Patents by Inventor Paul Neilson Wood

Paul Neilson Wood 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).

  • Wellstring assembly
    Patent number: 7296639
    Abstract: A wellstring assembly comprising a tubular first wellstring part with a passageway; a second wellstring part co-operating with the first wellstring part; and a releasable wellstring-interconnecting means for selectively interconnecting the first and second wellstring parts; an auxiliary tool for manipulating the second wellstring part, which auxiliary tool can pass along the passageway in the first wellstring part to the second wellstring part, comprising a tool-connecting means for selectively connecting the auxiliary tool to the second wellstring part, and an operating means for operating the wellstring-interconnecting means.
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: November 20, 2007
    Assignee: Shell Oil Company
    Inventors: Ian Alexander Millar, Douwe Johannes Runia, Paul Neilson Wood