Patents by Inventor Peter Crabtree
Peter Crabtree 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: 20230218206Abstract: Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.Type: ApplicationFiled: March 27, 2023Publication date: July 13, 2023Inventors: Jason HALAC, Sebastian BOHM, Vincent Peter CRABTREE, David S. DERENZY, Mark S. DERVAES, Nicholas KALFAS, Zebediah L. MCDANIEL, Michael Levozier MOORE, Todd Andrew NEWHOUSE, Michael A. PLOOF, Stephen Alan REICHERT, Peter C. SIMPSON, Alexander Leroy TEETER, Rodolfo GARCIA, Jaroslaw PIOTROWIAK, Thomas George O'CONNELL, Arlene G. DORIA
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Patent number: 11638540Abstract: Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.Type: GrantFiled: May 1, 2019Date of Patent: May 2, 2023Assignee: Dexcom, Inc.Inventors: Jason Halac, Sebastian Bohm, Vincent Peter Crabtree, David DeRenzy, Mark S. Dervaes, Nicholas Kalfas, Zebediah L. McDaniel, Michael Levozier Moore, Todd Andrew Newhouse, Michael A. Ploof, Stephen Alan Reichert, Peter C. Simpson, Alexander Leroy Teeter, Rodolfo Garcia, Jaroslaw Piotrowiak, Thomas George O'Connell, Arlene G. Doria
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Publication number: 20220192545Abstract: Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.Type: ApplicationFiled: March 7, 2022Publication date: June 23, 2022Inventors: Jason HALAC, Sebastian BOHM, Vincent Peter CRABTREE, David DERENZY, Mark S. DERVAES, Nicholas KALFAS, Zebediah L. MCDANIEL, Michael Levozier MOORE, Todd Andrew NEWHOUSE, Michael A. PLOOF, Stephen Alan REICHERT, Peter C. SIMPSON, Alexander Leroy TEETER, Rodolfo GARCIA, Jaroslaw PIOTROWIAK, Thomas George O'CONNELL, Arlene G. DORIA
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Patent number: 11350857Abstract: Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.Type: GrantFiled: May 1, 2019Date of Patent: June 7, 2022Assignee: Dexcom, Inc.Inventors: Jason Halac, Sebastian Bohm, Vincent Peter Crabtree, David DeRenzy, Mark S. Dervaes, Nicholas Kalfas, Zebediah L. McDaniel, Michael Levozier Moore, Todd Andrew Newhouse, Michael A. Ploof, Stephen Alan Reichert, Peter C. Simpson, Alexander Leroy Teeter, Rodolfo Garcia, Jaroslaw Piotrowiak, Thomas George O'Connell, Arlene G. Doria
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Publication number: 20190336053Abstract: Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.Type: ApplicationFiled: May 1, 2019Publication date: November 7, 2019Inventors: Jason Halac, Sebastian Bohm, Vincent Peter Crabtree, David DeRenzy, Mark S. Dervaes, Nicholas Kalfas, Zebediah L. McDaniel, Michael Levozier Moore, Todd Andrew Newhouse, Michael A. Ploof, Stephen Alan Reichert, Peter C. Simpson, Alexander Leroy Teeter, Rodolfo Garcia, Jaroslav Piotrowiak, Thomas George O'Connell, Arlene G. Doria
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Publication number: 20190342637Abstract: Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.Type: ApplicationFiled: May 1, 2019Publication date: November 7, 2019Inventors: Jason Halac, Sebastian Bohm, Vincent Peter Crabtree, David DeRenzy, Mark S. Dervaes, Nicholas Kalfas, Zebediah L. McDaniel, Michael Levozier Moore, Todd Andrew Newhouse, Michael A. Ploof, Stephen Alan Reichert, Peter C. Simpson, Alexander Leroy Teeter, Rodolfo Garcia, Jaroslav Piotrowiak, Thomas George O?Connell, Arlene G. Doria
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Patent number: 9730590Abstract: A system for assessing blood circulation in a subject's limb, including detection means for detecting a signal dependent upon the arterial blood volume in a limb of the subject when the subject is in a first posture and also when the subject is in a second posture, different to the first posture; and processing means for calculating a quantitative indicator that is dependent upon the ratio of the signal for the first posture to the signal for the second posture.Type: GrantFiled: October 9, 2013Date of Patent: August 15, 2017Assignee: Dialog Devices LimitedInventors: Vincent Peter Crabtree, Peter Richard Smith
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Patent number: 9636671Abstract: A homogenous process for the hydrogenation of the carboxylic acids and/or derivatives thereof in the presence of a catalyst comprising ruthenium, rhodium, iron, osmium or palladium, and an organic phosphine is described in which the hydrogenation is carried out in the presence of at least about 1% by weight water. A process for regenerating a catalyst comprising ruthenium, rhodium, iron, osmium or palladium and an organic phosphine is also described in which the regeneration is carried out in the presence of hydrogen and water.Type: GrantFiled: August 17, 2012Date of Patent: May 2, 2017Assignee: Davy Process Technology LimitedInventors: Melvyn Kilner, Derek Vincent Tyers, Simon Peter Crabtree, Michael Anthony Wood
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Patent number: 9035080Abstract: The present invention relates to a process for recovery of homogeneous metal hydride catalyst from a reactor stream as catalyst suitable for recycle to a reactor comprising the steps of: removing a stream from a reactor, said stream comprising the homogeneous metal hydride catalyst; contacting the stream with a solid acidic absorbent under process conditions which allow at least some of the metal to become bound to the absorbent; subjecting the metal bound to the absorbent, under process conditions which allow desorption of the metal, to a fluid stripping medium comprising hydrogen and solvent; and recovering the active metal hydride catalyst.Type: GrantFiled: November 14, 2011Date of Patent: May 19, 2015Assignee: Davy Process Technology LimitedInventors: Simon Peter Crabtree, Robert Wild, Simon Wayne Jackson, James Andrew Banister
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Patent number: 8585602Abstract: A system for assessing blood circulation in a subject's limb, including detection means for detecting a signal dependent upon the arterial blood volume in a limb of the subject when the subject is in a first posture and also when the subject is in a second posture, different to the first posture; and processing means for calculating a quantitative indicator that is dependent upon the ratio of the signal for the first posture to the signal for the second posture.Type: GrantFiled: January 10, 2005Date of Patent: November 19, 2013Assignee: Dialog Devices LimitedInventors: Vincent Peter Crabtree, Peter Richard Smith
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Publication number: 20130029831Abstract: A homogenous process for the hydrogenation of the carboxylic acids and/or derivatives thereof in the presence of a catalyst comprising ruthenium, rhodium, iron, osmium or palladium, and an organic phosphine is described in which the hydrogenation is carried out in the presence of at least about 1% by weight water. A process for regenerating a catalyst comprising ruthenium, rhodium, iron, osmium or palladium and an organic phosphine is also described in which the regeneration is carried out in the presence of hydrogen and water.Type: ApplicationFiled: August 17, 2012Publication date: January 31, 2013Inventors: Melvyn Kilner, Derek Vincent Tyers, Simon Peter Crabtree, Michael Anthony Wood
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Publication number: 20120130102Abstract: The present invention relates to a process for recovery of homogeneous metal hydride catalyst from a reactor stream as catalyst suitable for recycle to a reactor comprising the steps of: removing a stream from a reactor, said stream comprising the homogeneous metal hydride catalyst; contacting the stream with a solid acidic absorbent under process conditions which allow at least some of the metal to become bound to the absorbent; subjecting the metal bound to the absorbent, under process conditions which allow desorption of the metal, to a fluid stripping medium comprising hydrogen and solvent; and recovering the active metal hydride catalyst.Type: ApplicationFiled: November 14, 2011Publication date: May 24, 2012Applicant: Davy Process Technology LimitedInventors: Simon Peter CRABTREE, Robert Wild, Simon Wayne Jackson, James Andrew Banister
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Publication number: 20100332373Abstract: A multidimensional energy decision system, comprising a plurality of server systems, including at least a statistics server and an interface adapted to receive and send digital information from at least a client system, and further adapted to optionally communicate with the digital exchange via a packet-based data network, wherein the multidimensional energy decision system periodically optimizes operational parameters of client system for a specific time period and a specific energy asset from client system based on forecasted conditions, and directly, or upon decision confirmation from a client system, procures or makes dispatchable energy resources, related externalities, or related derivative financial products, available to a digital exchange or other parties, wherein upon the purchase of a listed asset by another party or across digital exchange, implements dispatch procedures to satisfy the issued contract and, optionally, provides monitoring and verification of performance, is disclosed.Type: ApplicationFiled: June 10, 2010Publication date: December 30, 2010Inventors: Jason Crabtree, Alan McCord, Jimmy Jia, Oliver Venn, Michael Hoak, Andrew Charneski, Peter Crabtree
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Patent number: 7709689Abstract: A homogenous process for the hydrogenation of the carboxylic acids and/or derivatives thereof in the presence of a catalyst comprising ruthenium, rhodium, iron, osmium or palladium, and an organic phosphine is described in which the hydrogenation is carried out in the presence of at least about 1% by weight water. A process for regenerating a catalyst comprising ruthenium, rhodium, iron, osmium or palladium and an organic phosphine is also described in which the regeneration is carried out in the presence of hydrogen and water.Type: GrantFiled: April 29, 2003Date of Patent: May 4, 2010Assignee: Davy Process Technololgy LimitedInventors: Melvyn Kilner, Derek Vincent Tyers, Simon Peter Crabtree, Michael Anthony Wood
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Publication number: 20100099550Abstract: A homogenous process for the hydrogenation of the carboxylic acids and/or derivatives thereof in the presence of a catalyst comprising ruthenium, rhodium, iron, osmium or palladium, and an organic phosphine is described in which the hydrogenation is carried out in the presence of at least about 1% by weight water. A process for regenerating a catalyst comprising ruthenium, rhodium, iron, osmium or palladium and an organic phosphine is also described in which the regeneration is carried out in the presence of hydrogen and water.Type: ApplicationFiled: August 24, 2009Publication date: April 22, 2010Inventors: Melvyn Kilner, Derek Vincent Tyers, Simon Peter Crabtree, Michael Anthony Wood
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Publication number: 20090306365Abstract: A process for the hydrogenolysis of a sugar feedstock in the presence of a catalyst comprising: (a) ruthenium or osmium; and (b) an organic phosphine; and wherein the hydrogenolysis is carried out in the presence of water and at a temperature of greater than 150° C.Type: ApplicationFiled: August 18, 2009Publication date: December 10, 2009Inventors: Simon Peter Crabtree, Derek Vincent Tyers
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Patent number: 7498450Abstract: A homogeneous process for the hydrogenation of dicarboxylic acids and/or anhydrides in the presence of a catalyst comprising: (a) ruthenium, rhodium, iron, osmium or palladium; and (b) an organic phosphine; wherein the hydrogenation is carried out in the presence of at least about 1% by weight water and wherein the reaction is carried out at a pressure of from about 500 psig to about 2000 psig and a temperature of from about 200° C. to about 300° C. such that from about 1 mol to about 10 mol of hydrogen are used to strip 1 mole of product from the reactor.Type: GrantFiled: October 15, 2004Date of Patent: March 3, 2009Assignee: Davy Process Technology LimitedInventors: Michael Anthony Wood, Simon Peter Crabtree, Derek Vincent Tyers
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Patent number: 7427684Abstract: A homogeneous process for the hydrogenation of dicarboxylic acid and/or derivative thereof with an amine in the presence of a catalyst comprising: (a) ruthenium or osmium; and (b) an organic phosphine; and wherein the hydrogenation is carried out in the presence of water.Type: GrantFiled: October 15, 2004Date of Patent: September 23, 2008Assignee: Davy Process Technology LimitedInventors: Simon Peter Crabtree, Derek Vincent Tyers, Mohammed Sharif
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Patent number: 6982357Abstract: A process is described for the production of propane-1,3-diol. The process comprises subjecting a vaporous feed mixture comprising a hydrogen-containing gas and a feedstock selected from 3-hydroxypropanal, ?-propiolactone, oligomers of ?-propiolactone, esters of 3-hydroxypropanoic acid, and mixtures of two or more thereof to hydrogenation conditions in a hydrogenation zone in the presence of a heterogeneous hydrogenation catalyst, and recovering a reaction product comprising propane-1,3-diol.Type: GrantFiled: March 14, 2001Date of Patent: January 3, 2006Assignee: Davy Process Technology LimitedInventors: Simon Peter Crabtree, Richard Kevin Henderson
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Publication number: 20040171478Abstract: The present invention relates to a process for recovery of homogeneous metal hydride catalyst from a reactor stream as catalyst suitable for recycle to a reactor comprising the steps of: removing a stream from a reactor, said stream comprising the homogeneous metal hydride catalyst; contacting the stream with a solid acidic absorbent under process conditions which allow at least some of the metal to become bound to the absorbent; subjecting the metal bound to the absorbent, under process conditions which allow desorption of the metal, to a fluid stripping medium comprising hydrogen and solvent; and recovering the active metal hydride catalyst.Type: ApplicationFiled: April 19, 2004Publication date: September 2, 2004Inventors: Simon Peter Crabtree, Robert Wild, Simon Wayne Jackson, James Andrew Banister