Patents by Inventor Sumit Bhat
Sumit Bhat 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: 12289807Abstract: An apparatus includes a plurality of MOSFET device groups connected in parallel, wherein a first common node of the plurality of MOSFET device groups is coupled to a cathode of a light emitting diode channel of a plurality of light emitting diode channels, and a second common node of the plurality of MOSFET device groups is connected to ground, and a control circuit configured to generate gate drive signals for the plurality of MOSFET device groups, wherein the gate drive signals are configured to adjust a current flowing through the light emitting diode channel based on a predetermined color and a predetermined brightness level of the light emitting diode channel, and under different duty cycles, the control circuit is configured to control the current flowing through the light emitting diode channel to be proportional to a corresponding duty cycle.Type: GrantFiled: October 14, 2022Date of Patent: April 29, 2025Assignee: Diodes IncorporatedInventors: Dongjie Cheng, Vijay Hugar, Sumit Bhat, Joy Das
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Publication number: 20250106965Abstract: A system includes a plurality of lighting modules, and a plurality of MOSFET devices connected in parallel and coupled between one of the plurality of lighting modules and ground, wherein the plurality of MOSFET devices comprises a first MOSFET device group configured to provide a bleed current flowing through the one of the plurality of lighting modules, a second MOSFET device group configured to provide a delay compensation current flowing through the one of the plurality of lighting modules, a third MOSFET device group configured to provide a PWM current flowing through the one of the plurality of lighting modules, and a fourth MOSFET device group configured to adjust a current flowing through the one of the plurality of lighting modules.Type: ApplicationFiled: December 10, 2024Publication date: March 27, 2025Inventors: Dongjie Cheng, Vijay Hugar, Sumit Bhat, Joy Das
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Patent number: 12207368Abstract: An apparatus includes a bandgap voltage reference configured to generate a current reference for controlling a plurality of light emitting diode channels, a plurality of MOSFET devices connected in parallel and coupled between a cathode of a light emitting diode channel and ground, wherein the plurality of MOSFET devices is configured to control a current flowing through the light emitting diode channel, and a control circuit configured to generate gate drive signals for the plurality of MOSFET devices, wherein the gate drive signals are configured to adjust the current flowing through the light emitting diode channel based on a predetermined color and a predetermined brightness level of the light emitting diode channel.Type: GrantFiled: May 17, 2022Date of Patent: January 21, 2025Assignee: Diodes IncorporatedInventors: Dongjie Cheng, Vijay Hugar, Sumit Bhat, Joy Das
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Publication number: 20230422373Abstract: An apparatus includes a bandgap voltage reference configured to generate a current reference for controlling a plurality of light emitting diode channels, a plurality of MOSFET devices connected in parallel and coupled between a cathode of a light emitting diode channel and ground, wherein the plurality of MOSFET devices is configured to control a current flowing through the light emitting diode channel, and a control circuit configured to generate gate drive signals for the plurality of MOSFET devices, wherein the gate drive signals are configured to adjust the current flowing through the light emitting diode channel based on a predetermined color and a predetermined brightness level of the light emitting diode channel.Type: ApplicationFiled: May 17, 2022Publication date: December 28, 2023Inventors: Dongjie Cheng, Vijay Hugar, Sumit Bhat, Joy Das
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Publication number: 20230380029Abstract: An apparatus includes a plurality of MOSFET device groups connected in parallel, wherein a first common node of the plurality of MOSFET device groups is coupled to a cathode of a light emitting diode channel of a plurality of light emitting diode channels, and a second common node of the plurality of MOSFET device groups is connected to ground, and a control circuit configured to generate gate drive signals for the plurality of MOSFET device groups, wherein the gate drive signals are configured to adjust a current flowing through the light emitting diode channel based on a predetermined color and a predetermined brightness level of the light emitting diode channel, and under different duty cycles, the control circuit is configured to control the current flowing through the light emitting diode channel to be proportional to a corresponding duty cycle.Type: ApplicationFiled: October 14, 2022Publication date: November 23, 2023Inventors: Dongjie Cheng, Vijay Hugar, Sumit Bhat, Joy Das
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Patent number: 11526958Abstract: Disclosed herein are methods and system for redistributing bulk material across a geographical area. A method for providing bulk material for a wellbore operation, the method comprising: forming a logistical model database to determine bulk material required for an at least one wellsite located in a geographical area; acquiring bulk material from a distribution center; verifying the bulk material acquired; and transporting bulk material for the wellbore operation. A method for providing bulk material for a wellbore operation, the method comprising: determining demand for bulk material across a geographical area; collecting data throughout a life cycle of bulk material; transmitting collected data to an off-site network comprising an adaptive machine; analyzing collected data via the off-site network thereby producing an output; providing bulk material to a wellsite based on output.Type: GrantFiled: June 26, 2019Date of Patent: December 13, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Sumit Bhat, Stanley V. Stephenson, Oscar Andres Cabada Kriebel
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Patent number: 11353863Abstract: A method includes monitoring work done by a piece of equipment to generate backward-looking usage data. The method includes making a prediction of future work to be done by the piece of equipment, generating forward-looking usage data based on the prediction of future work, and making a prediction of when the piece of equipment is expected to fail based on the backward-looking usage data and on the forward-looking usage data. The method includes operating the piece of equipment after performing the prediction, and removing the piece of equipment from service prior to when the piece of equipment is expected to fail based on the prediction.Type: GrantFiled: February 25, 2019Date of Patent: June 7, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Stanley V. Stephenson, Thomas M. Logan, Sumit Bhat
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Publication number: 20210325865Abstract: A method includes monitoring work done by a piece of equipment to generate backward-looking usage data. The method includes making a prediction of future work to be done by the piece of equipment, generating forward-looking usage data based on the prediction of future work, and making a prediction of when the piece of equipment is expected to fail based on the backward-looking usage data and on the forward-looking usage data. The method includes operating the piece of equipment after performing the prediction, and removing the piece of equipment from service prior to when the piece of equipment is expected to fail based on the prediction.Type: ApplicationFiled: February 25, 2019Publication date: October 21, 2021Inventors: Stanley V. STEPHENSON, Thomas M. LOGAN, Sumit BHAT
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Publication number: 20200410622Abstract: Disclosed herein are methods and system for redistributing bulk material across a geographical area. A method for providing bulk material for a wellbore operation, the method comprising: forming a logistical model database to determine bulk material required for an at least one wellsite located in a geographical area; acquiring bulk material from a distribution center; verifying the bulk material acquired; and transporting bulk material for the wellbore operation. A method for providing bulk material for a wellbore operation, the method comprising: determining demand for bulk material across a geographical area; collecting data throughout a life cycle of bulk material; transmitting collected data to an off-site network comprising an adaptive machine; analyzing collected data via the off-site network thereby producing an output; providing bulk material to a wellsite based on output.Type: ApplicationFiled: June 26, 2019Publication date: December 31, 2020Applicant: Halliburton Energy Services, Inc.Inventors: Sumit Bhat, Stanley V. Stephenson, Oscar Andres Cabada Kriebel