Company Filing History:
2 out of 68 
1 out of 136 
1 out of 14 Years Active: 1976-1982
Title: Innovations of Andre R Hivert
Introduction
Andre R Hivert is a notable inventor based in Pontoise, France. He has made significant contributions to the field of materials science, particularly in the development of adhesives and surface treatments for metallic components. With a total of 4 patents to his name, Hivert's work showcases his expertise and innovative spirit.
Latest Patents
Hivert's latest patents include an inorganic adhesive designed for assembling metallic components. This adhesive composition can be transformed into a metallo-ceramic cement through heat treatment. The binder for this composition incorporates sodium disilicate, while the powdered metallic filler consists of a mixture of aluminium-coated stainless steel powder and ultrafine chromium powder. Another significant patent involves a process for forming surface diffusion alloy layers on refractory materials. This process is applicable to metal articles with perforations whose transverse cross-sectional dimension is less than 0.4 mm. A refractory filter element is applied to the workpiece surface prior to diffusion treatment, which includes a refractory felt based on metal fibers containing chromium in a weight proportion of 10 to 60%. The felt is oxidized to create a layer of chromium oxide, followed by conventional thermochemical powder diffusion treatment in the presence of chromium oxide-reducing elements.
Career Highlights
Throughout his career, Hivert has worked with esteemed organizations such as the National Office for Aerospace Studies and Research (ONERA). His work at ONERA has allowed him to contribute to various aerospace projects, enhancing the performance and durability of materials used in this critical field.
Collaborations
Hivert has collaborated with several professionals in his field, including Philippe M Galmiche and Andre M Walder. These collaborations have fostered innovation and the exchange of ideas, further advancing the technology in which he specializes.
Conclusion
Andre R Hivert's contributions to the field of materials science through his patents and collaborations highlight his role as a significant inventor. His innovative approaches to adhesives and surface treatments continue to influence the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.