Patents by Inventor Jean-Michel Levesque

Jean-Michel Levesque 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).

  • RF microwave bellows tuning post
    Patent number: 5986526
    Abstract: An adjustable RF microwave tuning post for use in an RF cavity is disclosed. It is comprised of a flexible integrally-formed hollow tuning post disposed in the RF cavity. A drive shaft extending internally of the tuning post is provided to vary the dimensions of the tuning post. The drive shaft is connected to the tuning post at the top end thereof and connected at the other end of the drive shaft to an adjusting nut. The tuning post is made flexible by the use of bellows, which in a preferred embodiment of the invention is located along the side walls thereof.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: November 16, 1999
    Assignee: EMS Technologies Canada, Ltd.
    Inventors: Josef Kopal, Gerard Senechal, Andre Bouvrette, Jean-Michel Levesque, Kanti Patel, Christopher Yong, Yves Patenaude, Alexander Csaki, Yvan Cote, Gerard Carrier, Serge Samson