Patents by Inventor Joel Roltgen

Joel Roltgen 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).

  • Pre-Cleaning Air Filter
    Publication number: 20210031130
    Abstract: A filter element including a filter media, an end cap, and a baffle. The filter media is configured to be secured within a housing. The housing includes an inlet configured to accept a fluid for filtering and the filter media including a circumferential outer surface. The end cap is positioned at and coupled to one end of the filter media. The baffle is positioned relative to the filter media at a position such that, when the filter element is correctly installed within the housing, the baffle is proximate the inlet of the housing. The baffle extends around only a portion of the circumferential outer surface of the filter media in a radial direction.
    Type: Application
    Filed: October 20, 2020
    Publication date: February 4, 2021
    Applicant: Cummins Filtration IP, Inc.
    Inventors: Robert A. Bannister, Kelly A. Detra, Joel Roltgen, Mark V. Holzmann
  • Pre-cleaning air filter
    Patent number: 10898839
    Abstract: A filter element including a filter media, an end cap, and a baffle. The filter media is configured to be secured within a housing. The housing includes an inlet configured to accept a fluid for filtering and the filter media including a circumferential outer surface. The end cap is positioned at and coupled to one end of the filter media. The baffle is positioned relative to the filter media at a position such that, when the filter element is correctly installed within the housing, the baffle is proximate the inlet of the housing. The baffle extends around only a portion of the circumferential outer surface of the filter media in a radial direction.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: January 26, 2021
    Assignee: CUMMINS FILTRATION IP, INC
    Inventors: Robert A. Bannister, Kelly A. Detra, Joel Roltgen, Mark V. Holzmann
  • Pre-Cleaning Air Filter
    Publication number: 20170368487
    Abstract: A filter element including a filter media, an end cap, and a baffle. The filter media is configured to be secured within a housing. The housing includes an inlet configured to accept a fluid for filtering and the filter media including a circumferential outer surface. The end cap is positioned at and coupled to one end of the filter media. The baffle is positioned relative to the filter media at a position such that, when the filter element is correctly installed within the housing, the baffle is proximate the inlet of the housing. The baffle extends around only a portion of the circumferential outer surface of the filter media in a radial direction.
    Type: Application
    Filed: December 18, 2015
    Publication date: December 28, 2017
    Applicant: Cummins Filtration IP, Inc.
    Inventors: Robert A. Bannister, Kelly A. Detra, Joel Roltgen, Mark V. Holzmann