Patents by Inventor Thor J. Johannsen

Thor J. Johannsen 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: 7360655
    Abstract: A material handling system is provided. The material handling system includes a tank defining a reservoir for receiving a solid material, and a wheel including a plurality of circumferentially spaced apart scoops for scooping solid material from the tank and subsequently discharging scooped solid material from the tank during rotation of the wheel.
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: April 22, 2008
    Assignee: Thor Global Enterprises Ltd.
    Inventor: Thor J. Johannsen
  • Patent number: 7357259
    Abstract: A material classifier for classifying a liquid-solid mixture containing solid material to be separated is provided. The material classifier includes a tank defining a reservoir for receiving the liquid-solid mixture, and a scoop wheel including a plurality of circumferentially spaced apart scoops for scooping material from the tank and subsequently discharging the scooped material from the tank during rotation of the scoop wheel. A classification system and method of classifying material is also provided.
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: April 15, 2008
    Assignee: Thor Global Enterprises Ltd.
    Inventor: Thor J. Johannsen
  • Patent number: 7131538
    Abstract: A material classifier for classifying a liquid-solid mixture containing solid material to be separated. The material classifier includes a tank and an angularly mounted scoop wheel for scooping solid material which has settled on the bottom of the tank.
    Type: Grant
    Filed: November 11, 2003
    Date of Patent: November 7, 2006
    Assignee: Thor Global Enterprises Ltd.
    Inventor: Thor J. Johannsen
  • Patent number: 6860378
    Abstract: A conveyor belt scraper tensioning device including a support member mounted to at least partially rotate about a first axis, the support member being radially spaced apart from the first axis and having a scraper blade bracket for securing a scraper blade thereto. The device also includes a torsion bar located substantially along the first axis for imparting a torsional bias to the support member, the torsion bar having a first portion connected to the support member and a further portion spaced apart from and at least partially rotatable relative to the support member. A lever member is connected to the further portion of the torsion bar at at location spaced apart from the first portion for imparting torsional bias on the torsion bar.
    Type: Grant
    Filed: November 11, 2003
    Date of Patent: March 1, 2005
    Assignee: Thor Global Enterprises Ltd.
    Inventor: Thor J. Johannsen