Patents by Inventor Benjamin D. STOLTZFUS

Benjamin D. STOLTZFUS 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).

  • Oil drain back seal and systems, assemblies, kits, and methods thereof
    Patent number: 11725606
    Abstract: A funnel or drain back seal and systems, assemblies, components, kits, and methods thereof can comprise a body defining an opening that extends from a top of the body to a bottom of the body; a head portion that extends outward from the top of the body; and a flap or lip that extends outward from the bottom of the body. The opening can be adapted to pass draining oil from the top of the body to the bottom of the body for supply into an engine block.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: August 15, 2023
    Assignee: Caterpillar Inc.
    Inventors: Suresh B. Chennagowni, Mandar A. Joshi, Benjamin D. Stoltzfus, Pradeep Chapagain, Gregory O. Potts
  • OIL DRAIN BACK SEAL AND SYSTEMS, ASSEMBLIES, KITS, AND METHODS THEREOF
    Publication number: 20220364525
    Abstract: A funnel or drain back seal and systems, assemblies, components, kits, and methods thereof can comprise a body defining an opening that extends from a top of the body to a bottom of the body; a head portion that extends outward from the top of the body; and a flap or lip that extends outward from the bottom of the body. The opening can be adapted to pass draining oil from the top of the body to the bottom of the body for supply into an engine block.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 17, 2022
    Applicant: Caterpillar Inc.
    Inventors: Suresh B. CHENNAGOWNI, Mandar A. JOSHI, Benjamin D. STOLTZFUS, Pradeep CHAPAGAIN, Gregory O. POTTS