Patents by Inventor Mathieu Romain

Mathieu Romain 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).

  • Patent number: 9200623
    Abstract: A method for controlling a drive unit mechanically connected to a reciprocating linear-motion double-acting pump includes the use of speed-regulating control during the phase in which the piston is moving in just one direction, ascent (109) or descent (102), and the use of torque-regulating control immediately after the reversal (107, 114) of the direction of travel. The method is applicable to a control device and to a drive unit mechanically connected to a reciprocating linear-motion double-acting pump.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: December 1, 2015
    Assignee: EXEL INDUSTRIES
    Inventor: Mathieu Romain
  • Publication number: 20120076666
    Abstract: A method for controlling a drive unit mechanically connected to a reciprocating linear-motion double-acting pump includes the use of speed-regulating control during the phase in which the piston is moving in just one direction, ascent (109) or descent (102), and the use of torque-regulating control immediately after the reversal (107, 114) of the direction of travel. The method is applicable to a control device and to a drive unit mechanically connected to a reciprocating linear-motion double-acting pump.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 29, 2012
    Applicant: EXEL INDUSTRIES
    Inventor: Mathieu Romain