Patents by Inventor Herbert Lehman Williams

Herbert Lehman Williams 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).

  • Hydroelectric turbine
    Patent number: 6957947
    Abstract: A hydroelectric turbine anchored in a body of water which produces electricity directly from its housing. The turbine is in and of itself a generator whose housing is its stator and whose blade it its rotor.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: October 25, 2005
    Inventor: Herbert Lehman Williams
  • Hydroelectric turbine for producing electricity from a water current
    Patent number: 6648589
    Abstract: The invention takes energy from the periphery of a hydro electric turbine blade to produce electricity by mechanically driving a plurality of generators without the use of a hydraulic system.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: November 18, 2003
    Inventor: Herbert Lehman Williams
  • Hydroelectric turbine for producing electricity from a water current
    Publication number: 20020034437
    Abstract: The invention takes energy from the periphery of a hydro electric turbine blade to produce electricity by mechanically driving a plurality of generators without the use of a hydraulic system.
    Type: Application
    Filed: September 20, 2001
    Publication date: March 21, 2002
    Inventor: Herbert Lehman Williams