Patents by Inventor Fred Ewer

Fred Ewer 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).

  • Vacuum actuated wheel hub
    Publication number: 20050247536
    Abstract: An interlock mechanism is provided for a wheel end disconnect device. The interlock mechanism is activated by negative pressure for engaging and disengaging a wheel hub from an axle shaft. Vacuum pressure is routed through a wheel bearing for activating the interlock mechanism.
    Type: Application
    Filed: May 7, 2004
    Publication date: November 10, 2005
    Inventors: Erik Roe, Bryan Averill, Fred Ewer
  • Vehicle powertrain with bi-directional overrunning clutch
    Publication number: 20050211526
    Abstract: A bi-directional overrunning clutch and viscous transmission unit are combined in order to provide an on-demand four wheel drive system with having an improved construction.
    Type: Application
    Filed: March 18, 2005
    Publication date: September 29, 2005
    Inventors: Bryan Averill, Mark Fogelberg, Fred Ewer
  • Vacuum locking hub cartridge for four wheel drive vehicle
    Publication number: 20050133290
    Abstract: A vacuum locking hub system is provided for a four-wheel drive vehicle that includes a cartridge-type assembly that allows the vacuum locking hub system to be inserted into the wheel as a cartridge unit for ease of assembly. The vacuum locking hub system has a compact construction allowing it to be substantially received within the wheel hub, thus reducing system mass and unit length.
    Type: Application
    Filed: December 22, 2003
    Publication date: June 23, 2005
    Inventor: Fred Ewer