Patents by Inventor Ramchandra Venkitachalam

Ramchandra Venkitachalam 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).

  • Heat sealing method for making a luggage case
    Patent number: 5458718
    Abstract: A method of joining a beading to a luggage case is provided in which the beading has a conductive material, for example a length of wire embedded within it and in which the beading and the luggage case are positioned together and the conductive material made to pass a current so that it heats up causing the thermoplastic materials to melt locally and fuse. A hard shell luggage case having a thus joined beading and which in a particular embodiment includes a lining which also becomes attached to the case in the method is also provided.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: October 17, 1995
    Assignee: VIP Industries Limited
    Inventor: Ramchandra Venkitachalam