Patents by Inventor Stuart R. SPENCER

Stuart R. SPENCER 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: 11828043
    Abstract: A manual input device for a machine includes an elongate handle rigidly connected at one end to a frame of a machine and configured to be engaged by a hand of an operator, and a control portion connected to a free end of the elongate handle. The control portion includes a first plurality of control surfaces and a second plurality of control surfaces associated with sensors providing control signals. The first plurality of control surfaces is positioned and oriented relative to the handle portion so it is accessible for interaction by a thumb of the hand of the operator, and the second plurality of control surfaces is positioned and oriented relative to the handle portion so it is accessible for interaction by an index finger of the hand of the operator.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: November 28, 2023
    Assignee: Caterpillar Inc.
    Inventors: Andrew A. Fredrickson, Stuart R. Spencer, Sage F. Smith, Gareth Jones
  • Publication number: 20220195697
    Abstract: A manual input device for a machine includes an elongate handle rigidly connected at one end to a frame of a machine and configured to be engaged by a hand of an operator, and a control portion connected to a free end of the elongate handle. The control portion includes a first plurality of control surfaces and a second plurality of control surfaces associated with sensors providing control signals. The first plurality of control surfaces is positioned and oriented relative to the handle portion so it is accessible for interaction by a thumb of the hand of the operator, and the second plurality of control surfaces is positioned and oriented relative to the handle portion so it is accessible for interaction by an index finger of the hand of the operator.
    Type: Application
    Filed: December 21, 2020
    Publication date: June 23, 2022
    Applicant: Caterpillar Inc.
    Inventors: Andrew A. Fredrickson, Stuart R. Spencer, Sage F. Smith
  • Publication number: 20130001984
    Abstract: A system for controlling temperature inside a machine cab defining an interior and an exterior includes a blower fan configured to be coupled to the exterior of the cab. The system also includes an evaporator configured to be coupled to the exterior of the cab at a location separated from the blower fan. The system further includes a duct coupled to the blower fan and the evaporator and extending between the blower fan and the evaporator.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 3, 2013
    Inventor: Stuart R. SPENCER