Keith D Ramthun

Title: The Innovative Contributions of Keith D. Ramthun

Introduction

Keith D. Ramthun is a notable inventor based in Montague, MI (US). He has made significant contributions to the field of investment casting, particularly through his innovative patent. His work is characterized by a focus on improving the casting process for high melting point and low ductility metals and alloys.

Latest Patents

One of Keith D. Ramthun's key patents is titled "Complaint investment casting mold and method." This patent describes a method where a high melting point and/or low ductility metal or alloy is investment cast in a refractory mold. The mold includes a facecoat layer and multiple back-up layers, with at least one back-up layer being a relatively weak, sacrificial layer. This design allows the sacrificial layer to be crushed as necessary when the casting cools below its ductile-to-brittle transition temperature, thereby preventing hot tearing or cracking of the solidified metal or alloy during the cooling process.

Career Highlights

Keith D. Ramthun is currently employed at Howmet Corporation, a company known for its advanced manufacturing technologies. His role at Howmet has allowed him to apply his innovative ideas and contribute to the development of new casting methods.

Collaborations

Throughout his career, Keith has collaborated with several talented individuals, including Paul R. Aimone and Bart M. Kilinski. These collaborations have fostered a creative environment that encourages the exchange of ideas and advancements in casting technology.

Conclusion

Keith D. Ramthun's contributions to the field of investment casting are noteworthy, particularly his innovative patent that addresses challenges in casting high melting point metals. His work continues to influence the industry and showcases the importance of innovation in manufacturing processes.