Patents by Inventor Mohammad S. Achtari

Mohammad S. Achtari 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).

  • Patent number: 7424997
    Abstract: A device (1) that compensates the weight of a suspended load, for example a tool or welding tongs, is provided as a spring tensioner with at least one barrel (4) or supporting wire that can be reeled off a barrel (3) against the force of a spring (2). The barrel (3) is supported on a shaft (6), to which the spring (2) engages directly with its interior end or via a sheath connected to the shaft (6), while the opposite exterior end of the spring (2) is mounted to the barrel (3) at the inside. A shaft drive (7) can be activated to change the pull force at the spring (2) via the shaft (6). The spring (2) is connected to the shaft drive (7) or to a drive wheel (8) allocated thereto via a freewheel.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: September 16, 2008
    Assignee: Carl Stahl Kromer GmbH
    Inventors: Mohammad S. Achtari, Thomas Steinle
  • Publication number: 20080135819
    Abstract: A device (1) that compensates the weight of a suspended load, for example a tool or welding tongs, is provided as a spring tensioner with at least one barrel (4) or supporting wire that can be reeled off a barrel (3) against the force of a spring (2). The barrel (3) is supported on a shaft (6), to which the spring (2) engages directly with its interior end or via a sheath connected to the shaft (6), while the opposite exterior end of the spring (2) is mounted to the barrel (3) at the inside. A shaft drive (7) can be activated to change the pull force at the spring (2) via the shaft (6). The spring (2) is connected to the shaft drive (7) or to a drive wheel (8) allocated thereto via a freewheel.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 12, 2008
    Applicant: CARL STAHL KROMER GMBH
    Inventors: Mohammad S. Achtari, Thomas Steinle