Patents by Inventor E. Robert Meyer

E. Robert Meyer 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).

  • Hazardous location light fixture
    Patent number: 4388681
    Abstract: An explosion-resistant fixture is provided comprising a ballast compartment and lamp compartment. The ballast compartment contains the usual electrical components for the fixture and all voids within the compartment are filled with a non-flammable material thereby preventing explosive gases or volatile liquids from entering the compartment. The filling material is preferably an expanded closed cell foam material.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: June 14, 1983
    Assignee: Keene Corporation
    Inventor: E. Robert Meyer