Patents by Inventor Rajesh Sur

Rajesh Sur 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: 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
  • Patent number: 12114710
    Abstract: An aerosol delivery device includes a heating element powerable to heat components of an aerosol precursor composition to produce an aerosol therefrom, and processing circuitry configured to control a voltage directed to and powering the heating element. An infrared sensor is coupled to the processing circuitry, and configured to measure infrared energy emitted by the aerosol precursor composition in response to the heating thereof, the emitted infrared energy being variable and proportional to a temperature of the heated aerosol precursor composition, the processing circuitry or the infrared sensor being configured to determine the temperature from the infrared energy emitted by the heated aerosol precursor composition and measured by the infrared sensor, and the processing circuitry being configured to adjust the voltage directed to the heating element in response to the temperature of the aerosol precursor composition deviating from a predetermined temperature target.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: October 15, 2024
    Assignee: RAI STRATEGIC HOLDINGS, INC.
    Inventor: Rajesh Sur
  • Publication number: 20240324678
    Abstract: An aerosol delivery device is provided, and includes a control body serially engaged with a cartridge, the cartridge having an aerosol precursor source housing an aerosol precursor and defining a mouth opening configured to direct an aerosol therethrough to a user. A heater device is operably engaged with the cartridge, wherein the heater device comprises an electrically-conductive carbon element disposed adjacent to a heat-conductive substrate. The heater device is configured to receive the aerosol precursor from the aerosol precursor source onto the heat-conductive substrate, such that the aerosol precursor on the heat-conductive substrate forms the aerosol in response to heat from the electrically-conductive carbon element conducted through the heat-conductive substrate. An associated apparatus and method are also provided.
    Type: Application
    Filed: June 7, 2024
    Publication date: October 3, 2024
    Inventor: Rajesh Sur
  • Patent number: 12102118
    Abstract: Aerosol delivery devices are disclosed herein. In one aspect, an aerosol delivery device may comprise a control body, a heating member, a control component, a power source, and a removable aerosol source member that includes an inhalable substance medium, the aerosol source member being configured to be inserted into the control body and defining a heated end and a mouth end, the heated end configured, when inserted into the control body, to be positioned proximate the heating member. In some implementations, the heating member may comprise a base heating member and a substrate heating member, wherein the base heating member is located in the control body and the substrate heating member is located in the aerosol source member. In some implementations, the heating member may comprise a flexible heating member that surrounds a heating cylinder located within a portion of the engaging end of the control body.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: October 1, 2024
    Assignee: RAI STRATEGIC HOLDINGS, INC.
    Inventors: Rajesh Sur, Kathryn Lynn Wilberding, Andries Sebastian, Stephen Benson Sears, Timothy Frederick Thomas, Sawyer Hubbard, Billy Tyrone Conner
  • 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: 20240277953
    Abstract: An aerosol delivery device includes a housing enclosing a reservoir retaining an aerosol precursor composition. A first power-source terminal connects a power source to the aerosol delivery device. An atomizer is configured to vaporize components of the aerosol precursor composition. A switch is coupled between the first power-source terminal and the atomizer. A micro pump is arranged between the reservoir and the atomizer to deliver aerosol precursor composition from the reservoir to the atomizer. A driver circuit includes a boost converter coupled between the first power-source terminal and the micro pump, to drive the micro pump. A control component includes processing circuitry configured to switchably control the driver circuit to drive the micro pump, and switchably control the switch to connect the power source to the atomizer independently of the driver circuit and thereby power the atomizer to vaporize components of the aerosol precursor composition.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 22, 2024
    Inventor: Rajesh Sur
  • 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
  • Patent number: 12057759
    Abstract: The present disclosure relates to aerosol delivery devices. The aerosol delivery devices may include an atomizer, a reservoir configured to contain an aerosol precursor composition and an electrical circuit coupled to the atomizer. The electrical circuit may include an electrical generator assembly including a moveable input member and an electrical generator configured to produce an electrical current from movement of the moveable input member. The electrical circuit may be configured to direct the electrical current to the atomizer to produce an aerosol from the aerosol precursor composition. A related aerosol production method is also provided.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: August 6, 2024
    Assignee: RAI STRATEGIC HOLDINGS, INC.
    Inventors: Alfred C. Bless, Rajesh Sur, Stephen Benson Sears
  • Patent number: 12035749
    Abstract: An aerosol delivery device is provided, and includes a control body serially engaged with a cartridge, the cartridge having an aerosol precursor source housing an aerosol precursor and defining a mouth opening configured to direct an aerosol therethrough to a user. A heater device is operably engaged with the cartridge, wherein the heater device comprises an electrically-conductive carbon element disposed adjacent to a heat-conductive substrate. The heater device is configured to receive the aerosol precursor from the aerosol precursor source onto the heat-conductive substrate, such that the aerosol precursor on the heat-conductive substrate forms the aerosol in response to heat from the electrically-conductive carbon element conducted through the heat-conductive substrate. An associated apparatus and method are also provided.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: July 16, 2024
    Assignee: RAI STRATEGIC HOLDINGS, INC.
    Inventor: Rajesh Sur
  • 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
  • Patent number: 11998687
    Abstract: An aerosol delivery device includes a housing enclosing a reservoir retaining an aerosol precursor composition. A first power-source terminal connects a power source to the aerosol delivery device. A heating element is configured to vaporize components of the aerosol precursor composition. A switch is coupled between the first power-source terminal and the heating element. A micro pump is arranged between the reservoir and the heating element to deliver aerosol precursor composition from the reservoir to the heating element. A driver circuit is coupled between the first power-source terminal and the micro pump, to drive the micro pump. A control component includes processing circuitry configured to switchably control the driver circuit to drive the micro pump, and switchably control the switch to connect the power source to the heating element and thereby power the heating element to vaporize components of the aerosol precursor composition.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: June 4, 2024
    Assignee: RAI STRATEGIC HOLDINGS, INC.
    Inventor: Rajesh Sur
  • 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
  • Publication number: 20240148063
    Abstract: The present disclosure provides an aerosol delivery device. In various implementations, the aerosol delivery device comprises a control body having an outer housing, an electrical energy source located within the housing, a control component operatively connected to the electrical energy source, a heating assembly operatively connected to the control component, and an aerosol source member that includes an aerosol generating component configured to be positioned proximate the heating assembly. The heating assembly comprises a series of heating members, and each heating member is independent and distinct and configured to heat a segment of the aerosol source member.
    Type: Application
    Filed: January 2, 2024
    Publication date: May 9, 2024
    Inventors: Vahid Hejazi, Rajesh Sur
  • 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
  • Publication number: 20240130423
    Abstract: The present disclosure provides an aerosol delivery device that may comprise a housing defining an outer wall. The device may further include a power source and a control component, an exit aerosol path defined through an opening, a tank portion that includes a reservoir configured to contain a liquid composition, and an atomization assembly configured to vaporize the liquid composition to generate an aerosol. The atomization assembly may comprise two or more vibrating assemblies each of which includes a mesh plate. In some implementations, the mesh plates may be substantially coplanar and substantially perpendicular to the exit aerosol path. In other implementations, the mesh plates may be non-coplanar.
    Type: Application
    Filed: December 19, 2023
    Publication date: April 25, 2024
    Inventors: Vahid Hejazi, Rajesh Sur, S. Keith Cole, Cassidy S. McMahan, Gary M. Dull
  • Publication number: 20240123163
    Abstract: An aerosol delivery device is provided that includes at least one housing, a nozzle, a piezoelectric or piezomagnetic material, a control component, and a transport element. The at least one housing may enclose a reservoir configured to retain an aerosol precursor composition. The nozzle may be coupled to the housing to discharge aerosol precursor composition from the reservoir. The control component may include a microprocessor coupled to and configured to drive the piezoelectric or piezomagnetic material to vibrate and cause a discharge of components of the aerosol precursor composition and thereby produce an aerosol for inhalation by a user. And the transport element may be configured to control an amount of aerosol precursor composition delivered from the reservoir.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Inventor: Rajesh Sur