Patents by Inventor Wolfgang Saxler

Wolfgang Saxler 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: 6532917
    Abstract: A method of controlling operation a portable, internal combustion engined power tool including a combustion chamber (1), at least one suction/discharge valve (34)associated with the combustion chamber (1), and an operational piston (8) the method including inquiring a displacement position of the operational piston (8) of the power tool when it is being displaced to its initial position after having performed an operational stroke upon ignition of a fuel gas mixture filling the combustion chamber, and releasing the at least one suction/discharge valve (34) upon the piston (8) reaching its initial position; and a power tool which is controlled by the method.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: March 18, 2003
    Assignee: Hilti Aktiengesellschaft
    Inventors: Joachim Thieleke, Wolfgang Saxler
  • Publication number: 20020062796
    Abstract: A method of controlling operation a portable, internal combustion engined power tool including a combustion chamber (1), at least one suction/discharge valve (34) associated with the combustion chamber (1), and an operational piston (8) the method including inquiring a displacement position of the operational piston (8) of the power tool when it is being displaced to its initial position after having performed an operational stroke upon ignition of a fuel gas mixture filling the combustion chamber, and releasing the at least one suction/discharge valve (34) upon the piston (8) reaching its initial position; and a power tool which is controlled by the method.
    Type: Application
    Filed: July 3, 2001
    Publication date: May 30, 2002
    Inventors: Joachim Thieleke, Wolfgang Saxler
  • Patent number: 6378288
    Abstract: A combustion-engined tool including two opposite combustion chamber walls (14,18), and an ignition device (52) arranged between the two opposite combustion chamber walls for igniting a fuel gas mixture occupying space between the two walls, and an element located between the ignition device (52) and openings (38) formed in one of the two walls (18) for localized swirling a laminary expanding flame front formed upon ignition of the fuel gas mixture with the ignition device (52).
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: April 30, 2002
    Assignee: Hilti Aktiengesellschaft
    Inventors: Kaveh Towfighi, Harald Fielitz, Wolfgang Saxler