Patents by Inventor Terry M. Lechinger

Terry M. Lechinger 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).

  • Trailer mounted high floor drilling mast and substructure arrangement
    Patent number: 4292772
    Abstract: Telescopable drilling mast means is transportable on and pivotally connected to a first trailer means. Setback tower means is pivotally connected to the drilling mast means and to the first trailer means.Second trailer means are provided with elevatable drawworks support means with drawworks, power source and rotary table thereon which elevatable drawworks support means is transportable on and pivotally mounted on the second trailer means.Means secure the first and second trailer means in end to end relation to position the drawworks support means and drilling mast means in longitudinal alignment, and load bearing means support the first and second trailer means in position on the earth's surface.
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: October 6, 1981
    Assignee: PRE Corporation
    Inventors: Paul E. Borg, Terry M. Lechinger