Patents by Inventor Jean Jacquart

Jean Jacquart 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).

  • Electric pump having a linear motor
    Patent number: 5960875
    Abstract: An electric pump including a linear motor consisting of a stator and a moving element driven by the electromagnetic field generated by the stator, and a pump piston driven by the linear motor, is disclosed. The piston is arranged inside the stator of the electric pump and forms the moving element of the linear motor. An oil well facility provided with such an electric pump is also disclosed.
    Type: Grant
    Filed: February 11, 1998
    Date of Patent: October 5, 1999
    Assignee: Elf Exploration Production
    Inventors: Jean-Louis Beauquin, Jean Jacquart