Patents by Inventor Paul R. Hozak

Paul R. Hozak 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).

  • SYSTEM AND METHOD FOR VALIDATING DIAGNOSTIC TROUBLE CODES GENERATED BY ONBOARD DIAGNOSTICS SYSTEMS OF VEHICLES
    Publication number: 20230282033
    Abstract: A system for validating diagnostic trouble codes (DTCs) in vehicles includes a processor and a memory storing instructions which when executed by the processor configure the processor to receive DTC data from the vehicles, filter the DTC data using predefined rules, generate one or more metrics based on the filtered DTC data, and determining based on the metrics whether the DTCs meet specifications for the DTCs.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 7, 2023
    Inventors: Shiming Duan, Yingjie Cai, Paul R. Hozak, Fernando Ferreira Pio, Gregory Sapick, Xiaomeng Peng
  • Humidity based control system for an internal combustion engine
    Patent number: 7597093
    Abstract: A humidity based control system for an internal combustion engine includes a calculation module and a calibration module. The calculation module determines a humidity of air used in a combustion process of the internal combustion engine. The control module selectively controls spark timing and exhaust dilution in the internal combustion engine based on the humidity.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: October 6, 2009
    Assignee: GM Global Technology Operations, Inc.
    Inventors: Lynn A. Totten, Michael Wayne Leiferman, Paul R. Hozak, Jeffrey A. Sell
  • Humidity based control system for an internal combustion engine
    Publication number: 20080059049
    Abstract: A humidity based control system for an internal combustion engine includes a calculation module and a calibration module. The calculation module determines a humidity of air used in a combustion process of the internal combustion engine. The control module selectively controls spark timing and exhaust dilution in the internal combustion engine based on the humidity.
    Type: Application
    Filed: February 6, 2007
    Publication date: March 6, 2008
    Inventors: Lynn A. Totten, Michael Wayne Leiferman, Paul R. Hozak, Jeffrey A. Sell