Patents by Inventor Leif Vikman

Leif Vikman 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).

  • Method of braking an electrically driven vehicle
    Patent number: 6505715
    Abstract: Method of braking a vehicle driven by an electric motors in particular a industrial truck, where the rotational speed of the motor is reduced according to a predetermined deceleration characteristic (a-d) when baking is activated. Preferably the deceleration characteristic is chosen in dependency of the length of depression of a brake pedal.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: January 14, 2003
    Assignee: BT Industries AB
    Inventors: Leif Vikman, Göran Valfridsson
  • METHOD OF BRAKING AN ELECTRICALLY DRIVEN VEHICLE
    Publication number: 20010003401
    Abstract: Method of braking a vehicle driven by an electric motor, in particular industrial truck, where the rotational speed of the motor is reduced according to a predetermined deceleration characteristic (a-d) when braking is activated. Preferably the deceleration characteristic is chosen in dependency of the length of depression of a brake pedal.
    Type: Application
    Filed: October 7, 1998
    Publication date: June 14, 2001
    Applicant: HAYES SOLOWAY HENNESSEY GROSSMAN & HAGE
    Inventors: LEIF VIKMAN, GORAN VALFRIDSSON