Patents Assigned to All Phase Electronics, Inc.
  • Power driven sweeper
    Patent number: 4197607
    Abstract: A wheel mounted power driven sweeper for cleaning hard to clean floors such as hardened animal manure from animal houses, concrete slabs in feed lots, of any other type application requiring a sweeper for cleaning material therefrom. The sweeper characterized by having a plurality of circular brushes mounted thereon in combination with circular cutting knives disposed adjacent said brushes. The sweeper further characterized by having an adjustable front wheel for adjusting the height of the brushes and cutting knives above the floor surface.
    Type: Grant
    Filed: January 15, 1979
    Date of Patent: April 15, 1980
    Assignee: All-Phase Electronics Inc.
    Inventor: Donald W. Whitson
  • Smoke alarm device for a grain dryer
    Patent number: 4177461
    Abstract: An alarm device for a grain dryer. The alarm device activating an audio alarm and visual alarm energized electrically by a smoke detector and burner shutdown indicator lamp to warn the dryer operator when a burner is no longer operating or when smoke is detected in the dryer.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: December 4, 1979
    Assignee: All Phase Electronics, Inc.
    Inventors: David A. Brown, Jan L. Norman, Donald W. Whitson
  • Electronic controls for automatically operating a cattle dipping vat
    Patent number: 4161925
    Abstract: An electrical control device for automatically operating a cattle dipping vat. The device attached to existing cattle dipping vat equipment in eliminating the manual operation of receiving cattle in a cage, lowering the cage into the dipping vat, raising the cage from the dipping vat, and discharging the cattle from the cage.
    Type: Grant
    Filed: December 9, 1977
    Date of Patent: July 24, 1979
    Assignee: All Phase Electronics, Inc.
    Inventor: Donald W. Whitson