Patents by Inventor Douglas Fox
Douglas Fox 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: 12084570Abstract: A flame retardant composition comprising chitosan or a modified chitosan, as well as a method for preparing a flame retardant comprising chitosan or a modified chitosan, is provided. Also provided are methods for making a flame retardant article using the described flame retardant composition. In various embodiments, the flame retardant composition is prepared by dissolution of chitosan or a modified chitosan by an aqueous acid, followed by evaporation of the water. In various embodiments, the flame retardant composition can further include at least one additional component selected from the group consisting of a polyol, flame retardant, nitrogen containing compound, carbonate containing compound, crosslinking agent, and combinations thereof.Type: GrantFiled: September 10, 2020Date of Patent: September 10, 2024Assignee: AMERICAN UNIVERSITYInventors: Douglas Fox, Mauro Zammarano, Whirang Cho
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Patent number: 11840583Abstract: The present application relates to cellulose nanocrystals and other anionic carbohydrates and methods of preparation thereof. Specifically, in certain embodiments, the cellulose nanocrystals are modified using ion exchange technology to yield thermally stable or task-specific, dispersible cellulose nanocrystals.Type: GrantFiled: April 22, 2021Date of Patent: December 12, 2023Assignee: AMERICAN UNIVERSITYInventor: Douglas Fox
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Publication number: 20210253743Abstract: The present application relates to cellulose nanocrystals and other anionic carbohydrates and methods of preparation thereof. Specifically, in certain embodiments, the cellulose nanocrystals are modified using ion exchange technology to yield thermally stable or task-specific, dispersible cellulose nanocrystals.Type: ApplicationFiled: April 22, 2021Publication date: August 19, 2021Applicant: AMERICAN UNIVERSITYInventor: Douglas FOX
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Patent number: 11014993Abstract: The present application relates to cellulose nanocrystals and other anionic carbohydrates and methods of preparation thereof. Specifically, in certain embodiments, the cellulose nanocrystals are modified using ion exchange technology to yield thermally stable or task-specific, dispersible cellulose nanocrystals.Type: GrantFiled: August 5, 2016Date of Patent: May 25, 2021Assignee: AMERICAN UNIVERSITYInventor: Douglas Fox
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Publication number: 20210095102Abstract: A flame retardant composition comprising chitosan or a modified chitosan, as well as a method for preparing a flame retardant comprising chitosan or a modified chitosan, is provided. Also provided are methods for making a flame retardant article using the described flame retardant composition. In various embodiments, the flame retardant composition is prepared by dissolution of chitosan or a modified chitosan by an aqueous acid, followed by evaporation of the water. In various embodiments, the flame retardant composition can further include at least one additional component selected from the group consisting of a polyol, flame retardant, nitrogen containing compound, carbonate containing compound, crosslinking agent, and combinations thereof.Type: ApplicationFiled: September 10, 2020Publication date: April 1, 2021Inventors: Douglas Fox, Mauro Zammarano, Whirang Cho
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Patent number: 10494531Abstract: A flame retardant coating composition comprising poly(dopamine) and either tris(hydroxymethyl)aminomethane) or gaseous ammonia, as well as an article comprising a substrate and the flame retardant coating composition, is provided. In various embodiments, the poly(dopamine) is substantially water insoluble. The coating composition can further comprise at least one additional component selected from the group consisting of melamine, an anionic clay, a phosphorus-containing compound, an amine-containing compound, aluminosilicates, silicon oxides, and combinations thereof. Also provided are methods for forming the flame retardant coating composition and methods for increasing flame retardant properties of a substrate.Type: GrantFiled: May 23, 2017Date of Patent: December 3, 2019Assignee: AMERICAN UNIVERSITYInventors: Mauro Zammarano, Douglas Fox, Philipp Grützmacher, Rick Davis
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Patent number: 10241733Abstract: An example disclosed method includes providing power transmissions from a power storage unit to a power converter of a printing device, the power converter to supply an available amount of power to a print mechanism, the print mechanism having separately controllable print elements; determining a required amount of power for an upcoming print operation that involves energizing the print elements, the print elements including a first group of the print elements and a second group of the print elements; when the required amount of power is less than or equal to the available amount of power, performing the print operation by simultaneously energizing the print elements; and when the required amount of power is greater than the available amount of power, performing the print operation by alternately energizing the first group of the print elements at first times and the second group of the print elements at second times.Type: GrantFiled: July 20, 2017Date of Patent: March 26, 2019Assignee: Zebra Technologies CorporationInventors: David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod DeMay, John Ham, Gary F. Lynch, Donald V. Thielen
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Publication number: 20170321068Abstract: A flame retardant coating composition comprising poly(dopamine) and either tris(hydroxymethyl)aminomethane) or gaseous ammonia, as well as an article comprising a substrate and the flame retardant coating composition, is provided. In various embodiments, the poly(dopamine) is substantially water insoluble. The coating composition can further comprise at least one additional component selected from the group consisting of melamine, an anionic clay, a phosphorus-containing compound, an amine-containing compound, aluminosilicates, silicon oxides, and combinations thereof. Also provided are methods for forming the flame retardant coating composition and methods for increasing flame retardant properties of a substrate.Type: ApplicationFiled: May 23, 2017Publication date: November 9, 2017Inventors: Mauro Zammarano, Douglas Fox, Philipp Grützmacher, Rick Davis
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Publication number: 20170315761Abstract: An example disclosed method includes providing power transmissions from a power storage unit to a power converter of a printing device, the power converter to supply an available amount of power to a print mechanism, the print mechanism having separately controllable print elements; determining a required amount of power for an upcoming print operation that involves energizing the print elements, the print elements including a first group of the print elements and a second group of the print elements; when the required amount of power is less than or equal to the available amount of power, performing the print operation by simultaneously energizing the print elements; and when the required amount of power is greater than the available amount of power, performing the print operation by alternately energizing the first group of the print elements at first times and the second group of the print elements at second times.Type: ApplicationFiled: July 20, 2017Publication date: November 2, 2017Inventors: David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod DeMay, John Ham, Gary F. Lynch, Donald V. Thielen
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Patent number: 9747062Abstract: Ethernet and Universal Serial Bus (USB) powered printing devices are provided. In particular, Ethernet and USB powered printers and methods of Ethernet powering of printers that support high speed printing and/or data intensive printing. Such high-speed and/or data intensive printing operations are able to be Ethernet or USB powered by providing for a power storage unit within the printer device that is able be charged during non-printing periods and provide for necessary energy bursts to support such higher powered processes. In addition, the present invention provides for devices and methods that allow for printers to operate with main power provided by conventional power mains and for back-up or secondary power to be supplied by Ethernet or USB power. Additionally, the invention provides for Ethernet or USB powering, both primary and back-up, of the data and configuration settings in the printer control and image generating electronics.Type: GrantFiled: October 9, 2015Date of Patent: August 29, 2017Assignee: ZIH Corp.Inventors: David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod Demay, John Ham, Gary F. Lynch, Donald V. Thielen
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Patent number: 9688867Abstract: A flame retardant coating composition comprising poly(dopamine) and either tris(hydroxymethyl)aminomethane) or gaseous ammonia, as well as an article comprising a substrate and the flame retardant coating composition, is provided. In various embodiments, the poly(dopamine) is substantially water insoluble. The coating composition can further comprise at least one additional component selected from the group consisting of melamine, an anionic clay, a phosphorus-containing compound, an amine-containing compound, aluminosilicates, silicon oxides, and combinations thereof. Also provided are methods for forming the flame retardant coating composition and methods for increasing flame retardant properties of a substrate.Type: GrantFiled: July 21, 2014Date of Patent: June 27, 2017Assignees: AMERICAN UNIVERSITY, THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE, THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGYInventors: Mauro Zammarano, Douglas Fox, Philipp Grützmacher, Rick Davis
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Publication number: 20170037155Abstract: The present application relates to cellulose nanocrystals and other anionic carbohydrates and methods of preparation thereof. Specifically, in certain embodiments, the cellulose nanocrystals are modified using ion exchange technology to yield thermally stable or task-specific, dispersible cellulose nanocrystals.Type: ApplicationFiled: August 5, 2016Publication date: February 9, 2017Applicant: AMERICAN UNIVERSITYInventor: Douglas Fox
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Patent number: 9332927Abstract: A diagnostic system is disclosed, and comprises a diagnostic device and a fluid heat transfer system. The diagnostic device has an associated bed for supporting a portion of a subject during a diagnostic procedure. The fluid heat transfer system comprises a fluid circulation component, a heater component, and a fluid line. The heater component includes a heater element and a mixing valve, and the fluid circulation component is fluidly coupled to the heater component so that a fluid can be pumped from the fluid circulation component to the heater component. The fluid line extends from the heater to the fluid circulation component, and the mixing valve is positioned near the bed so that heat can be rapidly transferred through the fluid line to alter a body temperature of the subject.Type: GrantFiled: March 5, 2014Date of Patent: May 10, 2016Assignee: SA Instruments, Inc.Inventors: George Ronald Morris, Sr., Douglas Fox Tomlinson
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Publication number: 20160110141Abstract: Ethernet and Universal Serial Bus (USB) powered printing devices are provided. In particular, Ethernet and USB powered printers and methods of Ethernet powering of printers that support high speed printing and/or data intensive printing. Such high-speed and/or data intensive printing operations are able to be Ethernet or USB powered by providing for a power storage unit within the printer device that is able be charged during non-printing periods and provide for necessary energy bursts to support such higher powered processes. In addition, the present invention provides for devices and methods that allow for printers to operate with main power provided by conventional power mains and for back-up or secondary power to be supplied by Ethernet or USB power. Additionally, the invention provides for Ethernet or USB powering, both primary and back-up, of the data and configuration settings in the printer control and image generating electronics.Type: ApplicationFiled: October 9, 2015Publication date: April 21, 2016Inventors: David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod Demay, John Ham, Gary F. Lynch, Donald V. Thielen
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Patent number: 9189184Abstract: Communication port powered printers and methods of powering of printers that support high speed printing and/or data intensive printing are discussed herein. Some embodiments may provide for a power storage unit within the printer device that is able be charged during non-priming periods and provide for necessary energy bursts to support such higher powered processes. Some embodiments may provide for devices and methods that allow for printers to operate with main power provided by conventional power mains and for back-up or secondary power to be supplied by the communication port. Some embodiments may further provide for configuration settings in printer control electronics based on the available power from the communication port.Type: GrantFiled: November 15, 2013Date of Patent: November 17, 2015Assignee: ZIH Corp.Inventors: David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod Demay, John Ham, Gary F. Lynch, Donald V. Thielen
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Publication number: 20150073071Abstract: A flame retardant coating composition comprising poly(dopamine) and either tris(hydroxymethyl)aminomethane) or gaseous ammonia, as well as an article comprising a substrate and the flame retardant coating composition, is provided. In various embodiments, the poly(dopamine) is substantially water insoluble. The coating composition can further comprise at least one additional component selected from the group consisting of melamine, an anionic clay, a phosphorus-containing compound, an amine-containing compound, aluminosilicates, silicon oxides, and combinations thereof. Also provided are methods for forming the flame retardant coating composition and methods for increasing flame retardant properties of a substrate.Type: ApplicationFiled: July 21, 2014Publication date: March 12, 2015Inventors: Mauro Zammarano, Douglas Fox, Philipp Grützmacher, Rick Davis
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Publication number: 20140257082Abstract: A diagnostic system is disclosed, and comprises a diagnostic device and a fluid heat transfer system. The diagnostic device has an associated bed for supporting a portion of a subject during a diagnostic procedure. The fluid heat transfer system comprises a fluid circulation component, a heater component, and a fluid line. The heater component includes a heater element and a mixing valve, and the fluid circulation component is fluidly coupled to the heater component so that a fluid can be pumped from the fluid circulation component to the heater component. The fluid line extends from the heater to the fluid circulation component, and the mixing valve is positioned near the bed so that heat can be rapidly transferred through the fluid line to alter a body temperature of the subject.Type: ApplicationFiled: March 5, 2014Publication date: September 11, 2014Applicant: SA INSTRUMENTS, INC.Inventors: George Ronald Morris, SR., Douglas Fox Tomlinson
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Publication number: 20140153026Abstract: Communication port powered printers and methods of powering of printers that support high speed printing and/or data intensive printing are discussed herein. Some embodiments may provide for a power storage unit within the printer device that is able be charged during non-printing periods and provide for necessary energy bursts to support such higher powered processes. Some embodiments may provide for devices and methods that allow for printers to operate with main power provided by conventional power mains and for back-up or secondary power to be supplied by the communication port. Some embodiments may further provide for configuration settings in printer control electronics based on available power from the communication port.Type: ApplicationFiled: November 15, 2013Publication date: June 5, 2014Applicant: ZIH Corp.Inventors: David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod Demay, John Ham, Gary F. Lynch, Donald V. Thielen
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Patent number: 8587825Abstract: Ethernet and Universal Serial Bus (USB) powered printing devices are provided. In particular, Ethernet and USB powered printers and methods of Ethernet powering of printers that support high speed printing and/or data intensive printing. Such high-speed and/or data intensive printing operations are able to be Ethernet or USB powered by providing for a power storage unit within the printer device that is able be charged during non-printing periods and provide for necessary energy bursts to support such higher powered processes. In addition, the present invention provides for devices and methods that allow for printers to operate with main power provided by conventional power mains and for back-up or secondary power to be supplied by Ethernet or USB power. Additionally, the invention provides for Ethernet or USB powering, both primary and back-up, of the data and configuration settings in the printer control and image generating electronics.Type: GrantFiled: January 20, 2006Date of Patent: November 19, 2013Assignee: ZIH CorpInventors: David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Jr., Eugene K. Brown, Rod DeMay, John Ham, Gary F. Lynch, Donald V. Thielen
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Publication number: 20080006002Abstract: A light steel structural member includes a web portion and a pair of flanges. The web portion has a web face. The pair of flange portions each extend generally orthogonally from each end of the web portion. The flange portions each having a plane and the planes are generally parallel each other and each flange has a flange face. At least one of the web face and the flange face has a plurality of embosses formed therein. In another embodiment the light steel structural member further includes a pair of restraining ribs. In a further embodiment the light steel structural member further includes a pair of lips and a pair of multi-cranked stiffeners. A method of making the light steel structural members is shown.Type: ApplicationFiled: May 18, 2007Publication date: January 10, 2008Inventors: Michael Strickland, Douglas Fox, Richard Strickland