Patents by Inventor Stephan Lerch

Stephan Lerch 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).

  • Injection molded axis or roller body made by an injection molded thermoplastic materials
    Patent number: 6729466
    Abstract: A roller body having a shaft formed from a first thermoplastic material and defining at least one roller. The shaft is a single component injection-molded shaft. A casing at least partially encases the roller and is formed from a second thermoplastic material different from the first thermoplastic material. The casing is bonded to the roller by an injection-molding process.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: May 4, 2004
    Assignee: Sarnatech BNL Ltd.
    Inventors: Stephan Lerch, Thomas Rutishauser
  • Injection molded axis or roller body made by an injection molded thermoplastic materials
    Publication number: 20020132713
    Abstract: The inventive axis or roller body on the basis of at least one first thermoplastic material which is processable in an injection molding process, which incorporates the respective desired qualities, whereby this axis or this roller body
    Type: Application
    Filed: May 10, 2002
    Publication date: September 19, 2002
    Inventors: Stephan Lerch, Thomas Rutishauser
  • Injection molded axis or roller body made by injection molded thermoplastic materials
    Patent number: 6044963
    Abstract: A roller body having a shaft formed from a first thermoplastic material and defining at least one roller. The shaft is a single component injection-molded shaft. A casing at least partially encases the roller and is formed from a second thermoplastic material different from the first thermoplastic material. The casing is bonded to the roller by an injection-molding process.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: April 4, 2000
    Assignee: Sarnatech Spritzguss AG
    Inventors: Stephan Lerch, Thomas Rutishauser