Patents by Inventor Geoffery D. Ziegahn

Geoffery D. Ziegahn 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).

  • Tuned induction system for a motorcycle
    Patent number: 6691661
    Abstract: An tuned induction system for use on a motorcycle having a V-twin engine. The tuned induction system having separate and individual first and second manifold bodies. Each of the separate intake manifold bodies having a flange that couples the individual manifold body to a cylinder head of the V-twin engine. The flange having a continuous radius that maximizes airflow velocity to enhance engine performance.
    Type: Grant
    Filed: June 17, 2002
    Date of Patent: February 17, 2004
    Assignee: S & S Cycle, Inc.
    Inventors: James Michael Lundgreen, Jeffery John Bailey, Brian C. Hanold, Nathan Lawrence Oium, Brian W. Perkins, Jason Harold Perkins, Scott A. Sjovall, Eric Orvis Wangen, Geoffery D. Ziegahn
  • Tuned induction system for a motorcycle
    Publication number: 20030140882
    Abstract: An tuned induction system for use on a motorcycle having a V-twin engine. The tuned induction system having separate and individual first and second manifold bodies. Each of the separate intake manifold bodies having a flange that couples the individual manifold body to a cylinder head of the V-twin engine. The flange having a continuous radius that maximizes airflow velocity to enhance engine performance.
    Type: Application
    Filed: June 17, 2002
    Publication date: July 31, 2003
    Applicant: S&S Cycle, Inc.
    Inventors: James Michael Lundgreen, Jeffery John Bailey, Brian C. Hanold, Nathan Lawrence Oium, Brian W. Perkins, Jason Harold Perkins, Scott A. Sjovall, Eric Orvis Wangen, Geoffery D. Ziegahn
  • Tuned induction manifold runners
    Patent number: D475720
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: June 10, 2003
    Assignee: S&S Cycle, Inc.
    Inventors: James Michael Lundgreen, Jeffery John Bailey, Brian C. Hanold, Nathan Lawrence Oium, Brian W. Perkins, Jason Harold Perkins, Scott A. Sjovall, Eric Orvis Wangen, Geoffery D. Ziegahn