Patents by Inventor Dwight David Speas

Dwight David Speas 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: 11457552
    Abstract: A topography following material collection device and related methods thereof are disclosed. According to an aspect, The device comprises a topography following system, a material collecting system, a plurality of ground contacting implements, where the topography following system provides support for the material collecting system at a desired height with respect to a ground surface, and the material collection system supporting the ground contacting implements in supplemental and augmenting stages, such that the device is adapted to be moved over ground with laterally-stable progress while following topography of the ground to collect material from the ground.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: October 4, 2022
    Inventor: Dwight David Speas
  • Publication number: 20200305332
    Abstract: A topography following material collection device and related methods thereof are disclosed. According to an aspect, The device comprises a topography following system, a material collecting system, a plurality of ground contacting implements, where the topography following system provides support for the material collecting system at a desired height with respect to a ground surface, and the material collection system supporting the ground contacting implements in supplemental and augmenting stages, such that the device is adapted to be moved over ground with laterally-stable progress while following topography of the ground to collect material from the ground.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 1, 2020
    Inventor: Dwight David Speas