Patents by Inventor Graham Bunch

Graham Bunch 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).

  • Process for the treatment of boiler condensate
    Patent number: 4638766
    Abstract: Boiler feed water is prepared from boiler condensate by first removing insoluble oil and then feeding the condensate to one side of a reverse osmosis membrane and feeding the water from the low pressure side of the membrane to a boiler.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: January 27, 1987
    Assignee: The British Petroleum Company p.l.c.
    Inventors: Graham Bunch, Richard G. Dawes