Patents Assigned to Hammer Industries Inc.
  • Lockout device for a chain wheel operated valve
    Patent number: 9422751
    Abstract: The lockout device has a body with one or more continuous sidewalls, an open end and a bottom defining an interior volume. It also has a lid pivotally attached to at least one of the sidewalls and moveable between an open and closed position. The lid is located to cover at least a portion of the open end of the body when in the closed position. The device also has a closure mechanism capable of holding the lid in a closed position. A pin extends at a downward angle from one of the side across a gap in the lid.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: August 23, 2016
    Assignee: Roto Hammer Industries Inc.
    Inventors: Craig T. Sutton, Katherine J. Sutton, Steven Sweeden
  • Device for automatically testing fluid absorption rates of soil
    Patent number: 4099406
    Abstract: A device for the automatic determination and recordation of rates of fluid absorption in soils, including a plurality of conductive probes which are positioned at various levels with regard to a provided water level such that as the water level drops, the time to accomplish the drop is recorded. The device provides a pair of timing and time recording devices interconnected with the probes such that two individual time sequences may be recorded.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: July 11, 1978
    Assignee: Hammer Industries Inc.
    Inventor: Melvin A. Fulkerson