Patents by Inventor Marc Shea

Marc Shea 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).

  • Fastener-driving tool with multiple combustion chambers and usable with fuel canisters of varying lengths
    Patent number: 11911886
    Abstract: Various embodiments of the present disclosure provide a combustion-powered fastener-driving tool including multiple combustion chambers and/or usable with fuel canisters of varying lengths.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: February 27, 2024
    Assignee: Illinois Tool Works Inc.
    Inventors: Marc Largo, Maureen Shea, Charles Zhao
  • Composite railroad crosstie
    Patent number: 6179215
    Abstract: A railroad crosstie includes an outer casing made of a 50—50 mixture by volume of recycled high density polyethylene and crumb rubber from recycled tires. The outer casing includes an upper section and a lower section, which cooperate to define a cavity in which a beam or beams are installed. Each of the beams include an aperture below the rail supporting areas of the crosstie and an insert of the same composite material of which the outer casing is made is installed within the beams below the rail support areas. A flowable concrete mixture fills the cavity defined within the outer casing including the cavities defined within the beams.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: January 30, 2001
    Assignee: Primix International, LLC
    Inventor: Marc Shea