Patents by Inventor Andrew Thom
Andrew Thom 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: 11890484Abstract: Implantable medical devices have modular lead bores that are constructed from individual lead bore modules. A given modular lead bore utilizes the number of individual lead bore modules necessary for the particular implantable medical device. Each lead bore module has a lead bore passageway and a feedthrough passageway. An electrical contact is present within the lead bore passageway of each lead bore module and the electrical contact is aligned to the lead bore passageway of a lead bore module. Hermetic feedthrough assemblies are also present within the lead bore passageway of each lead bore module. A feedthrough pin passes through a hermetic feedthrough assembly within a feedthrough passageway of each lead bore module. Each feedthrough pin is electrically coupled to a corresponding electrical contact and the medical device circuitry.Type: GrantFiled: December 21, 2022Date of Patent: February 6, 2024Assignee: MEDTRONIC, INC.Inventors: Darren A. Janzig, Andrew Thom, Brad Tischendorf, Randy S. Roles, Steven T. Deininger, Nicholas R. Whitehead
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Publication number: 20230372905Abstract: The present disclosure relates to oxidation catalyst compositions for use in a close-coupled diesel oxidation catalyst (ccDOC) application, in which the ccDOC can function as a heat generator under high space velocity conditions. The oxidation catalyst compositions include a high surface area support material doped with at least one metal oxide, and a platinum group metal (PGM) supported on the doped high surface area support material.Type: ApplicationFiled: October 15, 2021Publication date: November 23, 2023Inventors: M. Shahjahan Kazi, Shiang Sung, Claire Chunjuan Zhang, Xiaolai Zheng, Sandip D. Shah, Andrew Thoms
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Publication number: 20230127724Abstract: Implantable medical devices have modular lead bores that are constructed from individual lead bore modules. A given modular lead bore utilizes the number of individual lead bore modules necessary for the particular implantable medical device. Each lead bore module has a lead bore passageway and a feedthrough passageway. An electrical contact is present within the lead bore passageway of each lead bore module and the electrical contact is aligned to the lead bore passageway of a lead bore module. Hermetic feedthrough assemblies are also present within the lead bore passageway of each lead bore module. A feedthrough pin passes through a hermetic feedthrough assembly within a feedthrough passageway of each lead bore module. Each feedthrough pin is electrically coupled to a corresponding electrical contact and the medical device circuitry.Type: ApplicationFiled: December 21, 2022Publication date: April 27, 2023Inventors: Darren A. Janzig, Andrew Thom, Brad Tischendorf, Randy S. Roles, Steven T. Deininger, Nicholas R. Whitehead
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Patent number: 11559695Abstract: Implantable medical devices have modular lead bores that are constructed from individual lead bore modules. A given modular lead bore utilizes the number of individual lead bore modules necessary for the particular implantable medical device. Each lead bore module has a lead bore passageway and a feedthrough passageway. An electrical contact is present within the lead bore passageway of each lead bore module and the electrical contact is aligned to the lead bore passageway of a lead bore module. Hermetic feedthrough assemblies are also present within the lead bore passageway of each lead bore module. A feedthrough pin passes through a hermetic feedthrough assembly within a feedthrough passageway of each lead bore module. Each feedthrough pin is electrically coupled to a corresponding electrical contact and the medical device circuitry.Type: GrantFiled: December 17, 2019Date of Patent: January 24, 2023Assignee: MEDTRONIC, INC.Inventors: Darren A. Janzig, Andrew Thom, Brad Tischendorf, Randy S. Roles, Steven T. Deininger, Nicholas R. Whitehead
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Patent number: 11268420Abstract: A system for treatment of an exhaust gas stream from an engine is provided, containing an upstream selective catalytic reduction (SCR) catalyst, which receives the exhaust gas stream without any intervening catalyst, a diesel oxidation catalyst (DOC) positioned downstream thereof; a catalyzed soot filter (CSF) downstream of the diesel oxidation catalyst; a second SCR catalyst positioned downstream of the catalyzed soot filter; and an ammonia oxidation (AMOx) catalyst. The application also describes use of such systems to reduce nitrogen oxides (NOx) and hydrocarbons (HC) in an exhaust gas stream.Type: GrantFiled: February 18, 2019Date of Patent: March 8, 2022Assignee: BASF CorporationInventors: Kenneth E. Voss, Kevin A. Hallstrom, Sandip D. Shah, David M. Youngren, Andrew Thoms, M. Shahjahan Kazi, Robert Dorner
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Publication number: 20210178168Abstract: Implantable medical devices have modular lead bores that are constructed from individual lead bore modules. A given modular lead bore utilizes the number of individual lead bore modules necessary for the particular implantable medical device. Each lead bore module has a lead bore passageway and a feedthrough passageway. An electrical contact is present within the lead bore passageway of each lead bore module and the electrical contact is aligned to the lead bore passageway of a lead bore module. Hermetic feedthrough assemblies are also present within the lead bore passageway of each lead bore module. A feedthrough pin passes through a hermetic feedthrough assembly within a feedthrough passageway of each lead bore module. Each feedthrough pin is electrically coupled to a corresponding electrical contact and the medical device circuitry.Type: ApplicationFiled: December 17, 2019Publication date: June 17, 2021Inventors: Darren A. Janzig, Andrew Thom, Brad Tischendorf, Randy S. Roles, Steven T. Deininger, Nicholas R. Whitehead
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Publication number: 20210079826Abstract: A system for treatment of an exhaust gas stream from an engine is provided, containing an upstream selective catalytic reduction (SCR) catalyst, which receives the exhaust gas stream without any intervening catalyst, a diesel oxidation catalyst (DOC) positioned downstream thereof; a catalyzed soot filter (CSF) downstream of the diesel oxidation catalyst; a second SCR catalyst positioned downstream of the catalyzed soot filter; and an ammonia oxidation (AMOx) catalyst. The application also describes use of such systems to reduce nitrogen oxides (NOx) and hydrocarbons (HC) in an exhaust gas stream.Type: ApplicationFiled: February 18, 2019Publication date: March 18, 2021Inventors: Kenneth E. Voss, Kevin A. Hallstrom, Sandip D. Shah, David M. Youngren, Andrew Thoms, M. Shahjahan Kazi, Robert Dorner
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Patent number: 10471266Abstract: A hermetic feedthrough for an implantable medical device includes a sheet having a hole defined therethrough, wherein the sheet comprises a first material that is an electrically insulative ceramic comprising alumina. The feedthrough further includes a second material substantially filling the hole so as to form a conduit, the second material having platinum and an additive that includes alumina. The second material does not include SiO2, MgO, or CaO. The first and second materials have a co-fired bond therebetween, the co-fired bond hermetically sealing the hole.Type: GrantFiled: July 12, 2016Date of Patent: November 12, 2019Assignees: MEDTRONIC, INC., KYOCERA CORPORATIONInventors: Kengo Morioka, Keiichi Fujii, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Hiroshi Makino, Andrew Thom, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Publication number: 20160317821Abstract: A method of manufacturing an implantable medical device includes manufacturing a hermetic feedthrough by providing a first sheet of unfired ceramic material, forming one or more holes through the sheet, inserting a first conductive material into one of the holes, and forming a pad in electrical contact with the first conductive material in one of the holes, wherein the pad comprises a plurality of layers and has a thickness of at least 50 micrometers, at least one layer comprising a second conductive material having a different composition than the first conductive material. The method further includes co-firing the unfired ceramic material, the first conductive material, and the second conductive material. The method further includes coupling the feedthrough to an encasement structure of the implantable medical device.Type: ApplicationFiled: July 12, 2016Publication date: November 3, 2016Applicants: Medtronic, Inc., Kyocera CorporationInventors: Kengo Morioka, Keiichi Fujii, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Hiroshi Makino, Andrew Thom, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Patent number: 9418778Abstract: A hermetic feedthrough for an implantable medical device includes an insulator, a conduit configured to conduct electricity through the insulator, and a ferrule coupled to the insulator. The insulator is formed from a ceramic material and the conduit and insulator have a co-fired bond therebetween, which hermetically seals the conduit with the insulator. The insulator is elongate and has opposing ends that include flat surfaces and the ferrule includes a frame for receiving the insulator.Type: GrantFiled: March 10, 2014Date of Patent: August 16, 2016Assignees: MEDTRONIC, INC., KYOCERA CORPORATIONInventors: Kengo Morioka, Keiichi Fujii, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Hiroshi Makino, Andrew Thom, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Patent number: 9008779Abstract: A hermetic feedthrough for an implantable medical device includes an insulator body and a ferrule. The insulator body includes ceramic material and one or more electrically conductive conduits extending through the insulator body. The insulator is disposed in an opening of the ferrule. The insulator body includes a plurality of substantially flat surfaces that each include a plurality of edges. A rounded corner extends between adjacent edges of any two adjacent substantially flat surfaces. Each corner between any two adjacent substantially flat surfaces that face toward the ferrule has an average radius that is less than approximately 25% of a length of the corresponding edges.Type: GrantFiled: February 7, 2014Date of Patent: April 14, 2015Assignees: Medtronic, Inc., Kyocera CorporationInventors: Kengo Morioka, Keiichi Fujii, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Hiroshi Makino, Andrew Thom, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Patent number: 8872035Abstract: A hermetic feedthrough for an implantable medical device includes a sheet having a hole, where the sheet includes a ceramic comprising alumina. The feedthrough also includes a second material substantially filling the hole, where the second material includes a platinum powder mixture and an alumina additive. The platinum powder mixture includes a first platinum powder having a median particle size of between approximately 3 and 10 micrometers and a second platinum powder that is coarser than the first platinum powder and has a median particle size of between approximately 5 and 20 micrometers. The platinum powder mixture includes between approximately 50 and 80 percent by weight of the first platinum powder and between approximately 20 and 50 percent by weight of the second platinum powder. The first and second materials have a co-fired bond therebetween that hermetically seals the hole.Type: GrantFiled: August 1, 2012Date of Patent: October 28, 2014Assignees: Medtronic, Inc., Kyocera CorporationInventors: Kengo Morioka, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Andrew Thom, Hiroshi Makino, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto, Takahito Hirata
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Publication number: 20140305694Abstract: A hermetic feedthrough for an implantable medical device includes an insulator, a conduit configured to conduct electricity through the insulator, and a ferrule coupled to the insulator. The insulator is formed from a ceramic material and the conduit and insulator have a co-fired bond therebetween, which hermetically seals the conduit with the insulator. The insulator is elongate and has opposing ends that include flat surfaces and the ferrule includes a frame for receiving the insulator.Type: ApplicationFiled: March 10, 2014Publication date: October 16, 2014Applicants: Medtronic, Inc., Kyocera CorporationInventors: Kengo Morioka, Keiichi Fujii, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Hiroshi Makino, Andrew Thom, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Patent number: 8841558Abstract: A feedthrough includes a sheet having a hole, where the sheet includes a first material that is a ceramic comprising alumina. The feedthrough further includes a second material substantially filling the hole. The second material is different than the first material and includes platinum and an additive that includes alumina. The first and second materials have a co-fired bond therebetween that hermetically seals the hole.Type: GrantFiled: August 2, 2011Date of Patent: September 23, 2014Assignees: Medtronic Inc., Kyocera CorporationInventors: Kengo Morioka, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Andrew Thom, Hiroshi Makino, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Publication number: 20140151114Abstract: A hermetic feedthrough for an implantable medical device includes an insulator body and a ferrule. The insulator body includes ceramic material and one or more electrically conductive conduits extending through the insulator body. The insulator is disposed in an opening of the ferrule. The insulator body includes a plurality of substantially flat surfaces that each include a plurality of edges. A rounded corner extends between adjacent edges of any two adjacent substantially flat surfaces. Each corner between any two adjacent substantially flat surfaces that face toward the ferrule has an average radius that is less than approximately 25% of a length of the corresponding edges.Type: ApplicationFiled: February 7, 2014Publication date: June 5, 2014Applicants: Medtronic, Inc., Kyocera CorporationInventors: Kengo Morioka, Keiichi Fujii, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Hiroshi Makino, Andrew Thom, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Patent number: 8670829Abstract: A hermetic feedthrough for an implantable medical device includes an insulator, a conduit configured to conduct electricity through the insulator, and a ferrule coupled to the insulator. The insulator is formed from a ceramic material and the conduit and insulator have a co-fired bond therebetween, which hermetically seals the conduit with the insulator. The insulator is elongate and has opposing ends that include flat surfaces and the ferrule includes a frame for receiving the insulator.Type: GrantFiled: August 2, 2011Date of Patent: March 11, 2014Assignees: Medtronic, Inc., Kyocera CorporationInventors: Kengo Morioka, Keiichi Fujii, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Hiroshi Makino, Andrew Thom, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Patent number: 8588916Abstract: A hermetic feedthrough for an implantable medical device includes an insulator, a conduit integrated with the insulator, and a pad coupled to an exterior surface of the insulator. The insulator includes a first material and the conduit includes a second material that is electrically conductive. The pad is configured to receive a lead coupled thereto. Further, the pad is electrically conductive and coupled to the conduit. The pad includes a first layer and a second layer overlaying at least a portion of the first layer.Type: GrantFiled: August 2, 2011Date of Patent: November 19, 2013Assignee: Medtronic, Inc.Inventors: Kengo Morioka, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Hiroshi Makino, Andrew Thom, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Publication number: 20130032382Abstract: A feedthrough includes a sheet having a hole, where the sheet includes a first material that is a ceramic comprising alumina. The feedthrough further includes a second material substantially filling the hole. The second material is different than the first material and includes platinum and an additive that includes alumina. The first and second materials have a co-fired bond therebetween that hermetically seals the hole.Type: ApplicationFiled: August 2, 2011Publication date: February 7, 2013Inventors: Kengo Morioka, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Andrew Thom, Hiroshi Makino, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto
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Publication number: 20130032378Abstract: A hermetic feedthrough for an implantable medical device includes a sheet having a hole, where the sheet includes a ceramic comprising alumina. The feedthrough also includes a second material substantially filling the hole, where the second material includes a platinum powder mixture and an alumina additive. The platinum powder mixture includes a first platinum powder having a median particle size of between approximately 3 and 10 micrometers and a second platinum powder that is coarser than the first platinum powder and has a median particle size of between approximately 5 and 20 micrometers. The platinum powder mixture includes between approximately 50 and 80 percent by weight of the first platinum powder and between approximately 20 and 50 percent by weight of the second platinum powder. The first and second materials have a co-fired bond therebetween that hermetically seals the hole.Type: ApplicationFiled: August 1, 2012Publication date: February 7, 2013Inventors: Kengo Morioka, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Andrew Thom, Hiroshi Makino, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto, Takahito Hirata
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Publication number: 20130032392Abstract: A hermetic feedthrough for an implantable medical device includes an insulator, a conduit configured to conduct electricity through the insulator, and a ferrule coupled to the insulator. The insulator is formed from a ceramic material and the conduit and insulator have a co-fired bond therebetween, which hermetically seals the conduit with the insulator. The insulator is elongate and has opposing ends that include flat surfaces and the ferrule includes a frame for receiving the insulator.Type: ApplicationFiled: August 2, 2011Publication date: February 7, 2013Inventors: Kengo Morioka, Keiichi Fujii, Arne Knudsen, Shingo Satou, Hidekazu Otomaru, Hiroshi Makino, Andrew Thom, Markus Reiterer, Gordon Munns, Thomas Miltich, Joyce Yamamoto