Patents by Inventor Axel J. Dahlberg

Axel J. Dahlberg 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).

  • Run-safe filter system
    Patent number: 8580023
    Abstract: A run-safe filter system is provided for confirming installation of a qualified filter element in a housing. An electrical switch has a first electrical condition in response to a qualified filter element being installed in the housing, and a second electrical condition in response to the absence of a qualified filter element installed in the housing.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: November 12, 2013
    Assignee: Cummins Filtration IP Inc.
    Inventors: Mark P. Adams, Axel J. Dahlberg, Matthew L. Schneider
  • Run-Safe Filter System
    Publication number: 20110308395
    Abstract: A run-safe filter system is provided for confirming installation of a qualified filter element in a housing. An electrical switch has a first electrical condition in response to a qualified filter element being installed in the housing, and a second electrical condition in response to the absence of a qualified filter element installed in the housing.
    Type: Application
    Filed: May 4, 2011
    Publication date: December 22, 2011
    Applicant: CUMMINS FILTRATION IP INC.
    Inventors: Mark P. Adams, Axel J. Dahlberg, Matthew L. Schneider