Patents by Inventor Reijo Silvola

Reijo Silvola 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).

  • Elevator
    Patent number: 5036954
    Abstract: To increase the transportation capacity in relation to shaft volume, of an elevator comprising an elevator shaft with guide rails on which the elevator car and its counterweight move, the ropes on which the car and counterweight are suspended, and a traction sheave, whose motion is transmitted to the car and counterweight by the ropes, the rail length provided for the travel of the counterweight is shorter than the rail length provided for the travel of the elevator car.
    Type: Grant
    Filed: October 4, 1989
    Date of Patent: August 6, 1991
    Assignee: KONE Elevator GmbH
    Inventors: Kari Haahtikivi, Reijo Silvola