Patents by Inventor Robert W. Hirt

Robert W. Hirt 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).

  • Patent number: 12168946
    Abstract: Systems, apparatuses, and methods for monitoring a catalyst health parameter are provided. A system includes one or more processing circuits having one or more memory devices coupled to one or more processors. The one or more memory devices store instructions that, when executed by the one or more processors, cause the one or more processors to: receive information indicative of at least one of a temperature of exhaust gas entering the aftertreatment system, a time at idle, or a mass flow of exhaust gas; determine a catalyst health management criteria based on the information; determine a catalyst health indicator based on the catalyst health management criteria being met; compare the determined catalyst health indicator to a predetermined health threshold criteria; and provide a notification based on the determined catalyst health indicator being less than the predetermined health threshold criteria.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: December 17, 2024
    Assignee: Cummins Inc.
    Inventors: Robert C. Borregard, Hasan Mohammed, Atin Tandon, Daniel J. Robinson, Matthew W. Isaacs, Benjamin Goldberger, Arturo Mendoza-Pinon, Douglas Carnecki, Frank Ruggiero, David L. Hirt
  • Publication number: 20090242646
    Abstract: The invention relates to a personal identification card of the type that is used to identify the holder in order for same to gain access to digital signature services, banking services, mobile telephone services, buildings, public transport, shops or similar or in the future Spanish electronic ID card (DNI Electrónico). More specifically, the invention relates to a personal identification card, preferably a smart card or simply a card comprising a magnetic strip or a built-in chip, which is equipped with at least two different visible images of the person associated with the card, said images being disposed essentially in the same area of at least one of the faces of the card. The invention can be visually inspected in order to verify whether or not the card belongs to the holder.
    Type: Application
    Filed: May 20, 2005
    Publication date: October 1, 2009
    Inventors: Javier Perez Aznar, Robert W. Hirt, Megan Comport