Patents by Inventor Mark A. Humrickhouse

Mark A. Humrickhouse 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).

  • Damper guard
    Patent number: 10228038
    Abstract: A damper guard coupled to an external surface of an engine block includes a back cover defining an opening. The damper guard also includes a front cover adapted to couple to the back cover such that an enclosed space is defined between the front and back covers. The damper guard further includes a pressure balancing line coupled at a first portion of the back cover. The pressure balancing line is adapted to vent the enclosed space to an engine crankcase for maintaining the enclosed space at an engine crankcase pressure. The damper guard includes a drain line adapted to allow drainage of a damper oil present in the enclosed space.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: March 12, 2019
    Assignee: Caterpillar Inc.
    Inventors: Nicholas Shearer, Mark A. Humrickhouse
  • DAMPER GUARD
    Publication number: 20180335101
    Abstract: A damper guard coupled to an external surface of an engine block includes a back cover defining an opening. The damper guard also includes a front cover adapted to couple to the back cover such that an enclosed space is defined between the front and back covers. The damper guard further includes a pressure balancing line coupled at a first portion of the back cover. The pressure balancing line is adapted to vent the enclosed space to an engine crankcase for maintaining the enclosed space at an engine crankcase pressure. The damper guard includes a drain line adapted to allow drainage of a damper oil present in the enclosed space.
    Type: Application
    Filed: May 16, 2017
    Publication date: November 22, 2018
    Applicant: Caterpillar Inc.
    Inventors: Nicholas Shearer, Mark A. Humrickhouse