Inventors: JOHN CLAUDE, CHRISTOPHER A. WIKLOF
  • SINUS TREATMENT DEVICE WITH ENHANCED TIP
    Publication number: 20190217088
    Abstract: A sinus treatment device and methods of operating the sinus treatment device that include an enhanced conductive tip and at least one return electrode are disclosed.
    Type: Application
    Filed: February 20, 2019
    Publication date: July 18, 2019
    Inventors: JOHN CLAUDE, CHRISTOPHER A. WIKLOF
  • TREATMENT DEVICE INCLUDING WIRELESS INTERFACE AND USER APPLICATION
    Publication number: 20190217094
    Abstract: A handheld sinus treatment device provides sinus relief treatment to a user. The handheld sinus treatment device includes a wireless receiver configured to receive wireless signals including control data from a handheld electronic device. The user positions a treatment electrode of the sinus treatment device at a treatment location on the user's face corresponding to a sinus nerve node. The sinus treatment device provides electrical sinus treatment stimulation in accordance with the control data.
    Type: Application
    Filed: February 20, 2019
    Publication date: July 18, 2019
    Inventors: JOHN CLAUDE, CHRISTOPHER A. WIKLOF, JENNIFER ERNST, BLAKE GURFEIN