Patents by Inventor Hans Ryser

Hans Ryser 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).

  • Portable test lever for testing a tractive capacity and/or an acceleration behavior of a cable-operated lift
    Patent number: 7677111
    Abstract: A portable test lever including a load arm and a force arm for efficient examination of the tractive capacity and/or an acceleration capacity of a lift. The test lever includes an integrated measuring value sensor, at least one cable receptacle arranged on the load arm and at a distance from the force arm, and a support. A method used to measure the tractive capacity of a lift cable and/or the acceleration capacity of a lift.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: March 16, 2010
    Assignee: TÜV Rheinland Industrie Services GmbH
    Inventors: Hans Ryser, Martin Fiedler
  • Force-reduced measuring method for traction drives, particularly friction pulley drives for elevators
    Patent number: 7673522
    Abstract: The invention relates to a test lever system (1) for monitoring the traction behavior of a transport system (2), particularly an elevator system, comprising a test lever (8) which consists of a load arm (14) and a force arm (13). A discharge in the form of a monitoring force is introduced by means of the test lever (8), via a carrier cable securing device, into a cable which is to be tested.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: March 9, 2010
    Assignee: TUV Rheinland Industrie Service GmbH
    Inventors: Hans Ryser, Martin Fiedler
  • Force-Reduced Measuring Method for Traction Drives, Particularly Friction Pulley Drives for Elevators
    Publication number: 20080271547
    Abstract: The invention relates to a test lever system (1) for monitoring the traction behavior of a transport system (2), particularly an elevator system, comprising a test lever (8) which consists of a load arm (14) and a force arm (13). A discharge in the form of a monitoring force is introduced by means of the test lever (8), via a carrier cable securing device, into a cable which is to be tested.
    Type: Application
    Filed: June 14, 2005
    Publication date: November 6, 2008
    Inventors: Hans Ryser, Martin Fiedler
  • Test lever
    Publication number: 20070012824
    Abstract: A portable test lever including a load arm and a force arm for efficient examination of the tractive capacity and/or an acceleration capacity of a lift. The test lever includes an integrated measuring value sensor, at least one cable receptacle arranged on the load arm and at a distance from the force arm, and a support. A method used to measure the tractive capacity of a lift cable and/or the acceleration capacity of a lift.
    Type: Application
    Filed: May 14, 2004
    Publication date: January 18, 2007
    Applicant: TUV RHEINLAND INDUSTRIE SERVICE GMBH
    Inventors: Hans Ryser, Martin Fiedler