Patents by Inventor Alfred J. Carlson

Alfred J. Carlson 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).

  • Publication number: 20010052565
    Abstract: The present invention is a lifting device that is useful for loading heavy and bulky objects into a motor vehicle, such as a van or sport utility vehicle. The device comprises a weight support structure having a weight transfer foot that is adapted to removably attach to a roof section of a motor vehicle, such as the rain gutters commonly provided on vans and sport utility vehicles. A hook structure is fixedly attached to the weight transfer foot, by methods common in the industry, such as welding. When the weight transfer foot is attached to the roof section of a motor vehicle the hook structure hangs down below the roof and is available for supporting the heavy object. Chains or cables attached to the heavy object may then be removably attached to the hook structure, allowing the heavy object to be levered up and into the vehicle.
    Type: Application
    Filed: August 4, 2001
    Publication date: December 20, 2001
    Inventor: Alfred J. Carlson
  • Patent number: 6270048
    Abstract: A lifting device useful for loading heavy and bulky objects into a motor vehicle, such as a van or sport utility vehicle. The device comprises a weight support structure having a weight transfer foot that is adapted to removably attach to a roof section of a motor vehicle, such as the rain gutters commonly provided on vans and sport utility vehicles. A hook structure is fixedly attached to the weight transfer foot, by methods common in the industry, such as welding. When the weight transfer foot is attached to the roof section of a motor vehicle the hook structure hangs down below the roof and is available for supporting the heavy object. Ropes attached to the heavy object may then be removably attached to the hook structure, allowing the heavy object to be levered up and into the vehicle.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: August 7, 2001
    Inventor: Alfred J. Carlson
  • Patent number: 4422629
    Abstract: An accessory apparatus for vises utilize a pair of accessory members, one of which has a Z-shaped cross-section and means to removeably secure the Z-shaped cross-section to the stationary nonmoveable portion of the vise. The other accessory member is provided having a Z-shaped cross-section and means to secure the other accessory member to the moveable portion of the vise. The Z-shaped cross-section is configured to have its central region residing on the uppermost portion of the vise. One leg of each of the Z-shaped cross-shaped sections, protruding upwardly from the vise are provided having a pair of removeably jaws secured thereto. A plate may be removeably secured to the uppermost surface of the Z-shaped cross-section secured to the moveable portion of the vise, having one end configured to accommodate the pair of plates secured to the upstanding leg of such Z-shaped cross-section. The other end of the plate is similarly provided having two plates secured thereto.
    Type: Grant
    Filed: May 24, 1982
    Date of Patent: December 27, 1983
    Inventor: Alfred J. Carlson
  • Patent number: 4078782
    Abstract: An accessary apparatus for vises utilizes a pair of accessory members, one of which has a Z shaped cross-section and means to removably secure the Z shaped cross-section to the stationary non movable portion of the vise. The other accessary member is provided having an L-shaped portion and means to secure the other accessary member to the movable portion of the vise. The L-shaped access member is adapted to have one leg thereof reside on the uppermost portion of the vise. The uppermost surface of the leg of the L-shaped member is provided with a pair of notches adapted to slidably lockingly engage a bar therewithin. The Z shaped member has an upwardly protruding leg extending parallel to the clamping face of the stationary member of the vise. Work is clamped between the upwardly extending leg of the Z shaped member and a surface of the bar when engaged within the notch. Thus, the work piece hangs over a portion of the stationary member and a portion of the movable member of the vise.
    Type: Grant
    Filed: August 3, 1977
    Date of Patent: March 14, 1978
    Inventor: Alfred J. Carlson