Patents by Inventor Rodney W. Appleby

Rodney W. Appleby 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).

  • Signal tube of improved oil resistance
    Patent number: 5625162
    Abstract: The invention relates to oil resistant signal tube, in particular, to initiating explosives or explosives accessories which comprise signal tube. The signal tube of the invention has a sub-tube comprising polyethylene and an outer jacket comprising a thermoplastic polyurethane resin of the polyester type.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: April 29, 1997
    Assignee: ICI Australia Operations Pty Ltd
    Inventor: Rodney W. Appleby