Company Filing History:
4 out of 2,424 
1 out of 68 
Years Active: 1981-1986
Title: The Innovative Contributions of Andre James
Introduction
Andre James is a notable inventor based in Royan, France. He has made significant contributions to the field of geophysics, holding a total of 4 patents. His work focuses on devices that enhance the generation of seismic waves, which are crucial for various applications in geophysical research.
Latest Patents
One of his latest patents is a mixed device for generating longitudinal or shear waves. This innovative device allows for the successive generation of both types of waves at the same location in the earth. It features a target coupled to the earth's surface, with a first striking face that is substantially parallel to it, and at least one second striking face that is perpendicular. The design includes a guide tube positioned above the first striking face, where a movable weight can slide and strike the face directly. Additionally, a hammer is articulated to a support secured to the guide tube, striking the second face of the target. The device incorporates directional coupling means to ensure effective wave generation while minimizing interference from hammer impacts.
Another significant patent by Andre James is a device designed to avoid multiple bounces of a vertically falling mass against a target. This invention prevents repeated shocks by retaining the mass above the target after its initial bounce. The retention mechanism utilizes deformable elements that are pressed against the mass body by jack rods, which are activated by a control signal from a sensor upon the first impact.
Career Highlights
Throughout his career, Andre James has worked with prominent organizations such as the Institut Français Du Pétrole and Compagnie Générale de Géophysique. His experience in these companies has contributed to his expertise in geophysical technologies and innovations.
Collaborations
Andre has collaborated with notable individuals in his field, including Pierre-Claude Layotte and Jean Laurent. Their joint efforts have further advanced the development of innovative geophysical devices.
Conclusion
Andre James is a distinguished inventor whose work has significantly impacted the field of geophysics. His innovative patents demonstrate his commitment to advancing technology in seismic wave generation. His contributions continue to influence research and applications in this vital area.