Patents by Inventor Sean T. Lindsay

Sean T. Lindsay 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).

  • Lift Axle Suspension Systems with Lift Paddle
    Publication number: 20240174040
    Abstract: A lift axle suspension system incorporating a lift paddle is disclosed. The lift paddle comprising a first pad, a second pad and a rigid support arm securing the first pad and the second pad in fixed relation to one another. The first pad is attached to a lift spring, the second pad is secured to the bottom surface of the main support member/leaf spring. Actuation of the lift spring causes the axle to be lifted out of contact with the ground surface.
    Type: Application
    Filed: March 18, 2022
    Publication date: May 30, 2024
    Inventors: Ashley T. Dudding, Sean T. Lindsay, Ryan M. Ettenhofer, Michael P. Robinson, Richard J. Aumann
  • Tapered axle/suspension system beam for heavy-duty vehicles
    Patent number: 9809073
    Abstract: An axle/suspension system for a heavy-duty vehicle with a pair of suspension assemblies which each are mounted on a hanger outboardly offset from the outboard surface of the vehicle main member from which it depends. Each suspension assembly includes a beam pivotally attached to the hanger outboardly offset from the outboard surface of the main member. The beam has a tapered profile including an upward outboard taper on at least the inboard side of the beam, which provides clearance between each beam and its respective vehicle main member during upward jounce travel or lifting of the axle/suspension system.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: November 7, 2017
    Assignee: HENDRICKSON USA, L.L.C.
    Inventors: Sean T. Lindsay, Shane A. Tipton, Matthew J. Van Meter, Gary E. Gerstenslager, Michael P. Robinson
  • TAPERED AXLE/SUSPENSION SYSTEM BEAM FOR HEAVY-DUTY VEHICLES
    Publication number: 20170087949
    Abstract: An axle/suspension system for a heavy-duty vehicle with a pair of suspension assemblies which each are mounted on a hanger outboardly offset from the outboard surface of the vehicle main member from which it depends. Each suspension assembly includes a beam pivotally attached to the hanger outboardly offset from the outboard surface of the main member. The beam has a tapered profile including an upward outboard taper on at least the inboard side of the beam, which provides clearance between each beam and its respective vehicle main member during upward jounce travel or lifting of the axle/suspension system.
    Type: Application
    Filed: May 11, 2016
    Publication date: March 30, 2017
    Inventors: Sean T. Lindsay, Shane A. Tipton, Matthew J. Van Meter, Gary E. Gerstenslager, Michael P. Robinson