This inventor holds 4 USPTO granted patents. Top assignees: Etablissements a. Bertaud, Serac S.a.. Active years: 1980-1991.
Company Filing History:
Years Active: 1980-1991
Title: Innovations of Jean-Jacques Graffin
Introduction
Jean-Jacques Graffin is a notable inventor based in La Ferte Bernard, France. He has made significant contributions to the field of engineering, particularly in the development of innovative devices. With a total of 4 patents to his name, Graffin's work showcases his expertise and creativity in solving practical problems.
Latest Patents
One of his latest patents is a tightening device having adjustable clamping torque. This invention comprises a transmission device that includes a first transmission member and a second transmission member mounted coaxially. The device features at least one torque limiter member and two adjustable resilient members acting on a thrust member. This design allows for precise control over the clamping torque, enhancing the functionality of the device.
Another significant patent is a device for filling a receptacle. This device is designed to carry out a volumetric metering step, which is associated with a weight metering step for finishing the filling process. The device includes a hopper divided by a grid and is capable of selectively feeding a volumetric metering device or directly filling the receptacle through a distributor with a stopcock plug.
Career Highlights
Throughout his career, Jean-Jacques Graffin has worked with several companies, including Serac S.A. and Etablissements A. Bertaud. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
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Conclusion
Jean-Jacques Graffin's contributions to innovation through his patents reflect his dedication to engineering and problem-solving. His inventions continue to influence the industry and demonstrate the importance of creativity in technology.