Patents Assigned to Interstate Exploration, Inc.
  • Patent number: 4458562
    Abstract: A rod wrench is provided for use with hollow stem auger drills of the type wherein auger sections are connected through a key system and secured together with a fastener. The wrench comprises a body portion which seats on and connects to the top of an auger section, a slip jaw riding in an inclined jaw guide and extending through the wrench body wall, and a pair of pipe gripping jaws at the top of the wrench body. One of those jaws is fixed to the wrench body while the other is relatively movable so as to releasably grip a drill rod passing therebetween.
    Type: Grant
    Filed: June 16, 1982
    Date of Patent: July 10, 1984
    Assignee: Interstate Exploration, Inc.
    Inventor: Paul L. Jackson