Location History:
- Saint Peray, FR (1976)
- St. Peray, FR (1977)
- 07130 St Peray, FR (1978)
Company Filing History:
2 out of 1,963 
4 out of 832,912 Years Active: 1976-1978
Title: The Innovative Contributions of Roger Dorgnon
Introduction: Roger Dorgnon, an inventive mind from Saint Peray, France, has made significant strides in the field of engineering and technology. With a total of six patents to his name, Dorgnon's contributions are noteworthy for their originality and practical applications. His latest inventions showcase his expertise in creating tools that enhance efficiency and functionality.
Latest Patents: One of Roger Dorgnon's most recent patents is a "Fastening Tool Using Caseless Munition." This innovative tool features a cavity designed for munition or an explosive chamber that creates a high-pressure environment. The design incorporates a low-pressure expansion chamber interconnected through multiple passages in the breech body, allowing for greater access and loading efficiency.
Another remarkable invention is the "Expansible Nail-Like Plug," which consists of a body that is divided into at least two portions by a radial slot. On impact, an expansion core drives these portions apart, creating a secure fastening solution. The unique design of the plug includes a pointed front end that may take a conical or prismatic shape, further enhancing its functionality.
Career Highlights: Roger Dorgnon's career has been marked by his work with reputable companies, including Olin Corporation, where he contributed his skills in product innovation and development. His work has reinforced the importance of precision and reliability in engineering tools and solutions.
Collaborations: Throughout his career, Dorgnon has had the privilege of collaborating with talented individuals such as Marc Combette and Jean Luthringer. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas in technology and design.
Conclusion: Roger Dorgnon stands as a testament to the impact that inventive minds can have in the realm of engineering and technology. His innovative patents, collaborative spirit, and dedication to improving practical tools underscore the importance of creativity and ingenuity in driving advancements in various industries.