Patents by Inventor Stephen Ellis Oedewaldt

Stephen Ellis Oedewaldt 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).

  • TOP AND BOTTOM LOADED FILTER AND LOCKING MECHANISM
    Publication number: 20210260508
    Abstract: A filter element includes a bottom open end joined to a center tube opposite the top open end. The bottom open end defines a radially outer surface and a radially inner surface that is in communication with the central reservoir of the filter element. A first locking feature is disposed proximate to the bottom open end. The locking feature includes an entrance slot that is disposed on the radially inner surface of the center tube extending axially from the bottom open end. A similar or identical second locking feature is disposed proximate to the top open end.
    Type: Application
    Filed: February 24, 2020
    Publication date: August 26, 2021
    Applicant: Caterpillar Inc.
    Inventors: Jeffrey R. Ries, Jon T. Immel, Darrell Lee Morehouse, III, Stephen Ellis Oedewaldt, Philip Carl Spengler