Patents by Inventor Mikael ?mark

Mikael ?mark 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).

  • Patent number: 8607477
    Abstract: Various embodiments provide a spike device for a sole of an anti-slid shoe. The device comprises at least a spike and a resilient member comprising an elastic diaphragm hving an inner portion and an outer portion. A spike unit comprising the spike is arranged in an opening in the inner portion of the elastic diaphragm such that the spike protrudes in an axial direction from the elastic diaphragm. The spike unit is movable in an axial direction and fixed in relation to the opening so as to allow the spike unit to move together with the inner portion of the elastic diaphragm. The spike device further comprises a guiding and supporting means for guiding the axial movement of the spike unit when the inner poriton moves in relation to the outer portion. A shoe comprising the spike device is also provided, having respective lower and upper sole members.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: December 17, 2013
    Assignee: Grip Force Technologies AB
    Inventor: Mikael Åmark
  • Patent number: 7926205
    Abstract: The invention concerns a sole arrangement and a shoe comprising such a sole arrangement. The sole arrangement is characterized in that it comprises an upper sole member and a lower sole member wherein the lower sole member is positioned closer to the ground during normal use of the sole arrangement, said lower sole member being movably attached to the upper sole member allowing the lower sole member to move in a vertical direction relative to the upper sole member, a plurality of vertically extending spikes arranged inside the sole arrangement such that the spikes are moveable relative to the lower sole member, said lower sole member having a plurality of holes adapted to receive the spikes as to allow the spikes to protrude from the lower sole member in a downward direction, and a locking sole member located between the upper and lower sole members.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: April 19, 2011
    Assignee: Grip Force Technologies AB
    Inventor: Mikael Åmark