Patents by Inventor Jeffrey J. Hatman

Jeffrey J. Hatman 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).

  • Patent number: 4426999
    Abstract: A high performance, lightweight solar collector is disclosed. The collector consists of an upper glazing, a central fluid panel and a lower layer of insulating material. A fluid manifold is joined to each end of the panel and directs a fluid into and out of the panel. The glazing, panel and insulating layer are joined together and held in position by an attaching assembly and rail members.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: January 24, 1984
    Assignee: Ramada Energy Systems, Inc.
    Inventors: Joseph H. Evans, Jeffrey J. Hatman, William E. Clark