Patents by Inventor David Patrick Rohlin

David Patrick Rohlin 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).

  • Firearm barrel cleaning jag and apparatus using same
    Patent number: 9995555
    Abstract: A firearm barrel cleaning jag is provided that includes a body defined by a longitudinal axis. A spear tip extends from a distal end of the body relative to an attachable end adapted to engage a cleaning rod. Ribs are provided circumferentially disposed around the body adapted to capture the lands of a gun barrel bore into which the jag is inserted. Each of the ribs has a helical notch formed into an outward face of each of the ribs. An annular residue collection channel axially separating each of the ribs. A firearm barrel cleaning apparatus is provided that includes a cleaning rod and a cleaning patch attached to the jag. By reciprocating the jag inside the rifled gun barrel via the attached cleaning rod, the cleaning patch removes residue from the rifled bore.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: June 12, 2018
    Inventors: William Francis Rohlin, David Patrick Rohlin
  • FIREARM BARREL CLEANING JAG AND APPARATUS USING SAME
    Publication number: 20170336166
    Abstract: A firearm barrel cleaning jag is provided that includes a body defined by a longitudinal axis. A spear tip extends from a distal end of the body relative to an attachable end adapted to engage a cleaning rod. Ribs are provided circumferentially disposed around the body adapted to capture the lands of a gun barrel bore into which the jag is inserted. Each of the ribs has a helical notch formed into an outward face of each of the ribs. An annular residue collection channel axially separating each of the ribs. A firearm barrel cleaning apparatus is provided that includes a cleaning rod and a cleaning patch attached to the jag. By reciprocating the jag inside the rifled gun barrel via the attached cleaning rod, the cleaning patch removes residue from the rifled bore.
    Type: Application
    Filed: April 25, 2017
    Publication date: November 23, 2017
    Inventors: William Francis Rohlin, David Patrick Rohlin