Patents by Inventor Geoffrey Freeman Butland

Geoffrey Freeman Butland 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).

  • Circuit breaker closing actuator and method of operation
    Patent number: 8120886
    Abstract: A circuit breaker closing actuator and a method of operation is provided. The closing actuator is disposed to communicate and receive signals from a trip unit. The trip unit includes a communications to transmit and receive data and signals from a remote location. The trip unit transmits a signal to the closing actuator in response to receiving a closing signal from the remote location. The closing actuator validates the signal and activates a driving circuit if the signal is validated. The driving circuit enables power to a solenoid that closes the circuit breaker.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: February 21, 2012
    Assignee: General Electric Company
    Inventors: Pradeep Kumar Anand, Geoffrey Freeman Butland, Rajani Karra
  • CIRCUIT BREAKER CLOSING ACTUATOR AND METHOD OF OPERATION
    Publication number: 20100052829
    Abstract: A circuit breaker closing actuator and a method of operation is provided. The closing actuator is disposed to communicate and receive signals from a trip unit. The trip unit includes a communications to transmit and receive data and signals from a remote location. The trip unit transmits a signal to the closing actuator in response to receiving a closing signal from the remote location. The closing actuator validates the signal and activates a driving circuit if the signal is validated. The driving circuit enables power to a solenoid that closes the circuit breaker.
    Type: Application
    Filed: September 4, 2008
    Publication date: March 4, 2010
    Applicant: General Electric Company
    Inventors: Pradeep Kumar Anand, Geoffrey Freeman Butland, Rajani Karra