Patents by Inventor Paul Riffel

Paul Riffel 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).

  • Diesel exhaust fluid system
    Patent number: 10371030
    Abstract: An exhaust gas purification system includes a tank for storing a fluid and a mounting plate coupled to the tank. A baffle is positioned inside the tank below the mounting plate. The baffle has an outer wall defining an interior cavity and an opening. A sensor is positioned in the interior cavity for detecting a condition of the fluid. A supply conduit extends through the mounting plate into the tank. A return conduit extends through the mounting plate into the tank and has an outlet positioned to discharge a return fluid below the opening and exterior to the baffle and the interior cavity.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: August 6, 2019
    Assignee: DEERE & COMPANY
    Inventors: Ryan Kruse, Francis J. Lahey, Mark D. Benedict, Douglas J. Send, Paul Wantschik, Eric Nohr, Paul Riffel, Jonathan Copeland
  • DIESEL EXHAUST FLUID SYSTEM
    Publication number: 20180094562
    Abstract: An exhaust gas purification system includes a tank for storing a fluid and a mounting plate coupled to the tank. A baffle is positioned inside the tank below the mounting plate. The baffle has an outer wall defining an interior cavity and an opening. A sensor is positioned in the interior cavity for detecting a condition of the fluid. A supply conduit extends through the mounting plate into the tank. A return conduit extends through the mounting plate into the tank and has an outlet positioned to discharge a return fluid below the opening and exterior to the baffle and the interior cavity.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 5, 2018
    Inventors: Ryan Kruse, Francis J. Lahey, Mark D. Benedict, Douglas J. Send, Paul Wantschik, Eric Nohr, Paul Riffel, Jonathan Copeland