Patents by Inventor Thomas Renwick Potts

Thomas Renwick Potts 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).

  • Galvanic cell having a high pressure vent closure
    Patent number: 4079172
    Abstract: Sealed galvanic dry cells having at least one gas venting passage disposed at the interface of the top surface of the cover and the curled over rim of the container. The passage is defined as being a recess in the cover disposed below the curled over rim and/or a notch in a portion of the curled over rim.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: March 14, 1978
    Assignee: Union Carbide Corporation
    Inventors: Thomas Renwick Potts, Norris Holland Drum