Patents by Inventor David Todd
David Todd 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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Publication number: 20230065880Abstract: Methods and systems provide for receiving, at a remote server, first data and a first sharing key acquired from a first processor associated with a first medical practice, and receiving, at the remote server, second data and a second sharing key acquired from a second processor associated with a second medical practice. The methods and systems provide for comparing, by the remote server, the first sharing key to the second sharing key, and granting, to the first and second processors by the remote server, access to the first and second data stored in the remote server in response to a successful comparison of the first and second sharing keys. The methods and systems provide for sharing, by the remote server, the first and second data with the first and second processors in response to the grant of access.Type: ApplicationFiled: August 31, 2022Publication date: March 2, 2023Applicant: INSPIRE MEDICAL SYSTEMS, INC.Inventors: John Rondoni, David Todd Dieken
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Publication number: 20230061848Abstract: An electric driven hydraulic fracking system is disclosed. A pump configuration that includes the single VFD, the single shaft electric motor, and the single hydraulic pump that is mounted on the single pump trailer. A pump configuration includes a single VFD configuration, the single shaft electric motor, and the single shaft hydraulic pump mounted on the single pump trailer. The single VFD configuration converts the electric power at the power generation voltage level distributed from the power distribution trailer to a VFD voltage level and drives the single shaft electric motor to control the operation of the single shaft electric motor and the single hydraulic pump. The VFD voltage level is a voltage level that is required to drive the single shaft electric motor. The VFD configuration also controls operation of the auxiliary systems based on the electric power at the auxiliary voltage level.Type: ApplicationFiled: November 8, 2022Publication date: March 2, 2023Inventors: John Fischer, John J. Crosetto, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen
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Publication number: 20230033487Abstract: An electric driven hydraulic fracking system is disclosed. A pump configuration that includes the single VFD, the single shaft electric motor, and the single hydraulic pump that is mounted on the single pump trailer. A power distribution trailer distributes the electric power generated by the power generation system at the power generation voltage level to the single VFD and converts the electric power at a power generation voltage level to a VFD voltage level and controls the operation of the single shaft electric motor and the single hydraulic pump. The power distribution trailer converts the electric power generated by the power generation system at the power generation level to an auxiliary voltage level that is less than the power generation voltage level. The power distribution trailer distributes the electric power at the auxiliary voltage level to the single VFD that controls an operation of the of the auxiliary systems.Type: ApplicationFiled: October 11, 2022Publication date: February 2, 2023Inventors: John Fischer, John J. Crosetto, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen
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Publication number: 20230033433Abstract: An electric driven hydraulic fracking system is disclosed. A pump configuration includes the single VFD, the single shaft electric motor, and the single hydraulic pump mounted on the single pump trailer. A controller associated with the single VFD and is mounted on the single pump trailer. The controller monitors operation parameters associated with an operation of the electric driven hydraulic fracking system as each component of the electric driven hydraulic fracking system operates to determine whether the operation parameters deviate beyond a corresponding operation parameter threshold. Each of the operation parameters provides an indicator as to an operation status of a corresponding component of the electric driven hydraulic fracking system. The controller initiates corrected actions when each operation parameter deviates beyond the corresponding operation threshold.Type: ApplicationFiled: October 18, 2022Publication date: February 2, 2023Inventors: John Fischer, John J. Crosetto, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen
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Publication number: 20230029752Abstract: Systems and methods are disclosed for receiving readout requests associated with reading the content of an electronic document by a screen reader application of a client device. In response, an electronic document system applies a document component identification model to the electronic document to generate indicia of at least one conventional segment for conventional readout using left-to-right, top-to-bottom readout and indicia of an unconventional segment to be read out in a manner different from the conventional readout. A document tree, representing a readout sequence, is constructed based on the at least one conventional segment and unconventional segments. The electronic document system provides the document tree to a screen reader, which may perform a readout based on the document tree.Type: ApplicationFiled: July 29, 2021Publication date: February 2, 2023Inventors: Santiago Szuchmacher, Keith Arthur Kriewall, David Todd Kriewall, Brent Weston Robinett
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Patent number: 11566545Abstract: A gas engine is disclosed. The gas engine may include a combustion cylinder. The combustion cylinder may include an intake with an intake valve. The combustion cylinder may include an exhaust with an exhaust valve. The gas engine may include a gas admission valve assembly coupled to the intake. The gas admission assembly may include a trimmable electro-hydraulically actuatable gas admission valve to control a gas flow into the intake.Type: GrantFiled: May 2, 2019Date of Patent: January 31, 2023Assignee: Caterpillar Inc.Inventors: David Yu Zhang Chang, David Todd Montgomery, Scott Fiveland, Scott F. Shafer
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Patent number: 11560764Abstract: Certain embodiments of the present application relate to a variable frequency drive (VFD) cabin for a pump configuration including a mobile trailer on which the VFD cabin is to be mounted. The VFD cabin generally includes a medium-voltage VFD and a ventilation system. In certain embodiments, the ventilation system is configured to generate an overpressure condition within the cabin to discourage the entry of dust and debris into the cabin. In certain embodiments, one or more components of the medium-voltage VFD are coupled to the floor of the cabin via a vibration damping system. In certain embodiments, the VFD cabin may be directly coupled to a chassis of the mobile trailer without an intervening suspension being provided between the VFD cabin and the chassis.Type: GrantFiled: July 20, 2022Date of Patent: January 24, 2023Assignee: National Service Alliance—Houston LLCInventors: John Fischer, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen, John J. Crosetto
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Publication number: 20220356772Abstract: Certain embodiments of the present application relate to a variable frequency drive (VFD) cabin for a pump configuration including a mobile trailer on which the VFD cabin is to be mounted. The VFD cabin generally includes a medium-voltage VFD and a ventilation system. In certain embodiments, the ventilation system is configured to generate an overpressure condition within the cabin to discourage the entry of dust and debris into the cabin. In certain embodiments, one or more components of the medium-voltage VFD are coupled to the floor of the cabin via a vibration damping system. In certain embodiments, the VFD cabin may be directly coupled to a chassis of the mobile trailer without an intervening suspension being provided between the VFD cabin and the chassis.Type: ApplicationFiled: July 20, 2022Publication date: November 10, 2022Inventors: John Fischer, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen, John J. Crosetto
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Patent number: 11492860Abstract: An electric driven hydraulic fracking system is disclosed. A pump configuration that includes the single VFD, the single shaft electric motor, and the single hydraulic pump that is mounted on the single pump trailer. A pump configuration includes a single VFD configuration, the single shaft electric motor, and the single shaft hydraulic pump mounted on the single pump trailer. The single VFD configuration converts the electric power at the power generation voltage level distributed from the power distribution trailer to a VFD voltage level and drives the single shaft electric motor to control the operation of the single shaft electric motor and the single hydraulic pump. The VFD voltage level is a voltage level that is required to drive the single shaft electric motor. The VFD configuration also controls operation of the auxiliary systems based on the electric power at the auxiliary voltage level.Type: GrantFiled: May 3, 2022Date of Patent: November 8, 2022Assignee: National Service Alliance—Houston LLCInventors: John Fischer, John J. Crosetto, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen
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Patent number: 11473381Abstract: An electric driven hydraulic fracking system is disclosed. A pump configuration includes the single VFD, the single shaft electric motor, and the single hydraulic pump mounted on the single pump trailer. A controller associated with the single VFD and is mounted on the single pump trailer. The controller monitors operation parameters associated with an operation of the electric driven hydraulic fracking system as each component of the electric driven hydraulic fracking system operates to determine whether the operation parameters deviate beyond a corresponding operation parameter threshold. Each of the operation parameters provides an indicator as to an operation status of a corresponding component of the electric driven hydraulic fracking system. The controller initiates corrected actions when each operation parameter deviates beyond the corresponding operation threshold.Type: GrantFiled: March 29, 2022Date of Patent: October 18, 2022Assignee: National Service Alliance—Houston LLCInventors: John Fischer, John J. Crosetto, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen
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Patent number: 11466550Abstract: An electric driven hydraulic fracking system is disclosed. A pump configuration that includes the single VFD, the single shaft electric motor, and the single hydraulic pump that is mounted on the single pump trailer. A power distribution trailer distributes the electric power generated by the power generation system at the power generation voltage level to the single VFD and converts the electric power at a power generation voltage level to a VFD voltage level and controls the operation of the single shaft electric motor and the single hydraulic pump. The power distribution trailer converts the electric power generated by the power generation system at the power generation level to an auxiliary voltage level that is less than the power generation voltage level. The power distribution trailer distributes the electric power at the auxiliary voltage level to the single VFD that controls an operation of the of the auxiliary systems.Type: GrantFiled: November 9, 2021Date of Patent: October 11, 2022Assignee: National Service Alliance—Houston LLCInventors: John Fischer, John J. Crosetto, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen
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Patent number: 11462688Abstract: The present disclosure relates to a device that includes a first layer that includes at least one of a semiconducting material, a hole transport material (HTM), and/or an electron transport material (ETM), a second layer, and a third layer that includes a material that is at least one of transparent or conductive, where the second layer is positioned between the first layer and the third layer, the first layer, the second layer, and the third layer are in electrical contact with each other, and the third layer has a first thickness between greater than zero nm and about 100 nm. In some embodiments of the present disclosure, the semiconducting material may include a perovskite.Type: GrantFiled: September 27, 2019Date of Patent: October 4, 2022Assignee: Alliance for Sustainable Energy, LLCInventors: Axel Finn Palmstrom, Tomas Leijtens, Joseph Jonathan Berry, David Todd Moore
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Publication number: 20220309479Abstract: A computer system processes a digital representation of an illiquid asset, to confirm accuracy of the digital representation and value of the asset, and generates an asset-information table indicating where the various sections of the digital representation are stored. The system also generates an asset-value token, financial-return tokens, and a data structure that includes a self-executing program. The program associates the asset-value token with the financial-return tokens, so that the illiquid asset becomes a collateral for a decentralized loan transaction implemented using blockchain technology. The use of blockchain technology for decentralized loan transactions enables immutable data traceability.Type: ApplicationFiled: March 26, 2022Publication date: September 29, 2022Inventors: Patrick D. O'Meara, Richard Gates Bunker, JR., Quentin Vidal, Scott Jason Landers, Jeannette L. Spaulding, Kevin M. Cuddeback, Sanjay Vatsa, David Todd Stevens, Michael Carlo Creadon, Christos Alkiviadis Polyzois
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Publication number: 20220290641Abstract: A dual fuel system for an internal combustion engine includes a first fuel supply of a liquid pilot fuel, a primary fuel supply of a liquid primary fuel, and a dual fuel injector. The dual fuel injector includes a spill valve fluidly connected with a plunger cavity and movable to control a start of injection and an end of injection, and an admission valve. The admission valve is movable to admit a pilot fuel into the fuel injector, such that the pilot fuel is conveyed through an outlet check to form, within a primary fuel passage fluidly connected to the plunger cavity, a segmented fuel charge of leading pilot fuel and trailing primary fuel by displacing some of the primary fuel. The liquid pilot fuel may be a higher cetane/lower octane liquid fuel, and the primary fuel may be a lower cetane/higher octane liquid fuel.Type: ApplicationFiled: June 3, 2022Publication date: September 15, 2022Applicant: Caterpillar Inc.Inventors: Eric Lee Schroeder, David Todd Montgomery, Dana Ray Coldren, Chad Koci
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Patent number: 11437150Abstract: Methods and systems provide for receiving, at a remote server, first data and a first sharing key acquired from a first processor associated with a first medical practice, and receiving, at the remote server, second data and a second sharing key acquired from a second processor associated with a second medical practice. The methods and systems provide for comparing, by the remote server, the first sharing key to the second sharing key, and granting, to the first and second processors by the remote server, access to the first and second data stored in the remote server in response to a successful comparison of the first and second sharing keys. The methods and systems provide for sharing, by the remote server, the first and second data with the first and second processors in response to the grant of access.Type: GrantFiled: May 22, 2019Date of Patent: September 6, 2022Assignee: Inspire Medical Systems, Inc.Inventors: John Rondoni, David Todd Dieken
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Patent number: 11434709Abstract: Certain embodiments of the present application relate to a variable frequency drive (VFD) cabin for a pump configuration including a mobile trailer on which the VFD cabin is to be mounted. The VFD cabin generally includes a medium-voltage VFD and a ventilation system. In certain embodiments, the ventilation system is configured to generate an overpressure condition within the cabin to discourage the entry of dust and debris into the cabin. In certain embodiments, one or more components of the medium-voltage VFD are coupled to the floor of the cabin via a vibration damping system. In certain embodiments, the VFD cabin may be directly coupled to a chassis of the mobile trailer without an intervening suspension being provided between the VFD cabin and the chassis.Type: GrantFiled: February 14, 2022Date of Patent: September 6, 2022Assignee: National Service Alliance—Houston LLCInventors: John Fischer, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen, John J. Crosetto
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Publication number: 20220259931Abstract: An electric driven hydraulic fracking system is disclosed. A pump configuration that includes the single VFD, the single shaft electric motor, and the single hydraulic pump that is mounted on the single pump trailer. A pump configuration includes a single VFD configuration, the single shaft electric motor, and the single shaft hydraulic pump mounted on the single pump trailer. The single VFD configuration converts the electric power at the power generation voltage level distributed from the power distribution trailer to a VFD voltage level and drives the single shaft electric motor to control the operation of the single shaft electric motor and the single hydraulic pump. The VFD voltage level is a voltage level that is required to drive the single shaft electric motor. The VFD configuration also controls operation of the auxiliary systems based on the electric power at the auxiliary voltage level.Type: ApplicationFiled: May 3, 2022Publication date: August 18, 2022Inventors: John Fischer, John J. Crosetto, David Kubricht, Richard Cheatham, Jeffrey Pollack, Chad Lawman, David Todd, Tyler Nolen
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Patent number: 11415034Abstract: An aftertreatment system for treatment of exhaust gases exiting an engine includes a first Selective Catalytic Reduction (SCR) device in fluid communication with the engine. The first SCR device receives the exhaust gases exiting the engine for reducing a first quantity of oxides of nitrogen (NOx) present in the exhaust gases. The aftertreatment system also includes an oxidation catalyst in fluid communication with the first SCR device. The oxidation catalyst receives the exhaust gases exiting the first SCR device for oxidizing ammonia present in the exhaust gases into a second quantity of NOx. The aftertreatment system further includes a second SCR device in fluid communication with the oxidation catalyst. The second SCR device receives the exhaust gases exiting the oxidation catalyst for reducing the second quantity of NOx.Type: GrantFiled: November 23, 2020Date of Patent: August 16, 2022Assignee: Caterpillar Inc.Inventor: David Todd Montgomery
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Publication number: 20220243691Abstract: A dual fuel system for an internal combustion engine includes a first fuel supply of a liquid pilot fuel, a primary fuel supply of a liquid primary fuel, and a dual fuel injector. The dual fuel injector includes a spill valve fluidly connected with a plunger cavity and movable to control a start of injection and an end of injection, and an admission valve. The admission valve is movable to admit a pilot fuel into the fuel injector, such that the pilot fuel is conveyed through an outlet check to form, within a primary fuel passage fluidly connected to the plunger cavity, a segmented fuel charge of leading pilot fuel and trailing primary fuel by displacing some of the primary fuel. The liquid pilot fuel may be a higher cetane/lower octane liquid fuel, and the primary fuel may be a lower cetane/higher octane liquid fuel.Type: ApplicationFiled: February 4, 2021Publication date: August 4, 2022Applicant: Caterpillar Inc.Inventors: Eric Lee Schroeder, David Todd Montgomery, Dana Ray Coldren, Chad Koci
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Patent number: 11390533Abstract: The present disclosure relates to a composition that includes a perovskite crystal, where the perovskite crystal is in the form of a powder, and the perovskite crystal is semiconducting and photovoltaically active.Type: GrantFiled: December 16, 2019Date of Patent: July 19, 2022Assignees: Alliance for Sustainable Energy, LLC, The Regents of the University of Colorado, a Body CorporateInventors: Marinus Franciscus Antonius Maria van Hest, David Todd Moore, Benjia Dou