Patents by Inventor William C. Bushong
William C. Bushong 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).
-
Patent number: 10726998Abstract: A feedthrough device includes a body having longitudinally spaced first and second end faces and an inner surface defining an opening extending longitudinally through the body, a conductor extending within the opening of the body, and an insulator extending within the opening of the body transversely intermediate the conductor and the inner surface of the body to insulate the conductor from the body, where the conductor includes an interior portion surrounded by the insulator and an exterior portion extending beyond the insulator, the exterior portion having a diameter that is greater than a diameter of the interior portion.Type: GrantFiled: January 6, 2017Date of Patent: July 28, 2020Assignee: Energizer Brands, LLCInventors: William C. Bushong, Gregory J. Davidson, Terrance W. Gurrie, Jr., Sarah L. Westcott
-
Patent number: 10629865Abstract: In a feedthrough device and method of assembly thereof, a body has longitudinally spaced first and second end faces and an inner surface defining a longitudinally extending opening. A conductor extends within the opening and an insulator extends within the opening transversely intermediate the conductor and the inner surface of the body to insulate the conductor from the body. The body has at least one indentation formed longitudinally into at least one of the first and second end faces, with a portion of the inner surface of the body being displaced transversely against the insulator in correspondence with the at least one longitudinal indentation to crimp the insulator and conductor within the opening of the body and maintain a hermetic seal across the feedthrough device.Type: GrantFiled: October 4, 2017Date of Patent: April 21, 2020Assignee: Energizer Brands, LLCInventors: Kristopher Bilek, Gregory J. Davidson, William C. Bushong
-
Publication number: 20190027313Abstract: A feedthrough device includes a body having longitudinally spaced first and second end faces and an inner surface defining an opening extending longitudinally through the body, a conductor extending within the opening of the body, and an insulator extending within the opening of the body transversely intermediate the conductor and the inner surface of the body to insulate the conductor from the body, where the conductor includes an interior portion surrounded by the insulator and an exterior portion extending beyond the insulator, the exterior portion having a diameter that is greater than a diameter of the interior portion.Type: ApplicationFiled: January 6, 2017Publication date: January 24, 2019Inventors: William C. Bushong, Gregory J. Davidson, Terrance W. Gurrie, Jr., Sarah L. Westcott
-
Publication number: 20180026237Abstract: In a feedthrough device and method of assembly thereof, a body has longitudinally spaced first and second end faces and an inner surface defining a longitudinally extending opening. A conductor extends within the opening and an insulator extends within the opening transversely intermediate the conductor and the inner surface of the body to insulate the conductor from the body. The body has at least one indentation formed longitudinally into at least one of the first and second end faces, with a portion of the inner surface of the body being displaced transversely against the insulator in correspondence with the at least one longitudinal indentation to crimp the insulator and conductor within the opening of the body and maintain a hermetic seal across the feedthrough device.Type: ApplicationFiled: October 4, 2017Publication date: January 25, 2018Inventors: Kristopher Bilek, Gregory J. Davidson, William C. Bushong
-
Patent number: 9812679Abstract: In a feedthrough device and method of assembly thereof, a body has longitudinally spaced first and second end faces and an inner surface defining a longitudinally extending opening. A conductor extends within the opening and an insulator extends within the opening transversely intermediate the conductor and the inner surface of the body to insulate the conductor from the body. The body has at least one indentation formed longitudinally into at least one of the first and second end faces, with a portion of the inner surface of the body being displaced transversely against the insulator in correspondence with the at least one longitudinal indentation to crimp the insulator and conductor within the opening of the body and maintain a hermetic seal across the feedthrough device.Type: GrantFiled: February 27, 2014Date of Patent: November 7, 2017Assignee: SPECTRUM BRANDS, INC.Inventors: Kristopher Bilek, Gregory J. Davidson, William C. Bushong
-
Publication number: 20140315075Abstract: In a feedthrough device and method of assembly thereof, a body has longitudinally spaced first and second end faces and an inner surface defining a longitudinally extending opening. A conductor extends within the opening and an insulator extends within the opening transversely intermediate the conductor and the inner surface of the body to insulate the conductor from the body. The body has at least one indentation formed longitudinally into at least one of the first and second end faces, with a portion of the inner surface of the body being displaced transversely against the insulator in correspondence with the at least one longitudinal indentation to crimp the insulator and conductor within the opening of the body and maintain a hermetic seal across the feedthrough device.Type: ApplicationFiled: February 27, 2014Publication date: October 23, 2014Inventors: Kristopher Bilek, Gregory J. Davidson, William C. Bushong
-
Patent number: 8691439Abstract: Alkaline electrochemical cells having extended service life and acceptable gassing and corrosion properties are disclosed. An amphoteric surfactant can be incorporated into the gelled anode mixture of an alkaline electrochemical cell, optionally with an organic phosphate ester surfactant or a sulfonic acid type organic surfactant or both. Zinc particles having a defined distribution of particle sizes can also be incorporated into a zinc anode. The electrolyte included, in the anode mixture can have a reduced hydroxide concentration.Type: GrantFiled: May 26, 2010Date of Patent: April 8, 2014Assignee: Spectrum Brands, Inc.Inventors: Ernest Ndzebet, Mario Destephen, William C Bushong, M. Edgar Armacanqui, Andrew J Roszkowski, Viet H Vu
-
Patent number: 7931981Abstract: The present invention relates to a high capacity electrochemical cell having a cathode containing an oxide of copper as an active material, as well as an anode, an electrolyte, and separators for use with the cathodes of the invention in an alkaline electrochemical cell.Type: GrantFiled: October 20, 2009Date of Patent: April 26, 2011Assignee: Rovcal Inc.Inventors: David Boone, William C. Bushong, Paul Cheeseman, Gregory J. Davidson, Mario Destephen, Zhihong Jin, Jon Luecke, Erik Mortensen, Ernest Ndzebet, Karthik Ramaswami, Sergiy V. Sazhin, Viet H. Vu
-
Patent number: 7859220Abstract: A rechargeable electrochemical cell charger is provided for charging electrochemical cells at high current rates. The charger provides a sufficient force between the charge contacts and the cell terminals to remove nonconductive contaminants when the cell is inserted into the charger, thereby increasing the conductivity at the point of contact. The charger can include an air moving system for the dissipation of heat from the electrochemical cell during charging, and a heat sensor to determine the cell temperature during charging.Type: GrantFiled: August 16, 2004Date of Patent: December 28, 2010Assignee: Rovcal, Inc.Inventors: William C. Bushong, Paul Cheeseman, Michael Root, Viet H. Vu
-
Patent number: 7807296Abstract: The present invention relates to a copper-manganese mixed oxide cathode material, which is suitable for use in a cathode of an electrochemical cell, and which has the formula MnxCuyOz.nH2O, wherein the oxidation state of Cu is between about +1 and about +3, the oxidation state of Mn is between about +2 and about +7, x is equal to about 3-y, y is less than about 3, z is calculated or experimentally determined, using means known in the art, based on the values of x and y, as well as the oxidation states of Mn and Cu, and nH2O represents the surface and structural water present in the mixed oxide material. The present invention further relates to an electrochemical cell comprising the noted cathode material.Type: GrantFiled: August 23, 2007Date of Patent: October 5, 2010Assignee: Roval, Inc.Inventors: Viet H. Vu, Ernest Ndzebet, Akshaya Kumar, Deborah Gilbert, William C. Bushong, Karthik Ramaswami, Juergen Scherer
-
Publication number: 20100233533Abstract: Alkaline electrochemical cells having extended service life and acceptable gassing and corrosion properties are disclosed. An amphoteric surfactant can be incorporated into the gelled anode mixture of an alkaline electrochemical cell, optionally with an organic phosphate ester surfactant or a sulfonic acid type organic surfactant or both. Zinc particles having a defined distribution of particle sizes can also be incorporated into a zinc anode. The electrolyte included, in the anode mixture can have a reduced hydroxide concentration.Type: ApplicationFiled: May 26, 2010Publication date: September 16, 2010Applicant: ROVCAL, INC.Inventors: Ernest Ndzebet, Mario Destephen, William C. Bushong, M. Edgar Armacanqui, Andrew J. Roszkowski, Viet H. Vu
-
Patent number: 7763384Abstract: The present invention relates to a high capacity electrochemical cell including an anode, a cathode, and a separator disposed between the anode and cathode. The anode is configured to operate in combination with a quantity of an oxide of copper in the cathode. The cell is capable of operating at a discharge voltage greater than 1.05 volts for at least an initial 5% of a cell discharge period at a current density of at least 5 mA/g, and can include a cathode active material that includes an oxide of copper.Type: GrantFiled: August 9, 2004Date of Patent: July 27, 2010Assignee: Rovcal, Inc.Inventors: David Boone, William C. Bushong, Paul Cheeseman, Gregory J Davidson, Mario Destephen, Zihong Jin, Jon Luecke, Erik Mortensen, Ernest Ndzebet, Karthik Ramaswami, Sergey Sazhin, Viet H. Vu
-
Patent number: 7749654Abstract: Alkaline electrochemical cells having extended service life and acceptable gassing and corrosion properties are disclosed. An amphoteric surfactant can be incorporated into the gelled anode mixture of an alkaline electrochemical cell, optionally with an organic phosphate ester surfactant or a sulfonic acid type organic surfactant or both. Zinc particles having a defined distribution of particle sizes can also be incorporated into a zinc anode. The electrolyte included, in the anode mixture can have a reduced hydroxide concentration.Type: GrantFiled: April 24, 2007Date of Patent: July 6, 2010Assignee: Rovcal, Inc.Inventors: Ernest Ndzebet, Mario Destephen, William C. Bushong, M. Edgar Armacanqui, Andrew J. Roszkowski, Viet H. Vu
-
Patent number: 7740984Abstract: Aspects of the present invention provide a high capacity electrochemical cell having an anode, a cathode, and a separator disposed between the anode and cathode. The cathode includes a mixture having a first component, a second component and a third component. The first component includes a first element, the second component includes a second element, and the third component includes the first element and the second element. The mixture can, for instance, be a mixed metal oxide. The separator is configured to provide suitable ionic transport between the anode and the cathode.Type: GrantFiled: February 8, 2005Date of Patent: June 22, 2010Assignee: Rovcal, Inc.Inventors: William C. Bushong, Paul Cheeseman, Zhihong Jin, Erik Mortensen, Ernest Ndzebet, Karthik Ramaswami, Viet H. Vu, Deborah Gilbert, Juergen Scherer
-
Patent number: 7651814Abstract: An electrochemical cell is provided having a cathode can that fits over an anode can to define an anode cavity for retaining active anode material. A cathode assembly is disposed proximal the base of the anode can, and is separated from the anode cavity via a separator. A radial seal is provided at the remote region between the outer periphery of the anode side wall and cathode side wall to prevent the leakage of electrolyte material. An insulator is disposed between the anode and cathode to provide electrical insulation therebetween.Type: GrantFiled: June 30, 2004Date of Patent: January 26, 2010Assignee: Rovcal, Inc.Inventors: Thomas P. Anderson, William C. Bushong, Denis D. Carpenter, Aaron J. Rositch, Marc L. Syvertsen, Bruce Weldum, Thomas M. Kaufman
-
Patent number: 7645540Abstract: The present invention relates to a high capacity electrochemical cell having a cathode containing an oxide of copper as an active material, as well as an anode, an electrolyte, and separators for use with the cathodes of the invention in an alkaline electrochemical cell.Type: GrantFiled: August 9, 2004Date of Patent: January 12, 2010Assignee: Rovcal, Inc.Inventors: David Boone, William C. Bushong, Paul Cheeseman, Gregory J. Davidson, Mario Destephen, Zhihong Jin, Jon Luecke, Erik Mortensen, Ernest Ndzebet, Karthik Ramaswami, Sergey Sazhin, Viet H. Vu
-
Patent number: 7557542Abstract: A rechargeable electrochemical cell charging system is provided having a thermistor that engages the negative cell terminal at a location remote from the negative charge contact. The thermistor outputs temperature data to a controller in the charger that determines the rate of cell temperature increase. When the increase reaches a predetermined rate, the charge to the cell is discontinued. The cell can also include an air moving system that circulates cool ambient air through battery compartment to cool the batteries being charged.Type: GrantFiled: April 14, 2008Date of Patent: July 7, 2009Assignee: Rovcal, Inc.Inventors: William C. Bushong, Viet H. Vu, Michael Root
-
Publication number: 20090081497Abstract: The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom.Type: ApplicationFiled: July 22, 2008Publication date: March 26, 2009Applicant: Rovcal, IncInventors: Viet Vu, Zhihong Jin, Juergen Scherer, Joseph L. Passaniti, Gregory J. Davidson, Craig Rom, Mario DeStephen, Jon Luecke, Erik Mortensen, Jamie L. Ostroha, Karthik Ramaswami, Tony Rubsam, William C. Bushong
-
Publication number: 20090081501Abstract: The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom.Type: ApplicationFiled: July 22, 2008Publication date: March 26, 2009Applicant: ROVCAL, INC.Inventors: Viet Vu, Zhihong Jin, Juergen Scherer, Joseph L. Passaniti, Gregory J. Davidson, Craig Rom, Mario DeStephen, Jon Luecke, Erik Mortensen, Jamie L. Ostroha, Karthik Ramaswami, Tony Rubsam, William C. Bushong
-
Publication number: 20090078568Abstract: The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom.Type: ApplicationFiled: July 22, 2008Publication date: March 26, 2009Applicant: ROVCAL, INC.Inventors: Karthik Ramaswami, Zhihong Jin, Erik Mortensen, Gregory J. Davidson, Mario DeStephen, Joseph L. Passaniti, Jon Luecke, Jamie L. Ostroha, Tony Rubsam, Juergen Scherer, Viet Vu, William C. Bushong