Patents by Inventor Gunnar Eckerbom

Gunnar Eckerbom 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).

  • Methods and apparatus for closing the bottom ends of electrode tubes
    Patent number: 4011370
    Abstract: A battery electrode includes a plurality of sheaths. The base portion of a bottom strip is secured to bottom, open ends of the sheaths. The bottom strip also includes movable closure sections which can be swung open to allow filling of the sheaths with active material, and which can be swung closed to close the bottom ends of the sheaths.
    Type: Grant
    Filed: June 2, 1976
    Date of Patent: March 8, 1977
    Assignee: Aktiebolaget Tudor
    Inventor: Gunnar Eckerbom
  • Process for the manufacture of lead storage battery electrodes and apparatus for carrying out the process
    Patent number: 3963517
    Abstract: Greater uniformity of particle size and free-running properties are achieved in the production of granular material for lead storage battery electrodes by adding water or sulfuric acid to a mixture of granules of lead and lead oxide to produce a paste which is pressed through a foraminous body such as a filter cloth and the resulting granules dried by permitting free fall through a heated gaseous drying medium. Novel apparatus for carrying out the process is also disclosed.
    Type: Grant
    Filed: May 30, 1974
    Date of Patent: June 15, 1976
    Assignee: Aktiebolaget Tudor
    Inventors: Gunnar Eckerbom, Ove Nilsson