Patents by Inventor Joseph Alan Lehtola

Joseph Alan Lehtola 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).

  • Vibration system
    Patent number: 10072386
    Abstract: A vibration system for a compactor drum including a central support structure fixedly mounted within the compactor drum. The vibration system also includes a first vibratory exciter coupled to the central support structure. The vibration system further includes a second vibratory exciter coupled to the central support structure. The second vibratory exciter is longitudinally spaced apart from the first vibratory exciter. The vibration system includes a stabilizer element coupled to, and extending between, the first and second vibratory exciters. The stabilizer element is parallel to the central support structure.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: September 11, 2018
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Joseph Alan Lehtola, Nicholas Alan Oetken
  • Flush Mount Vibratory System for Utility Roller
    Publication number: 20170016185
    Abstract: A compacting apparatus includes a chassis, at least one drum supporting the chassis, a propel motor operatively associated with and adapted to rotate the at least one drum, a vibratory motor connected to the propel motor, a shaft, and an eccentric weight. The propel motor defines an aperture through which the shaft extends, drivably connecting the vibratory motor and the eccentric weight.
    Type: Application
    Filed: July 14, 2015
    Publication date: January 19, 2017
    Applicant: CATERPILLAR PAVING PRODUCTS INC.
    Inventors: Joseph Alan Lehtola, Michael P. Siers