Patents by Inventor Robert A. Walters
Robert A. Walters 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: 11649186Abstract: Vaporizers and systems for vaporizing liquid precursor for forming glass optical fiber preforms are provided. The vaporizer includes an expansion chamber at least partially enclosed by a side wall, the expansion chamber comprising an upper end and a lower end with the side wall disposed between the upper end and the lower end. The vaporizer further includes a closed-loop liquid delivery conduit positioned in the expansion chamber proximate to the upper end of the expansion chamber, wherein the closed-loop liquid delivery conduit comprises a plurality of nozzles oriented to direct a spray of liquid precursor onto an inner surface of the side wall. Further, the vaporizer includes at least one supply conduit positioned proximate the upper end of the expansion chamber and coupled to the closed-loop liquid delivery conduit, and a vapor delivery outlet coupled to the expansion chamber and configured to direct vaporized liquid precursor from the expansion chamber.Type: GrantFiled: February 5, 2020Date of Patent: May 16, 2023Assignee: Corning IncorporatedInventors: Stephen Mitchell Carlton, Paul Andrew Chludzinski, Jonathan Robert Greveling, Nikolaos Pantelis Kladias, Robert Walter Nason, Abhijit Rao
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Publication number: 20230137893Abstract: N-(3-Substituted thiazol-2(3H)-ylidene)-1H-pyrrolo[2,3-b]pyridine-3-carboxamides and N-(3-substituted oxazol-2(3H)-ylidene)-1H-pyrrolo[2,3-b]pyridine-3-carboxamides are disclosed. The compounds activate Yap and inhibit Lats kinases. They are therefore useful for treating hearing loss.Type: ApplicationFiled: February 5, 2021Publication date: May 4, 2023Applicant: The Rockefeller UniversityInventors: Ksenia GNEDEVA, A. James HUDSPETH, Nathaniel KASTAN, Rui LIANG, Peter T. MEINKE, David John HUGGINS, Nigel John LIVERTON, Leigh Ashley BAXT, John David GINN, Robert Walter MYERS
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Patent number: 11635642Abstract: A novel and useful quantum computing machine architecture that includes a classic computing core as well as a quantum computing core. A programmable pattern generator executes sequences of instructions that control the quantum core. In accordance with the sequences, a pulse generator functions to generate the control signals that are input to the quantum core to perform quantum operations. A partial readout of the quantum state in the quantum core is generated that is subsequently re-injected back into the quantum core to extend decoherence time. Access gates control movement of quantum particles in the quantum core. Errors are corrected from the partial readout before being re-injected back into the quantum core. Internal and external calibration loops calculate error syndromes and calibrate the control pulses input to the quantum core.Type: GrantFiled: December 18, 2021Date of Patent: April 25, 2023Assignee: Equal1.Labs Inc.Inventors: Dirk Robert Walter Leipold, George Adrian Maxim, Michael Albert Asker
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Publication number: 20230098131Abstract: An emergency wayfinding device includes a lighting circuit constructed and arranged to change at least one property of a light emitted from a light emitting element, and an electrical conduit including a plug. The plug of the electrical conduit is constructed configured to be received in a socket and to draw electricity from the socket to power the lighting circuit via the electrical conduit.Type: ApplicationFiled: December 5, 2022Publication date: March 30, 2023Inventors: Christopher Bailey, Robert Walter Richardson
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Patent number: 11611032Abstract: A novel and useful modified semiconductor fabrication technique for realizing reliable semiconductor quantum structures. Quantum structures require a minimization of the parasitic capacitance of the control gate and the quantum well. The modified semiconductor process eliminates the fabrication of the metal, contact, and optionally the raised diffusion layers from the quantum wells, thereby resulting in much lower well and gate capacitances and therefore larger Coulomb blockade voltages. This allows easier implementation of the electronic control circuits in that they can have larger intrinsic noise and relaxed analog resolution. Several processes are disclosed including implementations of semiconductor quantum structures with tunneling through an oxide layer as well as tunneling through a local well depleted region. These techniques can be used in both planar semiconductor processes and 3D, e.g., FinFET, semiconductor processes. A dedicated process masking step is used for realizing the raised diffusions.Type: GrantFiled: January 25, 2021Date of Patent: March 21, 2023Assignee: Equal1.Labs Inc.Inventors: Dirk Robert Walter Leipold, George Adrian Maxim, Michael Albert Asker
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Patent number: 11594999Abstract: The present teachings relate to a solar roof forming element for forming a solar roof of a building, comprising an extruded, elongate polymer roof plate, element coupling means, at least one solar panel covering the roof plate, panel coupling means for coupling the solar panel to the roof plate, comprising a first coupling part at a first side of the roof plate and a second coupling part at a first side of the solar panel, said coupling parts configured such that they mutually couple as a result of a movement of the solar panel relative to the roof plate, wherein in a coupled state a movement of the solar panel away from the roof plate in a direction perpendicular to the roof plate is blocked. The present teachings further relate to a combination of such solar roof forming elements, to a building, and to a method of forming a roof.Type: GrantFiled: July 4, 2019Date of Patent: February 28, 2023Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Roland Van Giesen, Henrica Norberta Alberta Maria Steenbakkers-Menting, Roeland Leonardus Hubertus Maria Verlaek, Petya Dochkova Yaneva, Robert Walter Venderbosch
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Patent number: 11533046Abstract: A novel and useful system and method of generating quantum unitary noise using silicon based quantum dot arrays. Unitary noise is derived from a probability of detecting a particle within a quantum dot array structure comprising position based charge qubits with two time independent basis states |0> and |1>. A two level electron tunneling device such as an interface device, qubit or other quantum structure is used to generate quantum noise. The electron tunneling device includes a reservoir of particles, a quantum dot, and a barrier that is used to control tunneling between the reservoir and the quantum dot. A detector circuit connected to the device outputs a digital stream corresponding to the probability of a particle of being detected. Controlling the bias applied to the barrier controls the probability of detection. Thus, the probability density function (PDF) of the output unitary noise can be controlled to correspond to a desired probability.Type: GrantFiled: November 9, 2021Date of Patent: December 20, 2022Assignee: Equal1.Labs Inc.Inventors: David J. Redmond, Dirk Robert Walter Leipold, Imran Bashir, Robert Bogdan Staszewski
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Patent number: 11533798Abstract: An emergency wayfinding device including a lighting controller, a lighting circuit, and a light emitting element. The emergency wayfinding device may draw electricity through a twist-lock plug or draw it from a power source such a battery or a photovoltaic cell. The wide-area communications device is in electrical communication with a connected lighting controller and is configured to send and receive signals or messages to and from a central broadcasting device as well as other emergency wayfinding devices. The lighting controller is configured to change a property of light emitted from a light emitting element based upon signals or messages received by a wide-area communications device. The wide-area communications device communicates a received message or signal to the lighting controller and the lighting controller generates a lighting control signal or message.Type: GrantFiled: November 23, 2021Date of Patent: December 20, 2022Assignee: Aclara Technologies LLCInventors: Christopher Bailey, Robert Walter Richardson
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Publication number: 20220380527Abstract: The invention relates to a composition comprising A) a polyester, B) a polyolefin and C) a compatibilizer, wherein C) is a functionalized polyolefin containing hydroxyl functional groups or a reaction product of the functionalized polyolefin and a polyester, wherein the total amount of A) and B) with respect to the total composition is at least 77 wt % and the amount of C) with respect to the total composition is 0.1 to 23 wt %.Type: ApplicationFiled: December 17, 2020Publication date: December 1, 2022Inventors: Robert Walter Venderbosch, Rob Boonman, Johannes Peter Antonius Martens, Karin Irene van de Wetering
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Publication number: 20220361307Abstract: A light dimming system includes one or more lights and includes a local light controller that includes a dimming controller and a processing circuit, the dimming controller configured to provide an output to the one or more light drivers. One or more electronic processors are configured to receive a dimming input value indicating a desired dimming level for the one or more lights. The processors are further configured to determine a configuration of the one or more light drivers, wherein the configuration defines whether the one or more light drivers utilize a non-linear dimming curve or a linear dimming curve, and provides the dimming controller a dimming level to output a dimming control signal to the one or more light drivers equivalent to the received dimming input value based on a non-linear or linear calculation.Type: ApplicationFiled: April 5, 2022Publication date: November 10, 2022Inventors: Peggy Rose Devereaux, Dennis Kelley, Robert Walter Richardson
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Patent number: 11477026Abstract: Systems and techniques are described to facilitate using secure tokens for stateless software defined networking. An initial configuration may be created for deploying a network device at a deployment site. A cryptographically secure certificate may be created that includes the initial configuration for deploying the network device at the deployment site. The cryptographically secure certificate may be stored in a secure token that can be inserted into a secure token reader that is located at the deployment site and communicatively coupled to the device at the deployment site. The network device may then be configured at the deployment site by using the secure token.Type: GrantFiled: August 21, 2020Date of Patent: October 18, 2022Assignee: Riverbed Technology, Inc.Inventors: Robert Walter Schumann, III, Donald Bradley Wood, Marlin Popeye McFate, Michael Clayton Rudd, Mircea I. T. Zetea, Carlos Marcelo Rodriguez de Luna
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Publication number: 20220328710Abstract: The invention relates to a photovoltaic module comprising (a) a front layer (1) arranged on the sunlight facing side of the photovoltaic module, wherein the front layer (1) comprises a first polypropylene composition, comprising a polypropylene, wherein the transmission of the front layer for light in the wavelength range of 350 nm to 1200 nm is on average at least 65% as compared to a situation without the front layer as determined according to ASTM D1003-13, (b) a sealing layer (2,4) which at least partly encapsulates a plurality of photovoltaic cells (3), wherein the sealing layer (2, 4) comprises a polyolefin elastomer composition comprising an ethylene-?-olefin copolymer and (c) a back layer (5), wherein the back layer (5) comprises a first reinforced polypropylene layer comprising a second polypropylene composition comprising a polypropylene and optionally a reinforcing filler, wherein the sealing layer is arranged between the front layer and the back layer.Type: ApplicationFiled: September 18, 2020Publication date: October 13, 2022Inventors: Huibert Johan VAN DEN HEUVEL, Rick Robert, Emilie BERCX, Roland VAN GIESEN, Robert Walter VENDERBOSCH, Henrica Norberta Alberta Maria STEENBAKKERS-MENTING, Maud VAN DER VEN, Petya Dochkova YANEVA
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Patent number: 11454833Abstract: Novel and useful quantum structures having a continuous well with control gates that control a local depletion region to form quantum dots. Local depleted well tunneling is used to control quantum operations to implement quantum computing circuits. Qubits are realized by modulating gate potential to control tunneling through local depleted region between two or more sections of the well. Complex structures with a higher number of qdots per continuous well and a larger number of wells are fabricated. Both planar and 3D FinFET semiconductor processes are used to build well to gate and well to well tunneling quantum structures. Combining a number of elementary quantum structure, a quantum computing machine is realized. An interface device provides an interface between classic circuitry and quantum circuitry by permitting tunneling of a single quantum particle from the classic side to the quantum side of the device.Type: GrantFiled: June 19, 2019Date of Patent: September 27, 2022Assignee: Equal1.Labs Inc.Inventors: Dirk Robert Walter Leipold, George Adrian Maxim, Michael Albert Asker
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Patent number: 11454834Abstract: Novel and useful quantum structures having a continuous well with control gates that control a local depletion region to form quantum dots. Local depleted well tunneling is used to control quantum operations to implement quantum computing circuits. Qubits are realized by modulating gate potential to control tunneling through local depleted region between two or more sections of the well. Complex structures with a higher number of qdots per continuous well and a larger number of wells are fabricated. Both planar and 3D FinFET semiconductor processes are used to build well to gate and well to well tunneling quantum structures. Combining a number of elementary quantum structure, a quantum computing machine is realized. An interface device provides an interface between classic circuitry and quantum circuitry by permitting tunneling of a single quantum particle from the classic side to the quantum side of the device.Type: GrantFiled: June 19, 2019Date of Patent: September 27, 2022Assignee: Equal1.Labs Inc.Inventors: Dirk Robert Walter Leipold, George Adrian Maxim, Michael Albert Asker
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Patent number: 11450760Abstract: Novel and useful quantum structures having a continuous fully depleted well with control gates that form two quantum dot on either side of the gate. Appropriate potentials are applied to the well and control gate to control quantum tunneling between quantum dots thereby enabling quantum operations to occur. Qubits are realized by modulating applied gate potential to control tunneling through a quantum transport path between two or more sections of the well. Complex structures with a higher number of quantum dots per continuous well and a larger number of wells can be fabricated. Both planar and 3D FinFET semiconductor processes are used to build well to gate and well to well tunneling quantum structures. An injection device permits tunneling of a single quantum particle from a classic side to a quantum side of the device. Detection interface devices detect the presence or absence of a particle destructively or nondestructively.Type: GrantFiled: January 20, 2020Date of Patent: September 20, 2022Assignee: Equal1.Labs Inc.Inventors: Dirk Robert Walter Leipold, George Adrian Maxim, Michael Albert Asker
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Patent number: 11423322Abstract: A novel and useful fully integrated quantum computer containing both quantum core circuitry and associated classical electronic control circuits on the same monolithic die. The integrated quantum computer avoids ESD loading on the quantum structures and minimizes the need for long interconnects with resultant large parasitic inductances and capacitances. Such parasitics reduce the maximum operating frequency of the realized quantum core structures. A cryostat unit functions to provide several temperatures to the quantum computer including a temperature to cool the quantum core to approximately 4° K and the interface SoC to 77° K. Alternatively, the interface circuitry is also integrated with the main QPU on the same die. A programmable pattern generator executes sequences of instructions that control the quantum core. In accordance with the sequences, a pulse generator functions to generate the control signals that are input to the quantum core to perform quantum operations.Type: GrantFiled: January 5, 2020Date of Patent: August 23, 2022Assignee: Equal1.Labs Inc.Inventors: Dirk Robert Walter Leipold, George Adrian Maxim, Michael Albert Asker
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Patent number: 11400530Abstract: Herein a chainsaw (1) is disclosed comprising a guide bar (3) and a chain (5) moveably arranged around the guide bar (3). The chainsaw (1) comprises an motor (9) comprising a motor shaft (11), wherein the motor (9) is configured to drive the chain (5) via the motor shaft (11). The chainsaw (1) further comprises a tension estimation arrangement (13) configured to sense a load on the motor shaft (11), and configured to estimate the tension of the chain (5) around the guide bar (3) on the basis of the sensed load on the motor shaft (11). The present disclosure further relates to a method of estimating tension of a chain (5) of a chainsaw (1).Type: GrantFiled: June 7, 2018Date of Patent: August 2, 2022Assignee: HUSQVARNA ABInventors: Robert Walter Schriever, E. Arnold Fie, II, Garrett Sherman, Victor Stramenga
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Patent number: 11366345Abstract: Novel and useful quantum structures that provide various control functions. Particles are brought into close proximity to interact with one another and exchange information. After entanglement, the particles are moved away from each other but they still carry the information contained initially. Measurement and detection are performed on the particles from the entangled ensemble to determine whether the particle is present or not in a given qdot. A quantum interaction gate is a circuit or structure operating on a relatively small number of qubits. Quantum interaction gates implement several quantum functions including a controlled NOT gate, quantum annealing gate, controlled SWAP gate, a controlled Pauli rotation gate, and ancillary gate. These quantum interaction gates can have numerous shapes including double V shape, H shape, X shape, L shape, I shape, etc.Type: GrantFiled: June 19, 2019Date of Patent: June 21, 2022Assignee: Equal1.Labs Inc.Inventors: Dirk Robert Walter Leipold, George Adrian Maxim, Michael Albert Asker
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Publication number: 20220167488Abstract: An emergency wayfinding device including a lighting controller, a lighting circuit, and a light emitting element. The emergency wayfinding device may draw electricity through a twist-lock plug or draw it from a power source such a a battery or a photovoltaic cell. The wide-area communications device is in electrical communication with a connected lighting controller and is configured to send and receive signals or messages to and from a central broadcasting device as well as other emergency wayfinding devices. The lighting controller is configured to change a property of light emitted from a light emitting element based upon signals or messages received by a wide-area communications device. The wide-area communications device communicates a received message or signal to the lighting controller and the lighting controller generates a lighting control signal or message.Type: ApplicationFiled: November 23, 2021Publication date: May 26, 2022Inventors: Christopher Bailey, Robert Walter Richardson
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Patent number: D970602Type: GrantFiled: May 24, 2019Date of Patent: November 22, 2022Inventors: Alicia Harvey Stanley, Briar D. Robinson, Robert Walter Kenny, Jr., Exus D. Altimus, William B. Harvey