Patents by Inventor Marcus J. Engle

Marcus J. Engle 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).

  • Patent number: 6866050
    Abstract: A vacuum transfer system for transferring food grade products. A biased ball in a cage with a substantially uninterrupted cage wall is utilized as a check valve. The ball may be biased by a weight to float in a predictable orientation relative to the cage. The biased ball assures that a certain portion of the ball will consistently engage with and aperture. The biased ball also minimizes chattering of the ball in the cage under high flow conditions.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: March 15, 2005
    Inventor: Marcus J. Engle
  • Publication number: 20040168713
    Abstract: A vacuum transfer system for transferring food grade products. A biased ball in a cage with a substantially uninterrupted cage wall is utilized as a check valve. The ball may be biased by a weight to float in a predictable orientation relative to the cage. The biased ball assures that a certain portion of the ball will consistently engage with and aperture. The biased ball also minimizes chattering of the ball in the cage under high flow conditions.
    Type: Application
    Filed: March 8, 2004
    Publication date: September 2, 2004
    Inventor: Marcus J. Engle
  • Patent number: 6729338
    Abstract: A vacuum transfer system for transferring food grade products. A biased ball in a cage with a substantially uninterrupted cage wall is utilized as a check valve. The ball may be biased by a weight to float in a predictable orientation relative to the cage. The biased ball assures that a certain portion of the ball will consistently engage with and aperture. The biased ball also minimizes chattering of the ball in the cage under high flow conditions.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: May 4, 2004
    Inventor: Marcus J. Engle
  • Publication number: 20020144716
    Abstract: A vacuum transfer system for transferring food grade products. A biased ball in a cage with a substantially uninterrupted cage wall is utilized as a check valve. The ball may be biased by a weight to float in a predictable orientation relative to the cage. The biased ball assures that a certain portion of the ball will consistently engage with and aperture. The biased ball also minimizes chattering of the ball in the cage under high flow conditions.
    Type: Application
    Filed: June 3, 2002
    Publication date: October 10, 2002
    Inventor: Marcus J. Engle
  • Patent number: 6425408
    Abstract: A vacuum transfer system for transferring food grade products. A biased ball in a cage with a substantially uninterrupted cage wall is utilized as a check valve. The ball may be biased by a weight to float in a predictable orientation relative to the cage. The biased ball assures that a certain portion of the ball will consistently engage with an aperture. The biased ball also minimizes chattering of the ball in the cage under high flow conditions.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: July 30, 2002
    Inventor: Marcus J. Engle
  • Patent number: 6058949
    Abstract: A cleaning apparatus for cleaning and sanitizing a tank, the tank for holding liquid food grade product, the liquid food grade product being transferred into and out of the tank by means of vacuum, the tank having a vacuum transfer system for transferring liquid food grade product includes apparatus for cyclically alternating a flow of cleaning fluid between the tank and the vacuum transfer system.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: May 9, 2000
    Inventor: Marcus J. Engle
  • Patent number: 5839484
    Abstract: A vacuum transfer method and system for transferring liquid food grade product vacuum transfer system for transferring liquid food grade product into and from a vessel. The vessel has at least one product inlet/outlet. The vacuum transfer system includes a selectively activatable vacuum source. A vacuum transfer unit is in fluid communication with the vacuum source and with the vessel. Valves are operably coupled to the vacuum source and the vacuum transfer unit for selectively (a) pressurizing the tank and (b) drawing a vacuum in the tank, whereby drawing a vacuum by the vacuum source in the vessel acts to draw the liquid food grade product into the vessel through the at least one product inlet/outlet and pressurizing the vessel acts to expel the liquid food grade product from the vessel through the at least one product inlet/outlet.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: November 24, 1998
    Inventor: Marcus J. Engle