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).
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Patent number: 11969545Abstract: 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: GrantFiled: December 1, 2020Date of Patent: April 30, 2024Assignee: RAI Strategic Holdings, Inc.Inventors: Justin Dakota Holt, Andries Don Sebastian, Stephen B. Sears, Vahid Hejazi, Rajesh Sur, Cassidy S. McMahan, S. Keith Cole
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Publication number: 20240130423Abstract: 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: ApplicationFiled: December 19, 2023Publication date: April 25, 2024Inventors: Vahid Hejazi, Rajesh Sur, S. Keith Cole, Cassidy S. McMahan, Gary M. Dull
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Publication number: 20240123163Abstract: 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: ApplicationFiled: December 20, 2023Publication date: April 18, 2024Inventor: Rajesh Sur
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Publication number: 20240114946Abstract: The present disclosure provides aerosol generating substrates and aerosol source members comprising aerosol generating substrates, as well as methods of manufacturing thereof. In an example implementation, an aerosol generating substrate may comprise a fibrous filler material, an aerosol forming material, and a plurality of heat conducting constituents, wherein the substrate is formed as a sheet, and wherein the heat conducting constituents are part of the sheet. The heat conducting constituents may be incorporated within the sheet, or may be formed on a surface of the sheet. In another example implementation, an aerosol source member may comprise a substrate portion formed of a collection of intermingled pieces cut from an aerosol substrate sheet. In addition, or alternatively, a substrate portion may be formed of a series of overlapping layers of an aerosol substrate sheet.Type: ApplicationFiled: December 18, 2023Publication date: April 11, 2024Inventors: Andries Sebastian, Stephen Benson Sears, Billy Tyrone Connor, Rajesh Sur, S. Keith Cole, Thaddeus Jackson, Timothy Frederick Thomas, Paul E. Braxton, Curtis Foster Doe, Vahid Hejazi, Kathryn Lynn Wilberding
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Patent number: 11937647Abstract: 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: GrantFiled: September 9, 2016Date of Patent: March 26, 2024Assignee: RAI Strategic Holdings, Inc.Inventors: Rajesh Sur, Stephen B. Sears, Eric T. Hunt
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Publication number: 20240050671Abstract: An aerosol delivery device includes at least one housing, a heating element, a sensor, and a microprocessor coupled to the heating element and the sensor. The at least one housing encloses a reservoir configured to retain an aerosol precursor composition. The sensor is configured to produce measurements of differential pressure between an ambient atmospheric pressure and a pressure caused by airflow through at least a portion of the aerosol delivery device. The sensor is also configured to convert the measurements of differential pressure to corresponding electrical signals. The microprocessor is configured to receive the corresponding electrical signals and operate in an active mode only in an instance in which the differential pressure is at least a threshold differential pressure. The microprocessor in the active mode is configured to control the heating element to activate and vaporize components of the aerosol precursor composition.Type: ApplicationFiled: October 13, 2023Publication date: February 15, 2024Inventor: Rajesh Sur
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Patent number: 11896053Abstract: 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: GrantFiled: February 2, 2021Date of Patent: February 13, 2024Assignee: RAI Strategic Holdings, Inc.Inventors: Vahid Hejazi, Rajesh Sur
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Patent number: 11889861Abstract: 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: GrantFiled: September 21, 2020Date of Patent: February 6, 2024Assignee: RAI STRATEGIC HOLDINGS, INC.Inventors: Vahid Hejazi, Rajesh Sur, S Keith Cole, Cassidy S. McMahan, Gary M. Dull
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Publication number: 20240037619Abstract: Identity information can be stored in a decentralized structure. The identity information may include age verification information for the purchase or operation of certain tobacco products, such as an electronic nicotine delivery systems (“ENDS”) device, which may include aerosol delivery devices. The tobacco products or devices may have an age verification requirement or other identity requirements needed to authenticate a user and that information must be stored. A decentralized structure for storing the identity information may improve the security of that identity information while also providing a mechanism for accessing the information for verification or authentication purposes.Type: ApplicationFiled: October 9, 2023Publication date: February 1, 2024Inventors: Sawyer Hubbard, Jared Aller, Rajesh Sur
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Patent number: 11882867Abstract: The present disclosure provides aerosol generating substrates and aerosol source members comprising aerosol generating substrates, as well as methods of manufacturing thereof. In an example implementation, an aerosol generating substrate may comprise a fibrous filler material, an aerosol forming material, and a plurality of heat conducting constituents, wherein the substrate is formed as a sheet, and wherein the heat conducting constituents are part of the sheet. The heat conducting constituents may be incorporated within the sheet, or may be formed on a surface of the sheet. In another example implementation, an aerosol source member may comprise a substrate portion formed of a collection of intermingled pieces cut from an aerosol substrate sheet. In addition, or alternatively, a substrate portion may be formed of a series of overlapping layers of an aerosol substrate sheet.Type: GrantFiled: April 29, 2021Date of Patent: January 30, 2024Assignee: RAI Strategic Holdings, Inc.Inventors: Andries Sebastian, Stephen Benson Sears, Billy Tyrone Conner, Rajesh Sur, S. Keith Cole, Thaddeus Jackson, Timothy Frederick Thomas, Paul E. Braxton, Curtis Foster Doe, Vahid Hejazi, Kathryn Lynn Wilberding
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Patent number: 11883579Abstract: 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: GrantFiled: October 30, 2020Date of Patent: January 30, 2024Assignee: RAI Strategic Holdings, Inc.Inventor: Rajesh Sur
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Publication number: 20240017027Abstract: 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: ApplicationFiled: September 25, 2023Publication date: January 18, 2024Inventors: Luis Monsalud, Andries Sebastian, Stephen B. Sears, John-Paul Mua, Vahid Hejazi, Rajesh Sur
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Publication number: 20230413921Abstract: 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: ApplicationFiled: September 12, 2023Publication date: December 28, 2023Inventor: Rajesh Sur
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Publication number: 20230396171Abstract: An aerosol delivery device is provided that includes an aerosol precursor composition and a quasi-resonant flyback converter configured to cause components of the aerosol precursor composition to vaporize to produce an aerosol. The quasi-resonant flyback converter includes a transformer including an induction transmitter and an induction receiver, a capacitor that with the induction transmitter forms a tank circuit. The quasi-resonant flyback converter also includes a transistor that is switchable in cycles to cause the induction transmitter to generate an oscillating magnetic field and induce an alternating voltage in the induction receiver when exposed to the oscillating magnetic field, the alternating voltage causing the induction receiver to generate heat and thereby vaporize components of the aerosol precursor composition.Type: ApplicationFiled: August 22, 2023Publication date: December 7, 2023Inventor: Rajesh Sur
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Patent number: 11819609Abstract: An aerosol delivery device includes at least one housing, a heating element, a sensor, and a microprocessor coupled to the heating element and the sensor. The at least one housing encloses a reservoir configured to retain an aerosol precursor composition. The sensor is configured to produce measurements of differential pressure between an ambient atmospheric pressure and a pressure caused by airflow through at least a portion of the aerosol delivery device. The sensor is also configured to convert the measurements of differential pressure to corresponding electrical signals. The microprocessor is configured to receive the corresponding electrical signals and operate in an active mode only in an instance in which the differential pressure is at least a threshold differential pressure. The microprocessor in the active mode is configured to control the heating element to activate and vaporize components of the aerosol precursor composition.Type: GrantFiled: May 18, 2021Date of Patent: November 21, 2023Assignee: RAI STRATEGIC HOLDINGS, INC.Inventor: Rajesh Sur
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Patent number: 11806471Abstract: 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: GrantFiled: January 15, 2021Date of Patent: November 7, 2023Assignee: RAI Strategic Holdings, Inc.Inventors: Rajesh Sur, Stephen B. Sears
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Patent number: 11801354Abstract: 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: GrantFiled: January 5, 2022Date of Patent: October 31, 2023Assignee: RAI Strategic Holdings, Inc.Inventors: Luis Monsalud, Andries Sebastian, Stephen B. Sears, John-Paul Mua, Vahid Hejazi, Rajesh Sur
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Patent number: 11785991Abstract: An aerosol delivery device is provided. The aerosol delivery device includes a power source, and a heating element powerable to heat and thereby vaporize components of an aerosol precursor composition. The aerosol delivery device also includes processing circuitry configured to control voltage from the power source to the heating element to power the heating element. The aerosol delivery device further includes an infrared temperature sensor coupled to the processing circuitry, and configured to measure an infrared energy emitted by the heating element or aerosol precursor composition. The processing circuitry is configured to determine the temperature of the heating element or aerosol precursor composition from the infrared energy measured by the infrared temperature sensor, and adjust the voltage from the power source to the heating element when the temperature deviates from a predetermined set point.Type: GrantFiled: October 4, 2019Date of Patent: October 17, 2023Assignee: RAI Strategic Holdings, Inc.Inventor: Rajesh Sur
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Patent number: 11783395Abstract: Identity information can be stored in a decentralized structure. The identity information may include age verification information for the purchase or operation of certain tobacco products, such as an electronic nicotine delivery systems (“ENDS”) device, which may include aerosol delivery devices. The tobacco products or devices may have an age verification requirement or other identity requirements needed to authenticate a user and that information must be stored. A decentralized structure for storing the identity information may improve the security of that identity information while also providing a mechanism for accessing the information for verification or authentication purposes.Type: GrantFiled: May 17, 2019Date of Patent: October 10, 2023Assignee: RAI Strategic Holdings, Inc.Inventors: Sawyer Hubbard, Jared Aller, Rajesh Sur
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Publication number: 20230292845Abstract: An aerosol delivery device is provided that includes sensor(s) to produce measurements of properties during use of the device, and processing circuitry to record data for a plurality of uses of the device, for each use of which the data includes the measurements of the properties. The processing circuitry is configured to build a machine learning model to predict a target variable, using a machine learning algorithm, at least one feature selected from the properties, and a training set produced from the measurements of the properties. The processing circuitry is configured to then deploy the machine learning model to predict the target variable, and control at least one functional element of the device based thereon. The device may also verify authorization of an attempted user to alter a locked state of the device based on the verifying of the attempted user.Type: ApplicationFiled: May 19, 2023Publication date: September 21, 2023Inventor: Rajesh Sur