Patents by Inventor Keith A. Jefferies

Keith A. Jefferies 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).

  • Patent number: 10081078
    Abstract: A first source of radiation generates a first radiation to remove a coating from a component. An amount of the first radiation generated by the first source of radiation depends on an amount of power supplied to the first source of radiation. A controller receives feedback regarding removal of the coating from the component by the first radiation and regarding the amount of power supplied to the first source of radiation, and adjusts the amount of power supplied to the first source of radiation based on the feedback. A second source of radiation generates a second radiation capable of detecting whether the coating is encountered again. The controller restarts the first source of radiation to generate the first radiation in response to the coating being detected by the second radiation, and sets the amount of power supplied to the first source of radiation based on the feedback.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: September 25, 2018
    Assignee: SurClean, Inc.
    Inventors: Donald E. Sprentall, Keith A. Jefferies
  • Publication number: 20170157708
    Abstract: A first source of radiation generates a first radiation to remove a coating from a component. An amount of the first radiation generated by the first source of radiation depends on an amount of power supplied to the first source of radiation. A controller receives feedback regarding removal of the coating from the component by the first radiation and regarding the amount of power supplied to the first source of radiation, and adjusts the amount of power supplied to the first source of radiation based on the feedback. A second source of radiation generates a second radiation capable of detecting whether the coating is encountered again. The controller restarts the first source of radiation to generate the first radiation in response to the coating being detected by the second radiation, and sets the amount of power supplied to the first source of radiation based on the feedback.
    Type: Application
    Filed: February 15, 2017
    Publication date: June 8, 2017
    Inventors: Donald E. Sprentall, Keith A. Jefferies
  • Patent number: 9573226
    Abstract: A removal system is configured for removing a coating from a substrate of a component. A first and second energy source are each configured to direct electromagnetic radiation onto the component the electromagnetic radiation produces a respective first and second property. A sensor detects the first and second properties produced by the first and second stream of electromagnetic radiation. A controller is configured to receive the detected first and second property from the sensor and the associated first and second power levels from the respective first and second energy sources. The controller transmits an updated power level to at least one of the first and second energy sources in response to the first and second property received from the sensor and the associated power level received from the first and second energy sources.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: February 21, 2017
    Assignee: SurClean, Inc.
    Inventors: Donald E. Sprentall, Keith A. Jefferies
  • Publication number: 20140305907
    Abstract: A removal system is configured for removing a coating from a substrate of a component. A first and second energy source are each configured to direct electromagnetic radiation onto the component the electromagnetic radiation produces a respective first and second property. A sensor detects the first and second properties produced by the first and second stream of electromagnetic radiation. A controller is configured to receive the detected first and second property from the sensor and the associated first and second power levels from the respective first and second energy sources. The controller transmits an updated power level to at least one of the first and second energy sources in response to the first and second property received from the sensor and the associated power level received from the first and second energy sources.
    Type: Application
    Filed: October 22, 2012
    Publication date: October 16, 2014
    Inventors: Donald E. Sprentall, Keith A. Jefferies
  • Patent number: 8405409
    Abstract: The high speed, high accuracy capacitive gauging system employs an oscillator fed through steep slope filter that is discriminates between very small changes in capacitance even in the presence of electrical noise. During intervals when the probe tip is retracted, the oscillator frequency is calibrated to match the sweet spot in the center of the linear operative region of the steep slope filter. This calibrates the system to overcome the effects of varying temperature and humidity in the manufacturing environment.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: March 26, 2013
    Assignee: Laser Mechanisms, Inc.
    Inventors: Gerald F. Hermann, Daniel R. Buckley, Christopher R. D. Miller, Keith A. Jefferies
  • Publication number: 20110089956
    Abstract: The high speed, high accuracy capacitive gauging system employs an oscillator fed through steep slope filter that is discriminates between very small changes in capacitance even in the presence of electrical noise. During intervals when the probe tip is retracted, the oscillator frequency is calibrated to match the sweet spot in the center of the linear operative region of the steep slope filter. This calibrates the system to overcome the effects of varying temperature and humidity in the manufacturing environment.
    Type: Application
    Filed: September 22, 2010
    Publication date: April 21, 2011
    Applicant: LASER MECHANISMS, INC.
    Inventors: Gerald F. Hermann, Daniel R. Buckley, Christopher R.D. Miller, Keith A. Jefferies