Patents by Inventor Per Gidlund

Per Gidlund 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).

  • Device for boat propulsion or energy production
    Patent number: 9079648
    Abstract: Propulsion device for boats or device or energy production comprising: a first track a second track; driving wheels each having a peripheral surface comprising a friction device rotatably arranged in at least one frame, wherein the first track is arranged in contact with the friction devices at a first set of driving wheels, the second track is arranged in contact with the friction devices at a second set of driving wheels, such that the tracks move with the same speed as the peripheral surface of the rotatable driving wheels where the track is in contact with the friction devices when the driving wheels rotate; a plurality of shovel rollers each comprising a first and a second end and between the ends a device with an outer periphery, wherein the first ends of the shovel rollers are arranged in the first track and the second ends of the shovel rollers are arranged in the second track such that the shovel rollers move with the tracks in relation to the structure when the driving wheels rotate, wherein the dev
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: July 14, 2015
    Assignee: Cosmomind AB
    Inventor: Per Gidlund
  • DEVICE FOR BOAT PROPULSION OR ENERGY PRODUCTION
    Publication number: 20130203307
    Abstract: Propulsion device for boats or device or energy production comprising: a first track (6a) a second track (6b); driving wheels (3a-d) each having a peripheral surface (4) comprising a friction device (5) rotatably arranged in at least one frame (2), wherein the first track (6a) is arranged in contact with the friction devices (5) at a first set of driving wheels (3a, b), the second track (6b) is arranged in contact with the friction devices (5) at a second set of driving wheels (3c, d), such that the tracks move with the same speed as the peripheral surface of the rotatable driving wheels where the track is in contact with the friction devices when the driving wheels rotate; a plurality of shovel rollers (7a-d) each comprising a first (8a) and a second end (8b) and between the ends a device (9) with an outer periphery, wherein the first ends (8a) of the shovel rollers are arranged in the first track (6a) and the second ends (8b) of the shovel rollers are arranged in the second track (6b) such that the shovel r
    Type: Application
    Filed: October 3, 2011
    Publication date: August 8, 2013
    Applicant: COSMOMIND AB
    Inventor: Per Gidlund