Patents by Inventor Gary D. Meyer

Gary D. Meyer 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).

  • Method and system for determining battery cell voltage
    Patent number: 8228036
    Abstract: Embodiments of the invention relate to a method and system of determining over-voltage and under-voltage conditions for cells in a battery pack. The method includes combining the cells in a battery pack into groups, detecting each cell group's voltage, and calculating ratios of cell group voltages to determine over-voltage and under-voltage conditions.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: July 24, 2012
    Assignee: Milwaukee Electric Tool Corporation
    Inventor: Gary D. Meyer
  • Lithium-based battery pack for a hand held power tool
    Patent number: 8207702
    Abstract: A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: June 26, 2012
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasglow
  • Battery pack
    Patent number: 8154249
    Abstract: An electrical combination including a driver drill capable of producing an average current draw of approximately 20-amps, a circular saw capable of producing an average current draw of approximately 20-amps, and a power tool battery pack operable to supply power to the driver drill and to the circular saw, the battery pack including a plurality of battery cells, the plurality of battery cells each having a lithium-based chemistry.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: April 10, 2012
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow, Karl F. Schuecher
  • METHOD AND SYSTEM FOR CHARGING MULTI-CELL LITHIUM-BASED BATTERIES
    Publication number: 20120001596
    Abstract: A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current to the battery pack through the at least one terminal. The battery pack includes a plurality of lithium-based battery cells, with each battery cell of the plurality of battery cells having an individual state of charge. The controller is operable to control the charging current being supplied to the battery pack at least in part based on the individual state of charge of at least one battery cell.
    Type: Application
    Filed: September 13, 2011
    Publication date: January 5, 2012
    Inventors: Gary D. Meyer, Jay J. Rosenbecker, Kevin L. Glasgow, Todd W. Johnson, Karl F. Scheucher
  • LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL
    Publication number: 20110297411
    Abstract: A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell.
    Type: Application
    Filed: August 15, 2011
    Publication date: December 8, 2011
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow
  • Glycoproteins Produced in Plants and Methods of Their Use
    Publication number: 20110230404
    Abstract: Methods of increasing the yield in plant expression of recombinant proteins comprising engineering glycosylation sites into cloned genes or cDNAs for proteins using codons that drive post-translational modifications in plants; and engineering the cloned genes or cDNAs to contain a plant secretory signal sequence that targets the gene products (protein) for secretion. The methods result in increased recombinant glycosylated protein yields. Proteins produced according to these methods are disclosed.
    Type: Application
    Filed: January 13, 2011
    Publication date: September 22, 2011
    Applicant: OHIO UNIVERSITY
    Inventors: Marcia J. Kieliszewski, Jianfeng Xu, John Kopchick, Shigeru Okada, Gary D. Meyer
  • Method and system for charging multi-cell lithium-based batteries
    Patent number: 8018198
    Abstract: A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current to the battery pack through the at least one terminal. The battery pack includes a plurality of lithium-based battery cells, with each battery cell of the plurality of battery cells having an individual state of charge. The controller is operable to control the charging current being supplied to the battery pack at least in part based on the individual state of charge of at least one battery cell.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: September 13, 2011
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Gary D. Meyer, Jay J. Rosenbecker, Kevin L. Glasgow, Todd W. Johnson, Karl F. Scheucher
  • LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL
    Publication number: 20110214896
    Abstract: A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell.
    Type: Application
    Filed: May 17, 2011
    Publication date: September 8, 2011
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow
  • BATTERY PACK
    Publication number: 20110215767
    Abstract: A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by a flexible circuit board. The circuit is operable to control a function of the battery pack.
    Type: Application
    Filed: May 17, 2011
    Publication date: September 8, 2011
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow
  • Methods of Producing Peptides in Plants and Peptides Produced Thereby
    Publication number: 20110217766
    Abstract: Methods of increasing the yield in plant expression of recombinant proteins comprising engineering glycosylation sites into cloned genes or cDNAs for proteins using codons that drive post-translational modifications in plants and engineering the cloned genes or cDNAs to contain a plant secretory signal sequence that targets the gene products (protein) for secretion are present. The methods result in increased recombinant glycosylated protein yields. Proteins produced according to these methods are also present.
    Type: Application
    Filed: February 2, 2011
    Publication date: September 8, 2011
    Applicant: OHIO UNIVERSITY
    Inventors: Marcia J. Kieliszewski, Jianfeng Xu, Gary D. Meyer
  • Lithium-based battery pack for a high current draw, hand held power tool
    Patent number: 7999510
    Abstract: A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: August 16, 2011
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasglow
  • Method and system for battery protection employing over-discharge control
    Patent number: 7952326
    Abstract: A method and system for battery protection. In some aspects, a battery pack configured to be interfaced with a power tool includes a housing, a cell, a controller, and a circuit. The circuit is operable to enable the controller to operate when the voltage supplied by the cell to the controller is below an operating voltage threshold of the controller.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: May 31, 2011
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow
  • LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL
    Publication number: 20110114350
    Abstract: A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell.
    Type: Application
    Filed: January 26, 2011
    Publication date: May 19, 2011
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasglow
  • Battery pack
    Patent number: 7944181
    Abstract: A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by a flexible circuit board. The circuit is operable to control a function of the battery pack.
    Type: Grant
    Filed: September 6, 2010
    Date of Patent: May 17, 2011
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow
  • Lithium-based battery pack for a high current draw, hand held power tool
    Patent number: 7944173
    Abstract: A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: May 17, 2011
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow
  • BATTERY PACK
    Publication number: 20100327815
    Abstract: A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by a flexible circuit board. The circuit is operable to control a function of the battery pack.
    Type: Application
    Filed: September 6, 2010
    Publication date: December 30, 2010
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow
  • Power tool, battery, charger and method of operating the same
    Patent number: 7814816
    Abstract: A power tool includes a housing assembly having a first housing portion and a second housing portion supported for pivoting movement relative to the first housing portion about a pivot axis. The first housing portion supports a motor. The second housing portion includes a chuck for supporting a tool element. The power tool also includes a gear supported within the housing assembly for rotation relative to at least one of the first and second housing portions about the pivot axis. The gear is operable to transfer drive force from the motor to the tool element.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: October 19, 2010
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Daniel J. Alberti, Scott Bublitz, Todd Hunkins, Kenneth R. Jordan, Richard H. Jungmann, Matthew J. Mergener, Gary D. Meyer, Michael Phillips, John Sara, III, John S. Scott, Nancy Uehlein-Procter, Jonathan A. Zick
  • BATTERY PACK
    Publication number: 20100236807
    Abstract: An electrical combination including a driver drill capable of producing an average current draw of approximately 20-amps, a circular saw capable of producing an average current draw of approximately 20-amps, and a power tool battery pack operable to supply power to the driver drill and to the circular saw, the battery pack including a plurality of battery cells, the plurality of battery cells each having a lithium-based chemistry.
    Type: Application
    Filed: April 26, 2010
    Publication date: September 23, 2010
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow, Karl F. Schuecher
  • Battery pack
    Patent number: 7791318
    Abstract: A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by the housing and operable to control a function of the battery pack, and a heat sink in heat transfer relationship with the circuit and operable to dissipate heat from the circuit.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: September 7, 2010
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Todd W. Johnson, Dennis J. Grzybowski, Mark A. Kubale, Jay J. Rosenbecker, Karl F. Scheucher, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow
  • METHOD AND SYSTEM FOR BATTERY PROTECTION
    Publication number: 20100167110
    Abstract: A battery pack. The battery pack includes a housing, a plurality of terminals, a plurality of lithium-based battery cells, and a controller. The plurality of terminals electrically connect to an electrical device. The electrical device is able to support the battery pack. Each of the plurality of battery cells are individually tapped and have an individual state of charge. The plurality of terminals includes a sense terminal. The controller is operable to monitor a characteristic of each of the plurality of battery cells and to communicate the monitored characteristic of each of the plurality of battery cells to the electrical device via the sense terminal.
    Type: Application
    Filed: September 14, 2009
    Publication date: July 1, 2010
    Inventors: Todd W. Johnson, Jay J. Rosenbecker, Gary D. Meyer, Jeffrey M. Zeiler, Kevin L. Glasgow, Jonathan Z. Zick, Jeffrey M. Brozek, Karl F. Scheucher