Company Filing History:
Years Active: 1995-1997
Title: The Innovations of Staffan C Stenfelt
Introduction
Staffan C Stenfelt is a notable inventor based in Lammhult, Sweden. He has made significant contributions to the field of cutting technologies, particularly in the area of plasma arc and laser cutting. With a total of three patents to his name, Stenfelt's work has advanced the efficiency and quality of metal cutting processes.
Latest Patents
One of Stenfelt's latest patents is a process for high-quality plasma arc and laser cutting of stainless steel. This innovative method utilizes a mix of reactive and reducing gas flows to effectively cut sheets of stainless steel, aluminum, and other non-ferrous metals. The reducing gas flow is adjusted as a percentage of the total gas flow to maintain a reducing atmosphere throughout the cut, while ensuring a predominantly oxidizing atmosphere at the intersection of the cut and the bottom surface of the sheet. In plasma arc cutting, these gas flows can be characterized as either a plasma gas flow, which forms the arc, or a shield gas flow that surrounds the arc. The reactive gas can include air, oxygen, nitrogen, carbon dioxide, or a combination of these gases. The reducing gas is typically hydrogen, hydrogen 35, methane, or a mixture of these gases. For aluminum cutting, the reactive gas is preferably air or nitrogen, while the reducing gas is typically methane or a mixture of methane and air. In laser cutting, reducing gases such as methane can be effectively mixed with reactive assist gases to enhance the cutting process.
Career Highlights
Stenfelt is currently employed at Hypertherm, Inc., a company renowned for its cutting technology solutions. His work at Hypertherm has allowed him to further develop and refine his innovative cutting processes, contributing to the company's reputation as a leader in the industry.
Collaborations
Throughout his career, Stenfelt has collaborated with notable colleagues, including Richard W Couch, Jr. and Nicholas A Sanders. These collaborations have fostered an environment of innovation and have led to advancements in cutting technologies.
Conclusion
Staffan C Stenfelt's contributions to the field of cutting technologies through his patents and work at Hypertherm, Inc. highlight his role as a significant inventor in the industry. His innovative processes continue to influence the efficiency and quality of metal cutting applications.