Company Filing History:
Years Active: 2000-2003
Title: Inventor Spotlight: Limin Chen
Introduction
Limin Chen is an innovative inventor based in Oakmont, PA, USA, known for his contributions to the field of hard metal and cermet technologies. With a remarkable portfolio consisting of two patents, his work significantly enhances the performance and application of these materials in various industrial uses.
Latest Patents
Limin Chen’s latest patents include innovative findings related to hard metal or cermet bodies. The first patent, titled “Hard Metal or Cermet Body and Method for Producing the Same,” focuses on developing a hard metal or cermet body characterized by a hard material phase comprising tungsten carbide (WC) and additional carbide, nitride, carbonitride, or oxicarbonitride compounds. A notable aspect of this invention is the specific composition of the binding metal phase, which consists of Iron (Fe), Cobalt (Co), and Nickel (Ni) in a weight percentage ranging from 3 to 25 mass%. The inclusion of protruding WC crystallites, extending 2 to 20 micrometers beyond the surface, aims to improve the adhesion of applied surface layers.
The second patent, titled “Hard-Metal or Cermet Body, Especially for Use as a Cutting Insert,” presents a design featuring a hard phase with WC content of at least 10% and as much as 96%. It highlights three distinct layers formed due to heat treatment, enhancing the properties of the cutting insert. The outer layer consists of hard material with limited binder content, while an intermediate layer features a nearly pure WC-Co composition, and the innermost layer shows a progressive increase in tungsten and binder content as it approaches the body interior.
Career Highlights
Limin Chen has made significant strides in his career at Widia GmbH, where he continues to contribute to cutting-edge technology in hard metal and cermet products. His innovations play a pivotal role in enhancing the quality and durability of industrial tools, especially cutting inserts.
Collaborations
Throughout his career, Limin has collaborated with esteemed colleagues, including Walter Lengauer and Hans Werner Daub. Their combined expertise has fostered a productive environment for innovation and has led to the development of advanced material technologies.
Conclusion
Limin Chen stands out as a prominent inventor in the realm of hard metal and cermet innovations. His patents reflect a deep understanding of material science and engineering, which have direct applications in improving manufacturing processes. As the industry continues to evolve, inventors like Limin are crucial in pushing the boundaries of what is possible in material technology.