Patents by Inventor Erik R. Scott
Erik R. Scott 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: 20100316898Abstract: A lithium-ion battery includes a positive electrode having a first active material and a second active material and a negative electrode including a third active material. The second active material includes a lithiated form of a material that does not include electrochemically cyclable lithium in the as-provided state.Type: ApplicationFiled: August 26, 2010Publication date: December 16, 2010Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Publication number: 20100279155Abstract: A rechargeable lithium-ion battery includes a positive electrode and a negative electrode that includes a lithium titanate active material. A separator is provided between the positive electrode and the negative electrode. The battery also includes an electrolyte and an electrolyte additive comprising at least one boroxine ring.Type: ApplicationFiled: April 30, 2009Publication date: November 4, 2010Inventors: Erik R. Scott, Gaurav Jain, Kevin W. Eberman
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Patent number: 7824805Abstract: A battery cell in an implantable medical device is presented. The battery cell includes an anode, a cathode, an insulator therebetween, and an electrolyte. The cathode includes silver vanadium oxide and fluorinated carbon (CFx). The CFx includes fluorine at greater than or equal to 61 percentage (%) by weight.Type: GrantFiled: January 17, 2007Date of Patent: November 2, 2010Assignee: Medtronic, Inc.Inventors: William G. Howard, Kaimin Chen, Gaurav Jain, Craig L. Schmidt, Erik R. Scott
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Patent number: 7811705Abstract: A lithium-ion battery includes a positive electrode that includes a current collector that includes a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiNixCoyNi(1?x?y)O2, LiAlxCoyNi(1?x?y)O2, LiTixCoyNi(1?x?y)O2, and combinations thereof. The battery also includes a negative electrode that includes a current collector and an active material comprising a lithium titanate material. The current collector of the negative electrode includes a material selected from the group consisting of aluminum, titanium, silver, and combinations thereof. The battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity.Type: GrantFiled: October 29, 2004Date of Patent: October 12, 2010Assignee: Medtronic, Inc.Inventors: Erik R. Scott, William G. Howard, Craig L. Schmidt
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Patent number: 7807299Abstract: A lithium-ion battery includes a positive electrode including a positive current collector, a first active material, and a second active material. The battery also includes a negative electrode having a negative current collector and a third active material, the third active material including a lithium titanate material. The first active material, second active material, and third active materials are configured to allow doping and undoping of lithium ions. The second active material exhibits charging and discharging capacity below a corrosion potential of the negative current collector and above a decomposition potential of the first active material.Type: GrantFiled: October 29, 2004Date of Patent: October 5, 2010Assignee: Medtronic, Inc.Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Patent number: 7803481Abstract: A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: GrantFiled: September 25, 2009Date of Patent: September 28, 2010Assignee: Medtronic, Inc,Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Publication number: 20100239908Abstract: A lithium-ion battery includes a positive electrode comprising a current collector and a first active material and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a lithium titanate material and the third active material is selected from the group consisting of LixVO2 where x is between 0.05 and 0.4, LiMxMn(2?x)O4 where M is a metal and x is less than or equal to 1, V6O13, V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: ApplicationFiled: May 27, 2010Publication date: September 23, 2010Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Patent number: 7794869Abstract: A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: GrantFiled: July 29, 2009Date of Patent: September 14, 2010Assignee: Medtronic, Inc.Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Patent number: 7740985Abstract: A lithium-ion battery includes a positive electrode that has a current collector and a first active material and a negative electrode that has a current collector, a second active material, and a third active material. The second active material includes a lithium titanate material and the third active material is a material that can be one or more of the following: LiMn2O4, LixVO2 where x is between 0.05 and 0.4, LiMxMn(2?x)O4 where M is a metal and x is less than or equal to 1, V6O13, V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: GrantFiled: April 23, 2009Date of Patent: June 22, 2010Assignee: Medtronic, Inc.Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Publication number: 20100145183Abstract: An implantable medical device includes a housing and a circuit board provided within the housing. The circuit board includes a plurality of electronic components electrically coupled thereto. At least one non-functional component is provided on the circuit board and formed from a material that has an electromagnetic permeability configured to reduce the amount of image distortion caused by at least one of the plurality of electronic components when the device is subject to a magnetic field during an MRI scan.Type: ApplicationFiled: February 16, 2010Publication date: June 10, 2010Applicant: Medtronic, Inc.Inventors: Carl D. Wahlstrand, Mark J. Conroy, John Kast, Erik R. Scott
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Publication number: 20100076523Abstract: A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector and a first active material, a negative electrode including a current collector and a second active material, and an auxiliary electrode including a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: ApplicationFiled: September 22, 2009Publication date: March 25, 2010Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Patent number: 7682745Abstract: A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiNixCoyNi(1?x?y)O2, LiAlxCoyNi(1?x?y)O2, LiTixCoyNi(1?x?y)O2, and combinations thereof. The lithium-ion battery also includes a negative electrode having a current collector and an active material including a lithium titanate material. The current collector of the negative electrode includes a material selected from the group consisting of aluminum, titanium, and silver. The battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity.Type: GrantFiled: October 29, 2004Date of Patent: March 23, 2010Assignee: Medtronic, Inc.Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Patent number: 7684860Abstract: An implantable medical device includes a housing and a circuit board provided within the housing. The circuit board includes a plurality of electronic components electrically coupled thereto. At least one non-functional component is provided on the circuit board and formed from a material that has an electromagnetic permeability configured to reduce the amount of image distortion caused by at least one of the plurality of electronic components when the device is subject to a magnetic field during an MRI scan.Type: GrantFiled: March 23, 2007Date of Patent: March 23, 2010Assignee: Medtronic, Inc.Inventors: Carl D. Wahlstrand, Mark J. Conroy, John Kast, Erik R. Scott
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Patent number: 7662509Abstract: A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: GrantFiled: October 29, 2004Date of Patent: February 16, 2010Assignee: Medtronic, Inc.Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Publication number: 20100015528Abstract: A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: ApplicationFiled: September 25, 2009Publication date: January 21, 2010Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Publication number: 20100009245Abstract: A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: ApplicationFiled: July 29, 2009Publication date: January 14, 2010Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Patent number: 7642013Abstract: A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector, a first active material, and a second active material. The lithium-ion battery also includes a negative electrode including a current collector, a third active material, and a quantity of lithium in electrical contact with the current collector of the negative electrode. The second active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: GrantFiled: October 29, 2004Date of Patent: January 5, 2010Assignee: Medtronic, Inc.Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Patent number: 7641992Abstract: A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector and a first active material, a negative electrode including a current collector and a second active material, and an auxiliary electrode including a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.Type: GrantFiled: October 29, 2004Date of Patent: January 5, 2010Assignee: Medtronic, Inc.Inventors: William G. Howard, Craig L. Schmidt, Erik R. Scott
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Patent number: 7635541Abstract: A method for charging an implantable medical device includes charging a lithium-ion battery provided in a medical device, the lithium-ion battery having a negative electrode with a lithium titanate active material. For at least a portion of the charging, the potential of the negative electrode is more than approximately 70 millivolts below the equilibrium potential of the negative electrode.Type: GrantFiled: October 27, 2005Date of Patent: December 22, 2009Assignee: Medtronic, Inc.Inventors: Erik R. Scott, William G. Howard, Craig L. Schmidt
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Publication number: 20090292327Abstract: An implantable medical device comprises an anti-infection agent. The implantable medical device may be configured for placement in the head of a patient and for monitoring or treatment of the brain. The implantable medical device may have a housing or it may have a housing and a member for providing a smooth interface between the device and the adjacent tissue. The anti-infection agent may be provided on or impregnated in the housing or the member. In some embodiments, the device includes a single module while in other embodiments a plurality of modules are coupled to provide a smaller profile. In some embodiments the implantable medical device may include both anti-infection and lubricious materials.Type: ApplicationFiled: August 5, 2009Publication date: November 26, 2009Applicant: Medtronic, Inc.Inventors: Ruchika Singhal, Darren A. Janzig, Carl D. Wahlstrand, Robert M. Skime, Paulette C. Olson, Erik R. Scott, James E. Randall