Patents by Inventor David Leonard Hall

David Leonard Hall 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: 10260210
    Abstract: An offshore structure includes an original structure and an extension structure. The original structure includes a main platform supported via a foundation on a seabed. The extension structure includes a platform extension positioned laterally of the main platform and a platform extension support, depending downwardly from the platform extension, into contact with the foundation, so as to support the extension structure directly on the foundation.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: April 16, 2019
    Assignee: ConocoPhillips (U.K.) Britannia Limited
    Inventors: David Leonard Hall, Gary Dean, Duncan Knight, Anthony Clark, Andrew Kirkpatrick, Paul Oliver, Bruce John Munro, Lindsay McKay, Alan Rodger, Eric Reid, Donald Macleod
  • Patent number: 9945087
    Abstract: An offshore structure comprises: an original structure comprising a main platform supported via a foundation on a seabed; and an extension structure comprising a platform extension positioned laterally of the main platform and a platform extension support, depending downwardly from the platform extension, into contact with the foundation, so as to support the extension structure directly on the foundation.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: April 17, 2018
    Assignee: CONOCOPHILLIPS (U.K.) BRITANNIA LIMITED
    Inventors: David Leonard Hall, Gary Dean, Duncan Knight, Anthony Clark, Andrew Kirkpatrick, Paul Oliver, Bruce John Munro, Lindsay Mckay, Alan Rodger, Eric Reid, Donald Macleod
  • Publication number: 20170356152
    Abstract: An offshore structure includes an original structure and an extension structure. The original structure includes a main platform supported via a foundation on a seabed. The extension structure includes a platform extension positioned laterally of the main platform and a platform extension support, depending downwardly from the platform extension, into contact with the foundation, so as to support the extension structure directly on the foundation.
    Type: Application
    Filed: August 29, 2017
    Publication date: December 14, 2017
    Applicant: BRITANNIA OPERATOR LIMITED
    Inventors: David Leonard HALL, Gary DEAN, Duncan KNIGHT, Anthony CLARK, Andrew KIRKPATRICK, Paul OLIVER, Bruce John MUNRO, Lindsay MCKAY, Alan RODGER, Eric REID, Donald MACLEOD
  • Publication number: 20150147121
    Abstract: An offshore structure comprises: an original structure comprising a main platform supported via a foundation on a seabed; and an extension structure comprising a platform extension positioned laterally of the main platform and a platform extension support, depending downwardly from the platform extension, into contact with the foundation, so as to support the extension structure directly on the foundation.
    Type: Application
    Filed: April 9, 2013
    Publication date: May 28, 2015
    Inventors: David Leonard Hall, Gary Dean, Duncan Knight, Anthony Clark, Andrew Kirkpatrick, Paul Oliver, Bruce John Munro, Lindsay Mckay, Alan Rodger, Eric Reid, Donald Macleod