Patents by Inventor James L. Hansen

James L. Hansen 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).

  • Aeration fan mounting system
    Patent number: 4441403
    Abstract: An aeration fan mounting system having a wall adapter and a fan housing with aligned interior surfaces and held in end-to-end alignment with each other by support bracket assemblies having insertion rings extending outwardly from both the wall adapter and fan housing and also having brackets for holding the insertion rings adjacent each other.
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: April 10, 1984
    Inventor: James L. Hansen
  • Aeration fan mounting system
    Patent number: 4421013
    Abstract: An aeration fan mounting system having a wall adapter and a fan housing with aligned interior surfaces and held in end-to-end alignment with each other by support bracket assemblies having insertion rings extending outwardly from both the wall adapter and fan housing and also having brackets for holding the insertion rings adjacent each other.
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: December 20, 1983
    Inventor: James L. Hansen