Patents by Inventor Joab Auerbach

Joab Auerbach 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: 3944437
    Abstract: An explosion proof venting device for electrical storage batteries comprises a multi chamber plastic receptacle which may contain catalytic material or a gas drying filter, or both of them, a disc shaped porous flame barrier, having a central aperture, a hollow plunger which serves also as a filling funnel, and which may also contain an indicator device, and a cover shielding the flame barrier as well as the funnel.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: March 16, 1976
    Inventor: Joab Auerbach