Patents by Inventor Stephen Samuel McMaster

Stephen Samuel McMaster 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: 20260191143
    Abstract: The present invention relates to a windguard assembly for use with an agricultural baler (2), the assembly comprising a guide channel (30), a carriage (40) with a base element (42) for displacement within the guide channel, a windguard frame element (60) supported by the carriage and a crop material hold down element (70) supported frame element. In a working position the guide channel is secured to a lower side of a baler frame and free ends of the frame element are secured to a pick up housing forming part of the agricultural baler. In the event of a blockage within the pick up apparatus, or to allow access for maintenance of the pick up apparatus, the free ends of the frame element may be disconnected from the pick up housing allowing frame element together with the crop material hold down element to be displaced away from the pick up apparatus.
    Type: Application
    Filed: October 17, 2023
    Publication date: July 9, 2026
    Inventors: Stephen Samuel McMaster, Kelly B. Booton, Patrick L. Cherney
  • Publication number: 20170188513
    Abstract: A powered ladder is operable to move a person vertically relative to an agricultural or industrial vehicle. The ladder broadly includes an elongated ladder frame, a step, and a step drive. The ladder frame includes a pair of ladder rails that cooperatively define an upright ladder axis and a path therebetween, with the path extending along the ladder axis. The step is shiftably attached to the ladder frame and is positioned at least partly within the path. The step drive is drivingly connected relative to the step to drive the step between upper and lower positions.
    Type: Application
    Filed: December 23, 2016
    Publication date: July 6, 2017
    Inventors: Donald Lee Kluver, III, Dino Rey Valdez, Stephen Samuel McMaster