Patents by Inventor Ciaran Purcell

Ciaran Purcell 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).

  • Drill bit with detachable bit head
    Patent number: 11236549
    Abstract: A drill bit assembly for fluid-operated percussion drill tools. The assembly comprises a percussion bit comprising a bit head detachably connected to an axially extending shank and engagement means formed on an external wall of the shank engageable with complementary engagement means formed internally of a drive chuck whereby rotational drive from the chuck may be transmitted to the shank. At least one flushing channel extends between the external wall of the bit shank and a cutting face of the bit head, to provide a fluid path for a flushing medium between the external wall of the bit shank and the cutting face of the bit head.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: February 1, 2022
    Assignee: Mincon International Limited
    Inventors: Joseph Purcell, Ciaran Purcell
  • DRILL BIT WITH DETACHABLE BIT HEAD
    Publication number: 20200224502
    Abstract: A drill bit assembly for fluid-operated percussion drill tools. The assembly comprises a percussion bit comprising a bit head detachably connected to an axially extending shank and engagement means formed on an external wall of the shank engageable with complementary engagement means formed internally of a drive chuck whereby rotational drive from the chuck may be transmitted to the shank. At least one flushing channel extends between the external wall of the bit shank and a cutting face of the bit head, to provide a fluid path for a flushing medium between the external wall of the bit shank and the cutting face of the bit head.
    Type: Application
    Filed: July 17, 2018
    Publication date: July 16, 2020
    Applicant: Mincon International Limited
    Inventors: Joseph Purcell, Ciaran Purcell