Patents by Inventor James A. Head

James A. Head 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).

  • Flex circuit interface for strain gauges
    Patent number: 9562802
    Abstract: A load cell may include a bar having a supported end, an unsupported end and a sensor holding portion disposed between the supported end and the unsupported end. The load cell may further include a plurality of electronic sensors including a first strain gauge pair and a second strain gauge pair disposed along the sensor holding portion. The load cell may further include an interface member directly connecting the electronic sensors for weight calculation responsive to application of a load to the unsupported end. In some cases, the interface member may include a flex circuit.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: February 7, 2017
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: James A. Head, Kevin M. Fruechte
  • FLEX CIRCUIT INTERFACE FOR STRAIN GAUGES
    Publication number: 20150021105
    Abstract: A load cell may include a bar having a supported end, an unsupported end and a sensor holding portion disposed between the supported end and the unsupported end. The load cell may further include a plurality of electronic sensors including a first strain gauge pair and a second strain gauge pair disposed along the sensor holding portion. The load cell may further include an interface member directly connecting the electronic sensors for weight calculation responsive to application of a load to the unsupported end. In some cases, the interface member may include a flex circuit.
    Type: Application
    Filed: July 22, 2013
    Publication date: January 22, 2015
    Applicant: Illinois Tool Works Inc.
    Inventors: James A. Head, Kevin M. Fruechte
  • Long barrel T-nut
    Patent number: 6997814
    Abstract: An elongated T-nut fastener is formed from a single piece of material. The fastener includes a barrel and a flange, with a threaded portion in the barrel and an unthreaded portion beyond the threaded portion. Fastening sites are provided at spaced locations along the length of the fastener.
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: February 14, 2006
    Assignee: Illinois Tool Works Inc
    Inventors: William J. Curley, Jr., James F. Norkus, James A. Head
  • Long barrel T-nut
    Publication number: 20030152442
    Abstract: An elongated T-nut fastener is formed from a single piece of material. The fastener includes a barrel and a flange, with a threaded portion in the barrel and an unthreaded portion beyond the threaded portion. Fastening sites are provided at spaced locations along the length of the fastener.
    Type: Application
    Filed: January 24, 2003
    Publication date: August 14, 2003
    Inventors: William J. Curley, James F. Norkus, James A. Head