Patents by Inventor Dale Eugene Welty

Dale Eugene Welty 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).

  • Luminaire and luminaire reflector for use in an off-the roadway lighting arrangement
    Patent number: 4085318
    Abstract: An arrangement for lighting a given straight section of a roadway having spaced-apart parallel curbs is disclosed herein and includes a luminaire positioned a substantial distance to one side of and above the roadway curbs. The luminaire includes a reflector, light source and a refractor which cooperate to effectively and efficiently light the given roadway section while, at the same time, minimizing the amount of light which spills onto opposite sides of the roadway curbs.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: April 18, 1978
    Assignee: Johns-Manville Corporation
    Inventors: Herbert Arnold Odle, Donald Edward Ruehl, Jan Shadwick, Daryl Dean Sullivan, Dale Eugene Welty