Patents Assigned to Louis Martinez
  • Gate valve locking arrangement
    Patent number: 5353833
    Abstract: A gate valve locking arrangement in which a steel bracket is clamped on a portion of the truss extending upwardly from the valve bonnet and supporting the gate valve spindle and wheel, the bracket having a rigid bar extending upwardly and capped by a L-shaped member seating against the inside of the wheel. The bracket may be secured in a fixed portion relative to the wheel by a cylindrical lock having a recess into which the vertical portion of the L-shaped member is inserted and locked, or by a padlock in certain applications.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: October 11, 1994
    Assignee: Louis Martinez
    Inventor: Louis Martinez