Patents by Inventor Colin Wray Herbert

Colin Wray Herbert 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).

  • Apparatus facilitating removal of a kort rudder ring on a marine vessel
    Patent number: 4111148
    Abstract: This invention is an arrangement for easily removing a kort rudder ring from the hull of an oil drilling rig for examination of the bearings from time to time. The housing of the lower rudder ring pintle bearing is quickly removable from the outside by a diver, so that the ring can be dropped from its upper bearing housing, moved rearwardly, and lifted by lifting tackle to the surface. Thus examination can take place while the rig is still working at sea.
    Type: Grant
    Filed: July 7, 1977
    Date of Patent: September 5, 1978
    Inventor: Colin Wray Herbert