Patents by Inventor Leif B. Sonesson

Leif B. Sonesson 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).

  • Lifting appliance, especially for a patient lifting device
    Patent number: 5348273
    Abstract: A lifting appliance, especially for a patient lifting device, comprises a telescopic column (10) having a carriage (22) which is reciprocable in the longitudinal direction of the column under the action of the telescopic extension and retraction motions of the column. The appliance comprises safety means (37) which are adapted to stop the telescopic motions of the column, in case of defects in the power transmission between a driving motor (15) producing the telescopic motions of the column, and the carriage (22), or if the carriage (22) or a lifting means connected therewith should be stopped by some object in its downward motion.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: September 20, 1994
    Assignee: Arjo Hospital Equipment AB
    Inventors: Anders L. Sandell, Leif B. Sonesson, Bo G. Persson
  • Lifting appliance for lifting disabled, sick or injured persons
    Patent number: D327762
    Type: Grant
    Filed: April 13, 1990
    Date of Patent: July 7, 1992
    Assignee: Arjo Hospital Equipment AB
    Inventors: Jonnie Silbersky, Leif B. Sonesson
  • Lifting appliance for disabled, sick or injured persons
    Patent number: D327763
    Type: Grant
    Filed: April 13, 1990
    Date of Patent: July 7, 1992
    Assignee: Arjo Hospital Equipment AB
    Inventors: Jonnie Silbersky, Leif B. Sonesson
  • Column for a lifting appliance
    Patent number: D329112
    Type: Grant
    Filed: April 13, 1990
    Date of Patent: September 1, 1992
    Assignee: Arjo Hospital Equipment AB
    Inventors: Jonnie Silbersky, Leif B. Sonesson
  • Column for a lifting appliance
    Patent number: D346260
    Type: Grant
    Filed: June 11, 1992
    Date of Patent: April 19, 1994
    Assignee: Arjo Hospital Equipment AB
    Inventors: Jonnie Silbersky, Leif B. Sonesson