Patents by Inventor ROBERTA NELSON SHEA

ROBERTA NELSON SHEA 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).

  • Electronic Trapped Keys
    Publication number: 20160371908
    Abstract: The present disclosure describes a system for the integration of trapped key interlock devices into an industrial control system through the use of an electronic trapped key system that integrates the management of state and permissions of trapped keys with their associated mechanical operators in addition to functional safety controllers.
    Type: Application
    Filed: February 1, 2016
    Publication date: December 22, 2016
    Applicant: Rockwell Automation Technologies, Inc.
    Inventors: MICHELE M. DOW, RICHARD GALERA, ROBERTA NELSON SHEA