Patents by Inventor Ganesh Ram Ramanujam Karthikeyan

Ganesh Ram Ramanujam Karthikeyan 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).

  • CRANKCASE VENTILATION FILTERS WITH AXIAL SEAL MEMBER
    Publication number: 20240376837
    Abstract: A rotating crankcase ventilation filter element comprises a filter media comprising a plurality of filter media layers. A first endcap is positioned on a filter media first end of the filter media, and a second endcap positioned on a filter media second end of the filter media. the second endcap coupled to the first endcap such that the first endcap and the second endcap define an internal volume within which the filter media is disposed. The second endcap comprises an axial seal member extending from a surface of the second endcap towards the filter media and forming an axial seal with the filter media. The axial seal member projects substantially parallel to a direction of axial fluid flow entering the filter media.
    Type: Application
    Filed: August 8, 2022
    Publication date: November 14, 2024
    Applicant: Cummins Filtration Inc.
    Inventors: Chirag D. Parikh, Mark V. Holzmann, Ken Tofsland, Rajath Martin, Xuerui Gu, Joseph Appelhans, Ganesh Ram Ramanujam Karthikeyan
  • Anti-rotation features for crankcase ventilation filters
    Patent number: 12071873
    Abstract: A rotating crankcase ventilation filter element comprises a filter media comprising a plurality of filter media layers. A first end cap is positioned on a filter media first end. The first end cap comprises a first end cap main body, and a first plurality of indenting features positioned on the first end cap main body proximate the filter media first end. The first plurality of indenting features contact and indent corresponding segments of the filter media first end, causing the plurality of filter media layers to interlock at the corresponding segments. The interlocking prevents movement of the plurality of filter media layers relative to each other.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: August 27, 2024
    Assignee: CUMMINS FILTRATION IP, INC.
    Inventors: Chirag D. Parikh, Rajath Martin, Ken Tofsland, Ganesh Ram Ramanujam Karthikeyan
  • ANTI-ROTATION FEATURES FOR CRANKCASE VENTILATION FILTERS
    Publication number: 20210189926
    Abstract: A rotating crankcase ventilation filter element comprises a filter media comprising a plurality of filter media layers. A first end cap is positioned on a filter media first end. The first end cap comprises a first end cap main body, and a first plurality of indenting features positioned on the first end cap main body proximate the filter media first end. The first plurality of indenting features contact and indent corresponding segments of the filter media first end, causing the plurality of filter media layers to interlock at the corresponding segments. The interlocking prevents movement of the plurality of filter media layers relative to each other.
    Type: Application
    Filed: May 21, 2019
    Publication date: June 24, 2021
    Applicant: CUMMINS FILTRATION IP, INC.
    Inventors: Chirag D. Parikh, Rajath Martin, Ken Tofsland, Ganesh Ram Ramanujam Karthikeyan