Patents by Inventor Terence R. Morrell

Terence R. Morrell 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).

  • Wireline running and pulling tool
    Patent number: 4848820
    Abstract: A wireline tool 10 is capable of permitting either a downwards hammer action for release when its top sub 12 is connected to its housing 30, or an upwards hammer action for release when its top sub is connected to its core 26, and is capable of attachment to sub-surface tools 62 of different reach dimensions by placing its shear pin 42 into a selected one of a series of longitudinally spaced apertures 40 through its core.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: July 18, 1989
    Inventor: Terence R. Morrell