Patents by Inventor Stephen B. Sears

Stephen B. Sears 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).

  • Patent number: 12128182
    Abstract: The present disclosure provides aerosol delivery devices. In an example implementation, an aerosol delivery device comprises an aerosol source member that defines an outer surface and an interior area and includes a substrate material having an aerosol precursor composition associated therewith, a control body having a housing that is configured to receive the aerosol source member, an electrical energy source coupled with the housing, and a heating assembly operatively connected to the electrical energy source. The heating assembly includes a plurality of spikes that may be configured to articulate between a retracted position, in which the plurality of spikes is not in contact with the aerosol source member, and a heating position, in which the plurality of spikes pierces through the outer surface of the substrate material and into a portion of the interior area thereof.
    Type: Grant
    Filed: September 25, 2023
    Date of Patent: October 29, 2024
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Luis Monsalud, Andries Sebastian, Stephen B. Sears, John-Paul Mua, Vahid Hejazi, Rajesh Sur
  • Patent number: 12121068
    Abstract: An aerosol delivery device and an aerosol source member for use with an inductive heating aerosol delivery device are provided. The aerosol delivery device comprises a control body having a housing, a resonant transmitter located in the control body, a control component configured to drive the resonant transmitter, and an aerosol source member that includes a substrate portion at least a portion of which is configured to be positioned within range of a field emitted by the resonant transmitter. The substrate portion may include a substrate material and one or more separators, the one or more separators may be configured to separate the substrate material into a plurality of separate substrate segments, and the one or more separators may comprise susceptors configured to be heated by the resonant transmitter.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: October 22, 2024
    Assignee: NICOVENTURES TRADING LIMITED
    Inventors: Bridget B. Crump, Karen H. Cleckley, Andries D. Sebastian, Stephen B. Sears, Kenneth A. Beard
  • Patent number: 12120801
    Abstract: Aerosol delivery devices and aerosol source members are disclosed herein. In one aspect, an aerosol delivery device may comprise a control body having a closed distal end and an open engaging end, a heating member, a control component located within the control body and configured to control the heating member, a power source located within the control body and configured to provide power to the control component, and a removable aerosol source member that includes a substrate portion. The substrate portion may include a continuous heat conductive framework integrated with an aerosol forming material, wherein the continuous thermally conductive framework is configured to enhance heat transfer from the heating member to the aerosol forming material.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: October 15, 2024
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Andries Sebastian, Rajesh Sur, Stephen B. Sears, Vahid Hejazi
  • Publication number: 20240322604
    Abstract: An aerosol delivery device includes a receptacle configured to receive a substrate configured to carry an aerosol precursor composition, and a resonant transformer including a transmitter coupling device and a resonant receiver coupling device that is positioned in proximity to the substrate when received in the receptacle. The aerosol delivery device also includes a pulse width modulation (PWM) inverter configured to drive the resonant transformer. The PWM inverter includes a bridge circuit coupled to the transmitter coupling device, and a PWM controller embodied as an integrated circuit and configured to output a PWM signal to the bridge circuit configured to drive the transmitter coupling device to generate an oscillating magnetic field and induce an alternating voltage in the resonant receiver coupling device when exposed to the oscillating magnetic field.
    Type: Application
    Filed: May 31, 2024
    Publication date: September 26, 2024
    Inventors: Rajesh Sur, James W. Rogers, Stephen B. Sears, Eric T. Hunt
  • Publication number: 20240306715
    Abstract: The present disclosure provides a control body, an aerosol delivery device, and a method of operating an aerosol delivery device. In various implementations, the aerosol delivery device comprises a control body having a housing, an electrical energy source located within the housing, a heating member operatively connected to the electrical energy source, an aerosol source member that includes an inhalable substance medium, and an indexing mechanism coupled to the heating member. The indexing mechanism is configured to move the heating member relative to the aerosol source member so as to sequentially heat one of two or more segments of the aerosol source member.
    Type: Application
    Filed: May 20, 2024
    Publication date: September 19, 2024
    Inventors: Steve Worm, William Bryan Carr, Timothy Thomas, Kathryn Lynn Wilberding, Paul Braxton, Stephen B. Sears, Rajesh Sur, Billy Conner, Andries Sebastian
  • Publication number: 20240268470
    Abstract: An aerosol delivery device includes at least one housing retaining an aerosol precursor composition, an atomizer, a microprocessor configured to operate in an active mode in which a control body of the aerosol delivery device is configured to control the atomizer to activate and produce an aerosol from the aerosol precursor composition, and a heart rate monitor configured to obtain biopotential measurements from a user, the biopotential measurements forming an identifier of the user. The microprocessor is operably coupled with the heart rate monitor and is configured to perform a biometric authentication of the user based on the identifier, and to control operation of at least one functional element of the aerosol delivery device based on the biopotential measurements, the controlling operation of at least one functional element including communicating a notification to a computing device when the biometric authentication fails to verify the user is an authorized user.
    Type: Application
    Filed: April 26, 2024
    Publication date: August 15, 2024
    Inventors: Rajesh Sur, Sawyer A. Hubbard, Kyung Soo Hong, Stephen B. Sears
  • Publication number: 20240225121
    Abstract: An aerosol delivery device is provided that includes a reservoir configured to retain aerosol precursor composition, a valve configured to control a flow of aerosol precursor composition from the reservoir to a heating element controllable to activate and vaporize components of the aerosol precursor composition, a sensor configured to measure reflectance or temperature at the heating element and generate a signal corresponding to the reflectance or temperature so measured, and a control component. The control component controls operation of the valve including receiving the signal and based thereon determining a volume of aerosol precursor composition at the heating element, and causing the valve to decrease or increase a rate of the flow of aerosol precursor composition in response to the volume being respectively above or below a predetermined threshold volume.
    Type: Application
    Filed: February 16, 2024
    Publication date: July 11, 2024
    Inventors: Rajesh Sur, Stephen B. Sears, Eric T. Hunt
  • Publication number: 20240216624
    Abstract: The present disclosure provides an aerosol delivery device that includes a housing including a power source and a control component, a reservoir configured to contain a liquid composition, a liquid delivery component including a micropump, and an atomizing assembly including a vibrating component and a mesh plate. The micropump is configured to be controlled by the control component to deliver at least a portion of the liquid composition to the atomizing assembly, the atomizing assembly is configured to be controlled by the control component to vaporize the portion of the liquid composition to generate an aerosol, and the micropump and the atomizing assembly are integrated together using a common element. In another implementation, the micropump comprises a biomimetic micropump. In some implementations, the biomimetic micropump may include a xylem model structure and a leaf model structure.
    Type: Application
    Filed: March 18, 2024
    Publication date: July 4, 2024
    Inventors: Justin Dakota Holt, Andries Don Sebastian, Stephen B. Sears, Vahid Hejazi, Rajesh Sur, Cassidy S. McMahan, S. Keith Cole
  • Patent number: 12027879
    Abstract: An aerosol delivery device includes a receptacle configured to receive a substrate configured to carry an aerosol precursor composition, and a resonant transformer including a transmitter coupling device and a resonant receiver coupling device that is positioned in proximity to the substrate when received in the receptacle. The aerosol delivery device also includes a pulse width modulation (PWM) inverter configured to drive the resonant transformer. The PWM inverter includes a bridge circuit coupled to the transmitter coupling device, and a PWM controller embodied as an integrated circuit and configured to output a PWM signal to the bridge circuit configured to drive the transmitter coupling device to generate an oscillating magnetic field and induce an alternating voltage in the resonant receiver coupling device when exposed to the oscillating magnetic field.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: July 2, 2024
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Rajesh Sur, James W. Rogers, Stephen B. Sears, Eric T. Hunt
  • Patent number: 12016389
    Abstract: The present disclosure provides a control body, an aerosol delivery device, and a method of operating an aerosol delivery device. In various implementations, the aerosol delivery device comprises a control body having a housing, an electrical energy source located within the housing, a heating member operatively connected to the electrical energy source, an aerosol source member that includes an inhalable substance medium, and an indexing mechanism coupled to the heating member. The indexing mechanism is configured to move the heating member relative to the aerosol source member so as to sequentially heat one of two or more segments of the aerosol source member.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: June 25, 2024
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Steve Worm, William Bryan Carr, Timothy Thomas, Kathryn Lynn Wilberding, Paul Braxton, Stephen B. Sears, Rajesh Sur, Billy Conner, Andries Sebastian
  • Publication number: 20240188190
    Abstract: The present disclosure provides an aerosol delivery device and a cartridge for an aerosol delivery device. In various implementations, the cartridge may comprise a housing defining a liquid reservoir, an atomizer configured to produce an aerosol, the atomizer comprising a first liquid transport element, a second liquid transport element, and a microvalve located between the liquid reservoir and the second liquid transport element. The microvalve may comprise a base member including at least one channel, and an actuating member at least a portion of which comprises a shape-memory material, and which is configured to move between a first position and a second position, wherein in the first position, the actuating member substantially blocks fluid flow from the liquid reservoir through the channel, and in the second position, the actuating member allows fluid flow from the liquid reservoir through the channel and to the second liquid transport element.
    Type: Application
    Filed: February 14, 2024
    Publication date: June 6, 2024
    Inventors: Vahid Hejazi, Stephen B. Sears, Eric T. Hunt, Karen V. Taluskie
  • Patent number: 11992061
    Abstract: An aerosol delivery device includes at least one housing structured to retain an aerosol precursor composition, and an atomizer. A microprocessor is configured to operate in an active mode in which the control body is configured to control the atomizer to activate and produce an aerosol from the aerosol precursor composition. A heart rate monitor is configured to obtain biopotential measurements from a user, the biopotential measurements forming an identifier of the user. The microprocessor is operably coupled with the heart rate monitor and is configured to perform a biometric authentication of the user based on the identifier, and to control operation of at least one functional element of the aerosol delivery device based on the biopotential measurements, with the controlling operation of at least one functional element including altering a locked state of the aerosol delivery device based on the biometric authentication.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: May 28, 2024
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Rajesh Sur, Sawyer A. Hubbard, Kyung Soo Hong, Stephen B. Sears
  • Patent number: 11969545
    Abstract: The present disclosure provides an aerosol delivery device that includes a housing including a power source and a control component, a reservoir configured to contain a liquid composition, a liquid delivery component including a micropump, and an atomizing assembly including a vibrating component and a mesh plate. The micropump is configured to be controlled by the control component to deliver at least a portion of the liquid composition to the atomizing assembly, the atomizing assembly is configured to be controlled by the control component to vaporize the portion of the liquid composition to generate an aerosol, and the micropump and the atomizing assembly are integrated together using a common element. In another implementation, the micropump comprises a biomimetic micropump. In some implementations, the biomimetic micropump may include a xylem model structure and a leaf model structure.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: April 30, 2024
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Justin Dakota Holt, Andries Don Sebastian, Stephen B. Sears, Vahid Hejazi, Rajesh Sur, Cassidy S. McMahan, S. Keith Cole
  • Patent number: 11937647
    Abstract: An aerosol delivery device is provided that includes a reservoir configured to retain aerosol precursor composition, a valve configured to control a flow of aerosol precursor composition from the reservoir to a heating element controllable to activate and vaporize components of the aerosol precursor composition, a sensor configured to measure reflectance or temperature at the heating element and generate a signal corresponding to the reflectance or temperature so measured, and a control component. The control component controls operation of the valve including receiving the signal and based thereon determining a volume of aerosol precursor composition at the heating element, and causing the valve to decrease or increase a rate of the flow of aerosol precursor composition in response to the volume being respectively above or below a predetermined threshold volume.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: March 26, 2024
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Rajesh Sur, Stephen B. Sears, Eric T. Hunt
  • Patent number: 11937344
    Abstract: The present disclosure provides an aerosol delivery device and a cartridge for an aerosol delivery device. In various implementations, the cartridge may comprise a housing defining a liquid reservoir, an atomizer configured to produce an aerosol, the atomizer comprising a first liquid transport element, a second liquid transport element, and a microvalve located between the liquid reservoir and the second liquid transport element. The microvalve may comprise a base member including at least one channel, and an actuating member at least a portion of which comprises a shape-memory material, and which is configured to move between a first position and a second position, wherein in the first position, the actuating member substantially blocks fluid flow from the liquid reservoir through the channel, and in the second position, the actuating member allows fluid flow from the liquid reservoir through the channel and to the second liquid transport element.
    Type: Grant
    Filed: January 18, 2023
    Date of Patent: March 19, 2024
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Vahid Hejazi, Stephen B. Sears, Eric T. Hunt, Karen V. Taluskie
  • Publication number: 20240017027
    Abstract: The present disclosure provides aerosol delivery devices. In an example implementation, an aerosol delivery device comprises an aerosol source member that defines an outer surface and an interior area and includes a substrate material having an aerosol precursor composition associated therewith, a control body having a housing that is configured to receive the aerosol source member, an electrical energy source coupled with the housing, and a heating assembly operatively connected to the electrical energy source. The heating assembly includes a plurality of spikes that may be configured to articulate between a retracted position, in which the plurality of spikes is not in contact with the aerosol source member, and a heating position, in which the plurality of spikes pierces through the outer surface of the substrate material and into a portion of the interior area thereof.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 18, 2024
    Inventors: Luis Monsalud, Andries Sebastian, Stephen B. Sears, John-Paul Mua, Vahid Hejazi, Rajesh Sur
  • Publication number: 20230366135
    Abstract: The present disclosure provides an aerosol source member, a substrate portion, and a method of creating a substrate portion for use in an aerosol source member. In an example implementation, a substrate portion of the present disclosure may comprise a series of overlapping layers of a composite substrate sheet, wherein the composite substrate sheet may comprise a non-woven web at least partially formed from regenerated cellulose fibers, a plurality of conductive threads integrated into the non-woven web, and a coating that includes a fibrous material and an aerosol precursor composition.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 16, 2023
    Inventors: Andries D. Sebastian, Stephen B. Sears, Billy T. Conner, Justin William Gage, Luis Monsalud
  • Patent number: 11806471
    Abstract: A control body is coupled or coupleable with a cartridge to form an aerosol delivery device, with the cartridge being equipped with a heating element. The control body includes a power source and a microprocessor. The power source is connected to an electrical load that includes the heater when the control body is coupled with the cartridge, and includes a supercapacitor configured to provide power to the electrical load. The microprocessor is configured to operate in an active mode in which the control body is coupled with the cartridge. In the active mode, the microprocessor is configured to direct power from the supercapacitor to the heating element to activate and vaporize components of the aerosol precursor composition.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: November 7, 2023
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Rajesh Sur, Stephen B. Sears
  • Patent number: 11801354
    Abstract: The present disclosure provides aerosol delivery devices. In an example implementation, an aerosol delivery device comprises an aerosol source member that defines an outer surface and an interior area and includes a substrate material having an aerosol precursor composition associated therewith, a control body having a housing that is configured to receive the aerosol source member, an electrical energy source coupled with the housing, and a heating assembly operatively connected to the electrical energy source. The heating assembly includes a plurality of spikes that may be configured to articulate between a retracted position, in which the plurality of spikes is not in contact with the aerosol source member, and a heating position, in which the plurality of spikes pierces through the outer surface of the substrate material and into a portion of the interior area thereof.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: October 31, 2023
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Luis Monsalud, Andries Sebastian, Stephen B. Sears, John-Paul Mua, Vahid Hejazi, Rajesh Sur
  • Publication number: 20230329329
    Abstract: The present disclosure is directed to a smoking article that comprises a holder that includes a receiving end and a mouth end, a removable cartridge configured to be received at the receiving end of the holder, the removable cartridge comprising a heat source configured to generate heat upon ignition thereof, and a substrate portion having opposed first and second ends, the heat source being disposed proximate the first end of the substrate portion, and the substrate portion including a substrate material having an aerosol precursor composition associated therewith, and an ejection mechanism configured to move the cartridge relative to the holder between a received position and an ejected position.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 19, 2023
    Inventors: Billy T. Conner, Paul E. Braxton, Stephen B. Sears, Karen H. Cleckley, Justin William Gage, Jason M. Short