Company Filing History:
5 out of 11 
3 out of 2,424 
1 out of 1 Years Active: 1981-1994
Title: The Innovative Contributions of Andre Cendre
Introduction
Andre Cendre is a notable inventor based in Cosne Sur Loire, France. He has made significant contributions to the field of drilling technology, holding a total of 9 patents. His work primarily focuses on devices that enhance the efficiency and effectiveness of drilling operations.
Latest Patents
One of his latest patents is an actuating device associated with a drill string. This invention allows for the remote actuation of equipment linked to a drill string through a hydraulic displacement mechanism. The device converts hydraulic energy from the drilling fluid into mechanical energy without the need for additional fluids. This innovation has applications in directional drilling within the petroleum industry. Another significant patent is a remote-controlled actuation device designed for appliances associated with a ducted body. This actuator features a differential piston that is axially movable within the duct, enhancing the control of incompressible fluid flow.
Career Highlights
Throughout his career, Andre Cendre has worked with several prominent organizations, including S.M.F. International and the Institut Français Du Pétrole. His experience in these companies has allowed him to develop and refine his innovative ideas in drilling technology.
Collaborations
Andre has collaborated with notable individuals in his field, including Jean Gilbert Boulet and Jean-Paul Nguyen. These partnerships have contributed to the advancement of his inventions and the overall progress in drilling technology.
Conclusion
Andre Cendre's contributions to drilling technology through his innovative patents and collaborations highlight his importance in the field. His work continues to influence the industry and pave the way for future advancements.