Patents by Inventor Lennart HEGG

Lennart HEGG 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).

  • Pocket mattress comprising openings in the casing material
    Patent number: 10973340
    Abstract: A spring mattress is disclosed, comprising a plurality of interconnected coil springs enclosed in casings, thereby forming a pocket spring mattress. For at least one of the springs, the casing portions arranged at the ends of the spring being moved towards each other, through the spring, and interconnected with the aid of connecting means, such as a weld. Further, the casing portions at the ends of the spring comprise an opening through the spring. Hereby, the casing forms a toroid or doughnut shape enclosing the spring.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: April 13, 2021
    Assignee: Starsprings AB
    Inventor: Lennart Hegg
  • POCKET MATTRESS COMPRISING OPENINGS IN THE CASING MATERIAL
    Publication number: 20190142179
    Abstract: A spring mattress is disclosed, comprising a plurality of interconnected coil springs enclosed in casings, thereby forming a pocket spring mattress. For at least one of the springs, the casing portions arranged at the ends of the spring being moved towards each other, through the spring, and interconnected with the aid of connecting means, such as a weld. Further, the casing portions at the ends of the spring comprise an opening through the spring. Hereby, the casing forms a toroid or doughnut shape enclosing the spring.
    Type: Application
    Filed: November 15, 2017
    Publication date: May 16, 2019
    Applicant: Starsprings AB
    Inventor: Lennart HEGG