Patents by Inventor Darnell Smith

Darnell Smith 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).

  • Publication number: 20070035274
    Abstract: A charging apparatus for charging a battery comprising a current source for providing current to the battery, a controller connected to the battery and to the current source for controlling charging of the battery, and a memory connected to the controller for storing information about the battery. The memory may also store information about the charging apparatus. Preferably, the memory is a non-volatile memory, such as E2PROM. Also disclosed are a battery having a memory for storing information, a power tool having a memory for storing information about the tool, and a reading apparatus for reading the information stored in the memory of the charger, battery and/or power tool.
    Type: Application
    Filed: October 19, 2006
    Publication date: February 15, 2007
    Inventors: Daniele Brotto, Darnell Smith, Danh Trinh
  • Patent number: 7138785
    Abstract: A charging apparatus for charging a battery comprising a current source for providing current to the battery, a controller connected to the battery and to the current source for controlling charging of the battery, and a memory connected to the controller for storing information about the battery. The memory may also store information about the charging apparatus. Preferably, the memory is a nonvolatile memory, such as E2PROM. Also disclosed are a battery having a memory for storing information, a power tool having a memory for storing information about the tool, and a reading apparatus for reading the information stored in the memory of the charger, battery and/or power tool.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: November 21, 2006
    Assignee: Black & Decker Inc.
    Inventors: Daniele Brotto, Darnell Smith, Danh Trinh
  • Publication number: 20010010455
    Abstract: A charging apparatus for charging a battery comprising a current source for providing current to the battery, a controller connected to the battery and to the current source for controlling charging of the battery, and a memory connected to the controller for storing information about the battery. The memory may also store information about the charging apparatus. Preferably, the memory is a nonvolatile memory, such as E2PROM. Also disclosed are a battery having a memory for storing information, a power tool having a memory for storing information about the tool, and a reading apparatus for reading the information stored in the memory of the charger, battery and/or power tool.
    Type: Application
    Filed: February 13, 2001
    Publication date: August 2, 2001
    Applicant: Black & Decker Inc.
    Inventors: Daniele Brotto, Darnell Smith, Danh Trinh
  • Patent number: 6218806
    Abstract: A charging apparatus for charging a battery comprising a current source for providing current to the battery, a controller connected to the battery and to the current source for controlling charging of the battery, and a memory connected to the controller for storing information about the battery. The memory may also store information about the charging apparatus. Preferably, the memory is a non-volatile memory, such as E2PROM. Also disclosed are a battery having a memory for storing information, a power tool having a memory for storing information about the tool, and a reading apparatus for reading the information stored in the memory of the charger, battery and/or power tool.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: April 17, 2001
    Assignee: Black & Decker Inc.
    Inventors: Daniele Brotto, Darnell Smith, Danh Trinh
  • Patent number: 5215246
    Abstract: Method and apparatus for holding the ends of two metal rods which are to be joined, cutting a face on each of the two metal rods, maintaining alignment of the two cut faces, and providing proper compressive force on the two rods while they are joined by a brazing operation.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: June 1, 1993
    Assignee: Southwire Company
    Inventors: R. G. Thompson, Mark D. Dixon, B. Radhakrishnan, William M. Berry, III, Darnell Smith, John Cassimus