Patents by Inventor Seth Daniel Colvin

Seth Daniel Colvin 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).

  • Rotatable cutting tool with head portion having elongated projections
    Patent number: 9458607
    Abstract: A rotatable cutting tool for use in impinging earth strata wherein the rotatable cutting tool comprises a cutting tool body and a hard tip affixed to the cutting tool body. The cutting tool body includes an axial forward end for receiving the hard tip and an axial rearward end, a head portion axially rearward of the axial forward end, a collar portion axially rearward of the head portion, and a shank portion axially rearward of the collar portion and axially forward of the axial rearward end. The head portion includes a plurality of elongated projections extending radially thereabout, each of the elongated projections including a first tapered side and a second tapered side. The first tapered side of each of the elongated projections adjoins the second tapered side of an adjacent elongated projection at a surface of the head portion.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: October 4, 2016
    Assignee: KENNAMETAL INC.
    Inventors: Chad Allen Swope, Seth Daniel Colvin
  • Cutting insert for a roof drill bit
    Patent number: 8807248
    Abstract: A hard cutting insert for use with a roof drill bit includes a first webbed notch and a second webbed notch structured and arranged on the hard insert for removing or evacuating drilling debris from an upper surface of the hard insert during a drilling operation. A roof drill bit including a hard cutting insert having a first webbed notch and a second webbed notch structured and arranged on the hard insert.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: August 19, 2014
    Assignee: Kennametal Inc.
    Inventors: Douglas Edward Bise, Seth Daniel Colvin, Chad Allen Swope
  • Cutting Insert For A Roof Drill Bit
    Publication number: 20120241223
    Abstract: A hard cutting insert for use with a roof drill bit includes a first webbed notch and a second webbed notch structured and arranged on the hard insert for removing or evacuating drilling debris from an upper surface of the hard insert during a drilling operation. A roof drill bit incorporating the hard cutting insert is also provided.
    Type: Application
    Filed: March 23, 2011
    Publication date: September 27, 2012
    Applicant: KENNAMETAL INC.
    Inventors: Douglas Edward Bise, Seth Daniel Colvin, Chad Allen Swope
  • Rotatable Cutting Tool With Head Portion Having Elongated Projections
    Publication number: 20110241409
    Abstract: A rotatable cutting tool for use in impinging earth strata wherein the rotatable cutting tool comprises a cutting tool body and a hard tip affixed to the cutting tool body. The cutting tool body includes an axial forward end for receiving the hard tip and an axial rearward end, a head portion axially rearward of the axial forward end, a collar portion axially rearward of the head portion, and a shank portion axially rearward of the collar portion and axially forward of the axial rearward end. The head portion includes a plurality of elongated projections extending radially thereabout, each of the elongated projections including a first tapered side and a second tapered side. The first tapered side of each of the elongated projections adjoins the second tapered side of an adjacent elongated projection at a surface of the head portion.
    Type: Application
    Filed: April 6, 2010
    Publication date: October 6, 2011
    Applicant: Kennametal Inc.
    Inventors: Chad Allen Swope, Seth Daniel Colvin