Patents by Inventor Nigel Ryder

Nigel Ryder 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).

  • Downhole uses of electroactive polymers
    Patent number: 7559358
    Abstract: A downhole actuator comprising a electroactive polymer, an advancement device, and an electrical source for stimulating the electroactive polymer. The advancement device is motivated by stimulation of the electroactive polymer. The electroactive polymer can be stimulated by the electrical source. The embodiments of the actuator can be utilized in subterranean downhole environments. Alternatively, the device can comprise a downhole acoustic source comprising an electroactive polymer.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: July 14, 2009
    Assignee: Baker Hughes Incorporated
    Inventors: Rocco DiFoggio, Nigel Ryder
  • Downhole uses of electroactive polymers
    Publication number: 20070029197
    Abstract: A downhole actuator comprising a electroactive polymer, an advancement device, and an electrical source for stimulating the electroactive polymer. The advancement device is motivated by stimulation of the electroactive polymer. The electroactive polymer can be stimulated by the electrical source. The embodiments of the actuator can be utilized in subterranean downhole environments. Alternatively, the device can comprise a downhole acoustic source comprising an electroactive polymer.
    Type: Application
    Filed: August 3, 2005
    Publication date: February 8, 2007
    Inventors: Rocco DiFoggio, Nigel Ryder