Patents by Inventor Robert L. Estes

Robert L. Estes 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).

  • Roll-off container with adjustable attachment apparatus
    Patent number: 8079626
    Abstract: An adjustable attachment apparatus for a container, in particular, a roll-on, roll-off container, for use with a truck equipped to transport the carrier, such as a hoist truck. The container attachment apparatus includes a connector member, more specifically a hook receiving member which is vertically adjustable in apertures of a guide member to a plurality of different heights in relation to a ground surface in order to accommodate trucks having container retrieving hoist mechanisms with a hook or other element of differing minimum heights which manipulates the container through the connector member. In one embodiment, the guide member includes a rail having a slotted track and a connector member is connected to the guide member by a locking mechanism.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: December 20, 2011
    Inventor: Robert L. Estes
  • Roll-off container with adjustable attachment apparatus
    Publication number: 20090167039
    Abstract: An adjustable attachment apparatus for a container, in particular, a roll-on, roll-off container, for use with a truck equipped to transport the carrier, such as a hoist truck. The container attachment apparatus includes a connector member, more specifically a hook receiving member which is vertically adjustable in apertures of a guide member to a plurality of different heights in relation to a ground surface in order to accommodate trucks having container retrieving hoist mechanisms with a hook or other element of differing minimum heights which manipulates the container through the connector member. In one embodiment, the guide member includes a rail having a slotted track and a connector member is connected to the guide member by a locking mechanism.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 2, 2009
    Inventor: Robert L. Estes
  • Roll-off container with adjustable attachment apparatus; attachment apparatus
    Patent number: 7318611
    Abstract: The present invention relates to a container, in particular, a roll-on, roll-off container, for use with a truck equipped to transport the carrier, such as a hoist truck. The container includes a connector member, more specifically a hook-receiving member which is vertically adjustable in relation to a ground surface in order to accommodate trucks having container retrieving hoist mechanisms with a hook or other element of differing minimum heights which manipulates the container through the connector member.
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: January 15, 2008
    Inventor: Robert L. Estes
  • Roll-off container with adjustable attachment apparatus
    Patent number: 7306273
    Abstract: An adjustable attachment apparatus for a container, in particular, a roll-on, roll-off container, for use with a truck equipped to transport the carrier, such as a hoist truck. The container attachment apparatus includes a connector member, more specifically a hook-receiving member which is vertically adjustable in a guide member to a plurality of different heights in relation to a ground surface in order to accommodate trucks having container retrieving hoist mechanisms with a hook or other element of differing minimum heights which manipulates the container through the connector member. In one embodiment, the guide member includes a rail having a slotted track.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: December 11, 2007
    Inventor: Robert L. Estes