Patents by Inventor Alan L. Hare

Alan L. Hare 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).

  • Electric arc discharge apparatus
    Patent number: 4436984
    Abstract: This relates to electric arc discharge apparatus including at least two pair of electrodes and a single power source which comprises a multi-phase transformer, arc stabilization means and two or more rectifier bridges. Each rectifier bridge provides a pair of electrical power outputs to supply power to a respective pair of electrodes.The invention enables the multi arc system to be employed using a single power source and is of particular use in heating gas to be used in the oxidation of titanium tetrachloride for the production of titanium dioxide pigments.
    Type: Grant
    Filed: November 18, 1982
    Date of Patent: March 13, 1984
    Assignee: Tioxide Group PLC
    Inventors: Alan L. Hare, Allan P. George