Patents by Inventor Arun J. Rathod

Arun J. Rathod 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).

  • Underwater arc welding
    Patent number: 4654500
    Abstract: Portable welding apparatus for use in underwater arc welding comprising a housing through whose wall extends a welding gun. The housing has an aperture for fitment over an item to be welded to a structure and the housing has a gas inlet for evacuation of water from the housing in use.The apparatus preferably includes a rotatable housing portion on a fixed base so that welding can be performed around items which are contained wholly within the housing, thereby ensuring a dry environment for the well under water.
    Type: Grant
    Filed: September 12, 1985
    Date of Patent: March 31, 1987
    Assignee: K.D. Marine (UK) Limited
    Inventors: Richard B. Stiles, Arun J. Rathod