Patents by Inventor Stein Lovoll

Stein Lovoll 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).

  • Conveyor arrangement for rolling transport devices
    Patent number: 5566621
    Abstract: An inclined elevator compreses a traveling chain, rope or cable with one or more push devices fixed to it at intervals.The elevator is intended for bicyclists or similar manned vehicles and is designed for installation in inclined streets, pedes-trian tracks or in separate tracks specially designed for the purpose.The elevator chain, cable or rope is running in a conduit with a slot for extension of the push device. The conduit is permanently installed on the ground. The push device is either running hidden inside the conduit on the ground, or, when in use, running on top of the conduit.During operation the bicyclist is sitting on the bicycle, and the bicycle is rolled, pushed and guided on its own wheels.The push device of the elevator can easily be adapted to wheelchairs, wheel wagons or similar vehicle.
    Type: Grant
    Filed: January 6, 1995
    Date of Patent: October 22, 1996
    Inventors: Jarle Wanvik, Stein Lovoll