Patents by Inventor Roy Erving Hennen

Roy Erving Hennen 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).

  • Portable rechargeable lead-acid battery
    Patent number: 4121017
    Abstract: A rechargeable portable lead-acid battery for use in providing electrical power to portable devices such as lanterns and the like, the battery particularly including an improved container and cover, an improved battery post construction and an improved electrical assembly.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: October 17, 1978
    Assignee: Globe-Union Inc.
    Inventors: Thomas John Dougherty, Roy Erving Hennen
  • Battery and battery container having air-flow passages therethrough
    Patent number: 4107402
    Abstract: A battery and battery container having air-flow passages therethrough. The container includes partitions separating the cells of the battery, the partitions each being comprised of a pair of spaced apart parallel partition walls defining a narrow generally planar air flow passage between the cells of the battery. The spaced apart partition walls are integrally joined together at a location adjacent a central portion which includes an aperture to permit intercell welding of adjacent cells.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: August 15, 1978
    Assignee: Globe-Union Inc.
    Inventors: Thomas John Dougherty, Roy Erving Hennen, John Ronald Pierson