Patents by Inventor Thomas L. Cumbey

Thomas L. Cumbey 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).

  • Exhaust system for vehicle
    Patent number: 10989097
    Abstract: Disclosed is an exhaust system for a vehicle having an exhaust passageway through which products of combustion from the engine pass through and out to atmosphere, which exhaust system has a bead portion formed in the exhaust passageway with one more holes in the lower portion thereof through which at least a portion of the rain which has entered the interior of the exhaust passageway may flow out from the interior of the exhaust passageway prior to flowing downward to a lower portion of the exhaust passageway at which the rain is undesirable.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: April 27, 2021
    Assignee: International Truck Intellectual Property Company, LLC
    Inventor: Thomas L. Cumbey
  • EXHAUST SYSTEM FOR VEHICLE
    Publication number: 20200318524
    Abstract: Disclosed is an exhaust system for a vehicle having an exhaust passageway through which products of combustion from the engine pass through and out to atmosphere, which exhaust system has a bead portion formed in the exhaust passageway with one more holes in the lower portion thereof through which at least a portion of the rain which has entered the interior of the exhaust passageway may flow out from the interior of the exhaust passageway prior to flowing downward to a lower portion of the exhaust passageway at which the rain is undesirable.
    Type: Application
    Filed: April 3, 2019
    Publication date: October 8, 2020
    Applicant: International Truck Intellectual Property Company, LLC
    Inventor: Thomas L. Cumbey
  • FLEXIBLE CONDUIT WITH TAPERED MEMBERS
    Publication number: 20160069487
    Abstract: A flexible conduit system having a corrugated flexible conduit, a first tapered member disposed in the flexible conduit at the inlet end or close to the inlet end of the corrugated flexible conduit and a second tapered member disposed in the flexible conduit at the outlet end or close to the outlet end of the corrugated flexible conduit. The first tapered member at the inlet end converges and centers the flow of gases through the flexible conduit and the second tapered member at the outlet end channels the flow of gases away from the corrugations of the corrugated flexible conduit thereby reducing noise in the flexible conduit system.
    Type: Application
    Filed: September 9, 2014
    Publication date: March 10, 2016
    Inventors: Qin Yang, David Aalazar Duarte, Thomas L. Cumbey, Edward M. Derybowski
  • SYSTEM AND METHOD FOR ATTAINING AND MAINTAINING HYDRAULIC PRESSURE FOR LOCKING A VEHICLE'S WHEELS
    Publication number: 20090095587
    Abstract: Hydraulic pressure for wheel lock is kept by trapping suitably pressurized brake fluid between a brake power unit (34) and hydraulic actuators at the brake calipers or shoes at the wheels (22) by a locking mechanism (120) that acts on the brake pedal shaft (128) independently of the brake pedal.
    Type: Application
    Filed: October 15, 2007
    Publication date: April 16, 2009
    Applicant: International Truck Intellectual Property Company, LLC
    Inventors: Richard R. Rowan, Thomas L. Cumbey, Duane R. Avery