Patents by Inventor Gary D. Greenlees

Gary D. Greenlees 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).

  • Patent number: 10202938
    Abstract: A small air-cooled internal combustion engine includes an aluminum cylinder block at least partially defining an aluminum cylinder bore, an aluminum cylinder head attached to the aluminum cylinder block, and an aluminum push rod tube separate from and press fit between the aluminum cylinder block and the aluminum cylinder head. The aluminum push rod tube includes a cylinder block end portion, a cylinder head end portion, and a main body extending between the cylinder block end portion and the cylinder head end portion.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: February 12, 2019
    Assignee: Briggs & Stratton Corporation
    Inventors: Mike L. Carlson, Gary D. Greenlees, Claude Hoerig, Gary Johnson, Brian Paul, Matt Martinek, Jerry Schenkel, John Schneiker, Ryan Sullivan
  • Patent number: 9863363
    Abstract: A small air-cooled internal combustion engine includes an aluminum cylinder block and an aluminum cylinder head welded to the aluminum cylinder block.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: January 9, 2018
    Assignee: Briggs & Stratton Corporation
    Inventors: Jerry Schenkel, Gary D. Greenlees, Claude Hoerig, Mike L. Carlson
  • Patent number: 9856822
    Abstract: A small air-cooled internal combustion engine includes an aluminum cylinder block, an aluminum cylinder head welded to the aluminum cylinder block, and a weld securing the aluminum cylinder block to the aluminum cylinder head, wherein a joint having a first length is formed between the aluminum cylinder block and the aluminum cylinder head and wherein the weld extends for a second length that is at least 25% of the first length.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: January 2, 2018
    Assignee: Briggs & Stratton Corporation
    Inventors: Jerry Schenkel, Gary D. Greenlees, Claude Hoerig, Mike L. Carlson
  • Publication number: 20170145953
    Abstract: A small air-cooled internal combustion engine includes an aluminum cylinder block, an aluminum cylinder head welded to the aluminum cylinder block, and a weld securing the aluminum cylinder block to the aluminum cylinder head, wherein a joint having a first length is formed between the aluminum cylinder block and the aluminum cylinder head and wherein the weld extends for a second length that is at least 25% of the first length.
    Type: Application
    Filed: February 7, 2017
    Publication date: May 25, 2017
    Applicant: Briggs & Stratton Corporation
    Inventors: Jerry Schenkel, Gary D. Greenlees, Claude Hoerig, Mike L. Carlson
  • Patent number: 9581106
    Abstract: A small air-cooled internal combustion engine includes an aluminum cylinder block, an aluminum cylinder head welded to the aluminum cylinder block, and a weld securing the aluminum cylinder block to the aluminum cylinder head, wherein a joint having a first length is formed between the aluminum cylinder block and the aluminum cylinder head and wherein the weld extends for a second length that is at least 25% of the first length.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: February 28, 2017
    Assignee: Briggs & Stratton Corporation
    Inventors: Jerry Schenkel, Gary D. Greenlees, Claude Hoerig, Mike L. Carlson
  • Publication number: 20160369741
    Abstract: A small air-cooled internal combustion engine includes an aluminum cylinder block at least partially defining an aluminum cylinder bore, an aluminum cylinder head attached to the aluminum cylinder block, and an aluminum push rod tube separate from and press fit between the aluminum cylinder block and the aluminum cylinder head. The aluminum push rod tube includes a cylinder block end portion, a cylinder head end portion, and a main body extending between the cylinder block end portion and the cylinder head end portion.
    Type: Application
    Filed: September 1, 2016
    Publication date: December 22, 2016
    Applicant: Briggs & Stratton Corporation
    Inventors: Mike L. Carlson, Gary D. Greenlees, Claude Hoerig, Gary Johnson, Brian Paul, Matt Martinek, Jerry Schenkel, John Schneiker, Ryan Sullivan
  • Publication number: 20150096523
    Abstract: A small air-cooled internal combustion engine includes an aluminum cylinder block, an aluminum cylinder head welded to the aluminum cylinder block, and a weld securing the aluminum cylinder block to the aluminum cylinder head, wherein a joint having a first length is formed between the aluminum cylinder block and the aluminum cylinder head and wherein the weld extends for a second length that is at least 25% of the first length.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 9, 2015
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventors: Jerry Schenkel, Gary D. Greenlees, Claude Hoerig, Mike L. Carlson
  • Publication number: 20150013634
    Abstract: A small air-cooled internal combustion engine includes an aluminum cylinder block and an aluminum cylinder head welded to the aluminum cylinder block.
    Type: Application
    Filed: July 8, 2014
    Publication date: January 15, 2015
    Inventors: Jerry Schenkel, Gary D. Greenlees, Claude Hoerig, Mike L. Carlson
  • Publication number: 20030079708
    Abstract: A cast cylinder head for an internal combustion engine. The cylinder head includes a first surface, a rear surface, and an intake passageway. The first surface is adapted to be connected to a cylinder housing, and the rear surface extends from the first surface. The intake passageway is in the cylinder head and extends from an inlet on the rear surface toward an outlet on the first surface. The intake passageway includes a straight portion that extends from the rear surface and that includes an axis. The included angle between the axis and the first surface is approximately thirty-five to forty-five degrees.
    Type: Application
    Filed: October 10, 2002
    Publication date: May 1, 2003
    Inventors: Patrick J. Bruener, Norbert M. Vogl, Gary D. Greenlees, Franz Laimboeck