This inventor holds 2 USPTO granted patents and 1 published patent application and 7 EPO patents. Top assignees: Snecma, Snecma Services. Active years: 2013-2014.
Company Filing History:
2 out of 1,659 
1 out of 26 Years Active: 2013-2014
Title: Gérard Derrien: Innovator in Turbomachine Repair Technologies
Introduction
Gérard Derrien is a notable inventor based in Houilles, France. He has made significant contributions to the field of turbomachinery through his innovative repair methods. With a total of 2 patents to his name, Derrien's work focuses on enhancing the efficiency and reliability of turbomachine components.
Latest Patents
Derrien's latest patents include a method of repairing machined components such as turbomachine blades or blades of blisks. This method utilizes machining to repair a component workpiece from a known profile. The process involves deforming the profile using a morphing method, which interpolates a cluster of points measured on the component. By comparing each zone of the component with elementary deformation configurations (EDCs) stored in a database, the method ensures precise repairs.
Another significant patent is for a part-holding device in a repairing method for a blade of a monobloc bladed disc in a turbo-machine. This device facilitates electron-beam welding of a patch onto the blade along a junction plane. It includes a disc supporting device and an adjustable holding device that ensures the correct positioning of the blade and patch while allowing an electron beam to pass. This innovative device is designed to be both simple and reliable.
Career Highlights
Throughout his career, Gérard Derrien has worked with prominent companies in the aerospace sector, including Snecma and Snecma Services. His experience in these organizations has contributed to his expertise in turbomachinery and repair technologies.
Collaborations
Derrien has collaborated with notable professionals in his field, including Stéphane Kerneis and Claude Leonetti. These collaborations have further enriched his work and innovations in turbomachine repair.
Conclusion
Gérard Derrien's contributions to turbomachine repair technologies through his patents and career experiences highlight his role as an influential inventor. His innovative methods continue to impact the aerospace industry positively.