Patents by Inventor Nathan J. Keller

Nathan J. Keller 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).

  • Operator cab for a work vehicle with reduced noise reflection
    Patent number: 11440489
    Abstract: An operator cab for a work vehicle includes: a cab enclosure including a roof an operator chair disposed in the cab enclosure; at least one layer of noise-deadening material coupled to the roof; and a headliner coupled to the roof such that the at least one layer of noise-deadening material is at least partially disposed between the headliner and the roof. The headliner includes a noise-reflective material and a noise escape region that comprises at least one opening configured to allow sound waves to pass through the noise escape region into the at least one layer of noise-deadening material and reduce noise reflection by the headliner to the operator chair.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: September 13, 2022
    Assignee: CNH Industrial America LLC
    Inventors: Bin Lou, Samrendra K. Singh, Mark D. Klassen, David S. Booth, Kaushal Ghorpade, Panos Tamamidis, Nathan J. Keller
  • OPERATOR CAB FOR A WORK VEHICLE WITH REDUCED NOISE REFLECTION
    Publication number: 20210188196
    Abstract: An operator cab for a work vehicle includes: a cab enclosure including a roof an operator chair disposed in the cab enclosure; at least one layer of noise-deadening material coupled to the roof; and a headliner coupled to the roof such that the at least one layer of noise-deadening material is at least partially disposed between the headliner and the roof. The headliner includes a noise-reflective material and a noise escape region that comprises at least one opening configured to allow sound waves to pass through the noise escape region into the at least one layer of noise-deadening material and reduce noise reflection by the headliner to the operator chair.
    Type: Application
    Filed: December 20, 2019
    Publication date: June 24, 2021
    Applicant: CNH Industrial America LLC
    Inventors: Bin Lou, Samrendra K. Singh, Mark D. Klassen, David S. Booth, Kaushal Ghorpade, Panos Tamamidis, Nathan J. Keller