Patents by Inventor Harold Griffiths

Harold Griffiths 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).

  • Cable cleaning system
    Patent number: 4591390
    Abstract: The invention relates to a cable cleaning and lubricating system comprising a chamber (5) adapted to surround a section of a cable (4) to be cleaned and to be displaced relative to the cable (4), nozzles (7) within the chamber (5) for directing jets of relatively high pressure cleaning liquid onto the surface of the cable (4), sealing means (6) at both ends of the chamber (5) and adapted to contact the cable (4), the chamber (5) being provided with an outlet (10) which is in communication with a vacuum pump for reducing the pressure in the chamber (5) to a value below atmospheric pressure. The invention relates furthermore to the use of this system for cleaning and lubricating a cable (FIG. 1).
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: May 27, 1986
    Assignee: Shell Internationale Research Maatschappij B. V.
    Inventors: John E. Scott, Harold Griffiths