Patents by Inventor Jorgen Rokholt

Jorgen Rokholt 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: 4069115
    Abstract: Method and arrangement for removing a gas cushion formed at the anode in an electrolytic cell for the production of aluminum by electrolysis of aluminum oxide dissolved in molten cryolite. There is employed a tubular lance which through a flexible hose is connected to a source of pressurized gas, and which is with its mouth adapted to be introduced towards the gas cushion in order to have this blown away. As the source of gas there is employed an exhaust gas system of a combustion engine located in a movable machine.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: January 17, 1978
    Assignee: Maskin A/S K. Lund & Co.
    Inventor: Jorgen Rokholt