Patents by Inventor Carl E. Caldwell, II

Carl E. Caldwell, II 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).

  • TRACTOR CAB OPERATOR PLATFORM
    Publication number: 20220018093
    Abstract: A tractor cab operator platform includes a composite floor holding a heating, ventilation and air conditioning unit, a plurality of blowers, and a plurality of openings for air filters. The composite floor may have a plurality of airflow passages between the plurality of air filters, the plurality of blowers and the heating, ventilation and air conditioning unit. An operator seat may be removably mounted on a seat pan over the heating, ventilation and air conditioning unit.
    Type: Application
    Filed: August 27, 2020
    Publication date: January 20, 2022
    Inventors: SUSHANTA K. DAS, CARL E. CALDWELL, II, PAUL M. ELHARDT, JAWAHAR R. NAIDU, NICHOLAS M. TOOMEY
  • Hood
    Patent number: D699765
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: February 18, 2014
    Assignee: Deere & Company
    Inventors: Phillip A. Tentinger, Dean A. Boyce, Carl E. Caldwell, II