Patents by Inventor Harold Dennis Blakelock

Harold Dennis Blakelock 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).

  • Production of carbon fibre
    Patent number: 4051659
    Abstract: Production of carbon fibre from a multifilament tow of organic precursor fibre, by heat treatment in an oxygen containing atmosphere and subsequent carbonization optionally followed by graphitization, the tow being given a twist between the oxygen treatment and carbonization, which twist is made permanent by the carbonization and maintains the fibres within the tow during the carbonization and subsequent handling.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: October 4, 1977
    Assignee: Morganite Modmor Limited
    Inventor: Harold Dennis Blakelock