This inventor holds 2 USPTO granted patents. Top assignees: Compagnie Internationale De Minerallurgie - Cim, Saint-Gobain Vitrage. Active years: 1978-1987.
Company Filing History:
1 out of 2 
1 out of 420 
Years Active: 1978-1987
Title: Pierre Letourneur: Innovator in Glass Technology
Introduction
Pierre Letourneur is a notable inventor based in Paris, France. He has made significant contributions to the field of glass technology, holding 2 patents that showcase his innovative spirit and technical expertise.
Latest Patents
One of his latest patents is for a glass sheet suitable for use as the panoramic roof of a motor vehicle. This glass is comprised of tinted material coated with a network of enamel patterns that effectively reduce light and energy transmission. The design may also include a thin semireflective layer on one side, ensuring that both the light and energy transmission factors are approximately equal and below 30%. Another significant patent involves a method for casting vitreous materials using the lost wax process. In this method, a pattern of the article to be cast is formed with a substance that vaporizes at the casting temperature of the vitreous material. The pattern is then embedded in a heat-resistant silica compound, creating a casting mold for the vitreous material.
Career Highlights
Throughout his career, Pierre Letourneur has worked with prominent companies such as Saint-Gobain Vitrage and Compagnie Internationale de Minerallurgie. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Pierre has collaborated with notable coworkers, including Denis Poncelet and Jean-Claude Coulon. Their combined expertise has likely fostered a creative environment that encourages innovation.
Conclusion
Pierre Letourneur stands out as an influential inventor in the glass technology sector. His patents reflect a commitment to advancing the industry and improving the functionality of glass products.