Company Filing History:
Years Active: 1983-1991
Title: Mary E. Shaffer: Innovator in Tungsten Carbide Technology
Introduction
Mary E. Shaffer is a notable inventor based in Towanda, PA (US), recognized for her contributions to the field of materials science, particularly in tungsten carbide technology. With a total of 5 patents to her name, she has made significant advancements that have implications in various industrial applications.
Latest Patents
Among her latest patents, one is titled "Method for preparation of WC-NI grade powder." This patent discloses a method for producing tungsten carbide-nickel powder, which involves forming a powder mixture consisting of specific percentages of dimolybdenum carbide, tungsten metal powder, tungsten carbide, and nickel. The resulting sintered article produced from this powder exhibits a relatively uniform microstructure. Another significant patent is the "Method of producing monotungsten carbide powder." This invention describes a process for producing tungsten carbide by mixing tungsten oxide or ammonium paratungstate with carbon, followed by a reduction process in a non-reducing atmosphere. This method ensures that the carbon content in the resulting mixture is controlled to achieve the desired stoichiometric amount for forming monotungsten carbide.
Career Highlights
Mary E. Shaffer is currently employed at GTE Products Corporation, where she continues to innovate and develop new technologies. Her work has been instrumental in enhancing the properties and applications of tungsten carbide materials.
Collaborations
Throughout her career, Mary has collaborated with notable colleagues, including Mary L. Benjamin and Robert J. Dobbs. These collaborations have contributed to her success and the advancement of her research.
Conclusion
Mary E. Shaffer stands out as a pioneering inventor in the field of tungsten carbide technology. Her innovative methods and dedication to research have led to significant advancements in material science. Her contributions continue to influence the industry and inspire future innovations.