Patents by Inventor John E. Eckland

John E. Eckland 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).

  • Wind turbine blade attachment methods
    Patent number: 4915590
    Abstract: A rotor blade for a horizontal axis wind turbine wherein a multiplicity of sucker rods are utilized internally of the blade root for securing the blade to the rotating hub of the turbine including the method of attaching the blade root to the hub and the method of making the blade root.
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: April 10, 1990
    Assignee: Fayette Manufacturing Corporation
    Inventors: John E. Eckland, James V. Frerotte
  • Solar canal
    Patent number: 4326498
    Abstract: This invention relates generally to a device for the collection of solar energy and the production and storage of heat for industrial processes, space heating, cooling and other processes where heat of up to approximately 100.degree. C. is required. A solar canal to collect and store solar energy comprising a covered solar pond which provides an essentially airtight environment for the fluid of the solar pond is disclosed. A nonconvecting solar pond, particularly a saline gradient pond, is preferred.
    Type: Grant
    Filed: November 5, 1980
    Date of Patent: April 27, 1982
    Inventor: John E. Eckland