Patents by Inventor Doug Schafer
Doug Schafer 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: 11302488Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.Type: GrantFiled: August 28, 2020Date of Patent: April 12, 2022Assignee: UCAP Power, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Publication number: 20210050159Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.Type: ApplicationFiled: August 28, 2020Publication date: February 18, 2021Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Patent number: 10763051Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.Type: GrantFiled: March 29, 2019Date of Patent: September 1, 2020Assignee: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Publication number: 20190362908Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.Type: ApplicationFiled: March 29, 2019Publication date: November 28, 2019Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Patent number: 10249448Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.Type: GrantFiled: June 9, 2017Date of Patent: April 2, 2019Assignee: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Patent number: 10043615Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, a separator positioned between the positive and the negative electrode, and an electrolyte in ionic contact with the electrodes and the separator. At least one of the positive electrode and the negative electrode can be made of a carbon based layer having a mesoporosity and/or a microporosity optimized for ionic mobility therewithin.Type: GrantFiled: October 7, 2013Date of Patent: August 7, 2018Assignee: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Patent number: 9991060Abstract: An energy storage device having improved energy density performance may include an electrolyte having a salt concentration of about 0.6 moles/L (M) to about 0.95M. A final energy storage device product having a total mass of electrolyte that is at least 100% of a saturation quantity of electrolyte sufficient to fully saturate one or more electrode(s) and separator(s) of the device, and below a threshold quantity above the saturation quantity.Type: GrantFiled: June 12, 2014Date of Patent: June 5, 2018Assignee: Maxwell Technologies, Inc.Inventors: Jeffrey Bouchard, Doug Schafer, Priya Bendale, Jeffrey G. Nelson
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Publication number: 20170309413Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.Type: ApplicationFiled: June 9, 2017Publication date: October 26, 2017Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Patent number: 9728342Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. The capacitor may also include a protective coating disposed on an inner surface of the housing for the ultracapacitor.Type: GrantFiled: October 7, 2013Date of Patent: August 8, 2017Assignee: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Patent number: 9715970Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. The capacitor may also include an electrolyte in ionic contact with the electrodes and the separator, the electrolyte having acetonitrile and a quaternary ammonium salt with a molarity of less than one.Type: GrantFiled: October 7, 2013Date of Patent: July 25, 2017Assignee: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Patent number: 9679703Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.Type: GrantFiled: October 7, 2013Date of Patent: June 13, 2017Assignee: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Patent number: 9189494Abstract: An object based file system for storing and accessing objects is disclosed. The file system may be implemented as a method in hardware, firmware, software, or a combination thereof. The method may include receiving from an application program an object write request. A selected storage node on which to store the object may be selected, including identifying a least busy storage node and/or a least full storage node. The object and the object write request may be sent to the selected storage node. A write success message may be received from the selected storage node. The successful writing of the object may be reported to the application program.Type: GrantFiled: September 26, 2014Date of Patent: November 17, 2015Assignee: DataDirect Networks, Inc.Inventors: Jan Olderdissen, Dan Olster, Craig Robertson, Doug Schafer, Dave Fellinger
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Patent number: 9189493Abstract: An object based file system for storing and accessing objects is disclosed. The file system may be implemented as a method in hardware, firmware, software, or a combination thereof. The method may include receiving from an application program an object write request. A selected storage node on which to store the object may be selected, including identifying a least busy storage node and/or a least full storage node. The object and the object write request may be sent to the selected storage node. A write success message may be received from the selected storage node. The successful writing of the object may be reported to the application program.Type: GrantFiled: September 26, 2014Date of Patent: November 17, 2015Assignee: DataDirect Networks, Inc.Inventors: Jan Olderdissen, Dan Olster, Craig Robertson, Doug Schafer, Dave Fellinger
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Publication number: 20150019599Abstract: An object based file system for storing and accessing objects is disclosed. The file system may be implemented as a method in hardware, firmware, software, or a combination thereof. The method may include receiving from an application program an object write request. A selected storage node on which to store the object may be selected, including identifying a least busy storage node and/or a least full storage node. The object and the object write request may be sent to the selected storage node. A write success message may be received from the selected storage node. The successful writing of the object may be reported to the application program.Type: ApplicationFiled: September 26, 2014Publication date: January 15, 2015Inventors: Jan Olderdissen, Dan Olster, Craig Robertson, Doug Schafer, Dave Fellinger
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Publication number: 20150019598Abstract: An object based file system for storing and accessing objects is disclosed. The file system may be implemented as a method in hardware, firmware, software, or a combination thereof. The method may include receiving from an application program an object write request. A selected storage node on which to store the object may be selected, including identifying a least busy storage node and/or a least full storage node. The object and the object write request may be sent to the selected storage node. A write success message may be received from the selected storage node. The successful writing of the object may be reported to the application program.Type: ApplicationFiled: September 26, 2014Publication date: January 15, 2015Inventors: Jan Olderdissen, Dan Olster, Craig Robertson, Doug Schafer, Dave Fellinger
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Publication number: 20140368973Abstract: An energy storage device having improved energy density performance may include an electrolyte having a salt concentration of about 0.6 moles/L (M) to about 0.95M. A final energy storage device product having a total mass of electrolyte that is at least 100% of a saturation quantity of electrolyte sufficient to fully saturate one or more electrode(s) and separator(s) of the device, and below a threshold quantity above the saturation quantity.Type: ApplicationFiled: June 12, 2014Publication date: December 18, 2014Inventors: Jeffrey Bouchard, Doug Schafer, Priya Bendale, Jeffrey G. Nelson
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Patent number: 8849877Abstract: An object based file system for storing and accessing objects is disclosed. The file system may be implemented as a method in hardware, firmware, software, or a combination thereof. The method may include receiving from an application program an object write request. A selected storage node on which to store the object may be selected, including identifying a least busy storage node and/or a least full storage node. The object and the object write request may be sent to the selected storage node. A write success message may be received from the selected storage node. The successful writing of the object may be reported to the application program. An object identifier and object data may be stored in a database.Type: GrantFiled: August 31, 2010Date of Patent: September 30, 2014Assignee: DataDirect Networks, Inc.Inventors: Jan Olderdissen, Dan Olster, Craig Robertson, Doug Schafer, Dave Fellinger
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Publication number: 20140104752Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. The capacitor may also include an electrolyte in ionic contact with the electrodes and the separator, the electrolyte having acetonitrile and a quaternary ammonium salt with a molarity of less than one.Type: ApplicationFiled: October 7, 2013Publication date: April 17, 2014Applicant: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Publication number: 20140098465Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, a separator positioned between the positive and the negative electrode, and an electrolyte in ionic contact with the electrodes and the separator. At least one of the positive electrode and the negative electrode can be made of a carbon based layer having a mesoporosity and/or a microporosity optimized for ionic mobility therewithin.Type: ApplicationFiled: October 7, 2013Publication date: April 10, 2014Applicant: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Publication number: 20140098464Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.Type: ApplicationFiled: October 7, 2013Publication date: April 10, 2014Applicant: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi