Patents by Inventor Ola FREDIN

Ola FREDIN 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).

  • APPARATUS FOR ROCK HANDLING, ROCK DRILLING UNIT AND METHOD
    Publication number: 20210115737
    Abstract: An apparatus for handling drilling rods, a rock drilling unit and a method of handling drilling rods is provided. The apparatus includes a rod feeder and a swing device, which cooperate and move drilling rods between a pick-up position and a drilling center defined by a rock drilling machine of the drilling unit. The rod feeder and the swing device are separate devices, which are independently controllable.
    Type: Application
    Filed: January 24, 2019
    Publication date: April 22, 2021
    Inventors: Juha TOIVOLA, Johan JELGERT, Ilkka LAHDELMA, Stefan BENGTSSON, SR., Ola FREDIN
  • Drill rod gripping apparatus
    Patent number: 9745806
    Abstract: A drill rod gripping apparatus to grip and impart rotational motion to a drill rod including a sled axially mounted at a frame and having first and second jaws moveably mounted at the sled to allow a substantially linear lateral movement across the sled to and from one another. A plurality of rod engagers are mounted at each jaw with at least one of the engagers including an abrasive surface formed from a coating to increase the frictional force between the drill rod and the gripping apparatus.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: August 29, 2017
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Johan Jelgert, Lars-Erik Larsson, Krister B Eriksson, Ola Fredin
  • DRILL ROD GRIPPING APPARATUS
    Publication number: 20160115750
    Abstract: A drill rod gripping apparatus to grip and impart rotational motion to a drill rod including a sled axially mounted at a frame and having first and second jaws moveably mounted at the sled to allow a substantially linear lateral movement across the sled to and from one another. A plurality of rod engagers are mounted at each jaw with at least one of the engagers including an abrasive surface formed from a coating to increase the frictional force between the drill rod and the gripping apparatus.
    Type: Application
    Filed: April 9, 2014
    Publication date: April 28, 2016
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Johan JELGERT, Lars-Erik LARSSON, Krister B ERIKSSON, Ola FREDIN