Patents by Inventor Robert Ivertsson

Robert Ivertsson 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).

  • Arrangement for feeding at least a part of a drilling machine, drilling system and method for feeding at least a part of a drilling machine
    Patent number: 10538972
    Abstract: An arrangement for feeding at least a part of a drilling machine in at least a first direction. A drilling system and a method are provided. The arrangement includes a first end portion, a second end portion, an outer cylinder, a piston and a piston rod. The piston and the piston rod are displaceably arranged in the outer cylinder such that the piston and the piston rod, the outer cylinder and the end portions delimits a first chamber and a second chamber for a pressure medium in the outer cylinder on a respective side of the piston. A valve is connected to the first chamber for reducing the pressure medium in the first chamber. The valve is arranged to be opened at an increased pressure in the second chamber.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: January 21, 2020
    Assignee: CONSTRUCTION TOOLS PC AB
    Inventors: Magnus Karlsson, Anders Lundgren, Robert Ivertsson
  • ARRANGEMENT FOR FEEDING AT LEAST A PART OF A DRILING MACHINE, DRILLING SYSTEM AND METHOD FOR FEEDING AT LEAST A PART OF A DRILLING MACHINE
    Publication number: 20160265286
    Abstract: An arrangement for feeding at least a part of a drilling machine in at least a first direction. A drilling system and a method are provided. The arrangement includes a first end portion, a second end portion, an outer cylinder, a piston and a piston rod. The piston and the piston rod are displaceably arranged in the outer cylinder such that the piston and the piston rod, the outer cylinder and the end portions delimits a first chamber and a second chamber for a pressure medium in the outer cylinder on a respective side of the piston. A valve is connected to the first chamber for reducing the pressure medium in the first chamber. The valve is arranged to be opened at an increased pressure in the second chamber.
    Type: Application
    Filed: October 30, 2014
    Publication date: September 15, 2016
    Inventors: Magnus Karlsson, Anders Lundgren, Robert Ivertsson