Patents by Inventor John Jerold Ridgeway

John Jerold Ridgeway 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).

  • Safe detonator device
    Patent number: 4006687
    Abstract: A detonator device comprising an initiator located in contact with an insensitive liquid component of a two-component liquid explosive composition in a container, the container having ullage space for the subsequent addition of a second liquid component, and being sufficiently strong to contain the pressure of any premature detonation of the initiator.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: February 8, 1977
    Assignee: Imperial Chemical Industries Limited
    Inventor: John Jerold Ridgeway
  • Nitroparaffin explosive composition containing hydrazine and diethylenetriamine
    Patent number: 3980510
    Abstract: A self-sterilising liquid explosive composition comprising liquid nitroparaffin, for example nitromethane, sensitised with hydrazine and containing diethylenetriamine as a delayed action sterilising agent.
    Type: Grant
    Filed: October 29, 1974
    Date of Patent: September 14, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventor: John Jerold Ridgeway