Patents by Inventor Donald Ray Lingenfelter

Donald Ray Lingenfelter 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).

  • HIGH VOLTAGE MECHANICAL SPLICE CONNECTOR
    Publication number: 20130052055
    Abstract: An electrical power assembly comprises a motor lead with individual metal sheathed conductors, a power cable with individual metal sheathed conductors and a splice connector for connecting each of the conductors. Each splice connector has a tubular metal fastener body with an upward facing shoulder at an upper end and a downward facing shoulder at a lower end. A metal nut assembly is fixed to one of the power cable conductors with a downward facing shoulder in metal-to-metal sealing engagement with the upward facing shoulder of the fastener body. A metal coupler fixed to one of the motor lead conductors with an upward facing shoulder in metal-to-metal sealing engagement with the downward facing shoulder of the fastener body. Contacts electrically connect one of the motor lead conductors to one of the power cable conductors within the fastener body.
    Type: Application
    Filed: August 31, 2011
    Publication date: February 28, 2013
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Jeffrey G. Frey, Donald Ray Lingenfelter, Terry L. Glasscock, Steven K. Tetzlaff, Chad A. Craig
  • High voltage mechanical splice connector
    Patent number: 8382508
    Abstract: An electrical power assembly comprises a motor lead with individual metal sheathed conductors, a power cable with individual metal sheathed conductors and a splice connector for connecting each of the conductors. Each splice connector has a tubular metal fastener body with an upward facing shoulder at an upper end and a downward facing shoulder at a lower end. A metal nut assembly is fixed to one of the power cable conductors with a downward facing shoulder in metal-to-metal sealing engagement with the upward facing shoulder of the fastener body. A metal coupler fixed to one of the motor lead conductors with an upward facing shoulder in metal-to-metal sealing engagement with the downward facing shoulder of the fastener body. Contacts electrically connect one of the motor lead conductors to one of the power cable conductors within the fastener body.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: February 26, 2013
    Assignee: Baker Hughes Incorporated
    Inventors: Jeffrey G. Frey, Donald Ray Lingenfelter, Terry L. Glasscock, Steven K. Tetzlaff, Chad A. Craig