This inventor holds 2 USPTO granted patents, plus 2 CIPO patents and 1 EPO patent. Top assignees: V & M France, Vallourec Oil and Gas France, Other. Active years: 2015-2016.
Company Filing History:
1 out of 5 
1 out of 168 
1 out of 834,350 Years Active: 2015-2016
Title: The Innovative Spirit of Jean Leyer
Introduction
Jean Leyer, an accomplished inventor based in Valenciennes, France, has made significant contributions to the field of metallurgy with two notable patents. His work predominantly revolves around the development of advanced steel compositions engineered to withstand demanding conditions. Leyer’s designs are not only innovative but also crucial for applications in the oil and gas industry, demonstrating a dedicated focus on performance and efficiency.
Latest Patents
Leyer’s latest patents include a groundbreaking low alloy steel known for its high yield strength and remarkable resistance to sulphide stress cracking. This steel composition, which consists of specific weight percentages of carbon, silicon, manganese, phosphorus, sulfur, chromium, molybdenum, aluminum, vanadium, niobium, titanium, and nitrogen, enables the production of seamless tubes with a yield strength exceeding 862 MPa after heat treatment. This property renders it particularly resilient to sulphide stress cracking, making it an essential material for various industrial applications.
Another key patent focuses on steel compositions designed for special uses, particularly against corrosive atmospheres in high-pressure or high-temperature environments. This innovative steel contains chromium, with an optimal range of 1.8% to 11%, and is supplemented by additives like molybdenum and tungsten to enhance its corrosion resistance. This tailored approach to steel composition highlights Leyer’s commitment to advancing material science for specific industrial needs.
Career Highlights
Throughout his career, Jean Leyer has collaborated with prominent companies in the metallurgy sector, including Vallourec Oil and Gas France and V & M France. His work within these organizations has greatly contributed to the advancement of steel technology and enhanced the overall performance of materials used in critical applications, particularly in the oil and gas industry.
Collaborations
Leyer has also worked alongside esteemed colleagues such as Christoph Bosch and Axel Kulgemeyer. These collaborations have enabled him to leverage a diverse pool of expertise, fostering a creative environment conducive to innovation. The exchange of ideas amongst these skilled professionals has likely played a significant role in the successful development of Leyer's patents.
Conclusion
Jean Leyer exemplifies the essence of innovation within the field of materials engineering. His pioneering patents reflect a keen understanding of the intricate demands of modern industries. Through his continuous pursuit of excellence and collaboration with other experts, he contributes greatly to the advancement of steel technology, establishing a legacy of ingenuity in metallurgy.