Patents by Inventor Kevan P. Elefsrud

Kevan P. Elefsrud 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).

  • Disposal of cement waste from chute
    Patent number: 7147360
    Abstract: An apparatus and method for collecting and transporting concrete waste comprises a container, a cart for supporting and moving the container and a lifting component attached to the frame of a cement truck for lifting the cart and container off the ground for transport. The apparatus may be stored on a cement truck so that the apparatus prevents disposal of cement and concrete waste in an unlawful or unsightly manner and allows the cement and concrete waste to be returned to a cement and concrete production facility and recycled. The cart includes a component for tilting the container about its midsection by an elongated lever or handle. The cart also includes a component for limiting the forward tilting of the container and for locking the container in an upright position. A wheel locking mechanism for at least one wheel of the cart is provided. The mechanism is manually engaged or disengaged.
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: December 12, 2006
    Inventor: Kevan P. Elefsrud
  • Disposal of cement waste from chute
    Patent number: 6966687
    Abstract: An apparatus and method for collecting and transporting concrete waste includes a container, a cart for supporting and moving the container and a mechanism attached to the frame of a cement truck for lifting the cart and container off the ground for transport. The apparatus may be stored on a cement truck so that the apparatus prevents disposal of cement and concrete waste in an unlawful or unsightly manner and allows the cement and concrete waste to be returned to a cement and concrete production facility and recycled. The cart includes a mechanism for tilting the container about its midsection using an elongated lever or handle.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: November 22, 2005
    Inventor: Kevan P. Elefsrud
  • Apparatus and method for disposal of cement waste
    Patent number: 6461098
    Abstract: Apparatus and method for collecting and transporting cement and concrete waste. The apparatus comprises a container, a cart for supporting and moving the container, and lifting means attached to the frame of a cement truck for lifting the cart and container off the ground for transport. The apparatus may be stored on a cement truck so that the apparatus and method can be used at any job site where the cement truck is present. Use of the disclosed method and apparatus prevents disposal of cement and concrete waste in an unlawful or unsightly manner and allows the cement and concrete waste to be returned to a cement and concrete production facility and recycled.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: October 8, 2002
    Inventor: Kevan P. Elefsrud