Patents by Inventor Ishan Roth

Ishan Roth 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).

  • PROCESS FOR PREPARING ROTORS OR STATORS OF A TURBOMOLECULAR PUMP
    Publication number: 20100199495
    Abstract: The invention relates to a process for preparing rotors or stators of a turbomolecular pump with rotor blades made of a specific aluminum alloy.
    Type: Application
    Filed: April 27, 2007
    Publication date: August 12, 2010
    Applicant: OERLIKON LEYBOLD VACUUM GMBH
    Inventors: Rainer Holzer, Michael Froitzheim, Lars Etschenberg, Ishan Roth
  • ROTORS OR STATORS OF A TURBOMOLECULAR PUMP
    Publication number: 20090180890
    Abstract: The invention relates to rotors or stators of a turbomolecular pump with rotor blades made of a specific aluminum alloy.
    Type: Application
    Filed: April 27, 2007
    Publication date: July 16, 2009
    Applicant: OERLIKON LEYBOLD VACUUM GMBH
    Inventors: Rainer Hölzer, Michael Froitzheim, Lars Etschenberg, Ishan Roth, Gernot Fischer, Dieter Sauer, Gregor Terlinde