Patents by Inventor Laurence A. Keeven

Laurence A. Keeven 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: 8167528
    Abstract: A lift that is configured to securely lift, carry and deposit a control unit using three degrees of movement. The lift comprises a chassis having a support frame and a power source connected to the support frame. A pivot member rotatably connects to the support frame, wherein the pivot member has a pivot plate and a rod rotatably connected to the pivot plate. A lift frame connects to the rod of the pivot plate, wherein a lift arm rotatably connects to the lift frame. The lift further comprises a pressurized fluid drive operatively connected to the power source and operatively connected to the pivot plate, the lift frame and the lift arm. The fluid drive is configured to reciprocally move the pivot plate, the lift frame and the lift arm such that the lift arm moves in three degrees of movement with respect to the chassis.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: May 1, 2012
    Inventors: Ronald A. Keeven, Michael A. Keeven, Laurence A. Keeven
  • Publication number: 20100080682
    Abstract: A lift that is configured to securely lift, carry and deposit a control unit using three degrees of movement. The lift comprises a chassis having a support frame and a power source connected to the support frame. A pivot member rotatably connects to the support frame, wherein the pivot member has a pivot plate and a rod rotatably connected to the pivot plate. A lift frame connects to the rod of the pivot plate, wherein a lift arm rotatably connects to the lift frame. The lift further comprises a pressurized fluid drive operatively connected to the power source and operatively connected to the pivot plate, the lift frame and the lift arm. The fluid drive is configured to reciprocally move the pivot plate, the lift frame and the lift arm such that the lift arm moves in three degrees of movement with respect to the chassis.
    Type: Application
    Filed: September 30, 2009
    Publication date: April 1, 2010
    Inventors: Ronald A. Keeven, Michael A. Keeven, Laurence A. Keeven