This inventor holds 2 USPTO granted patents. Top assignee: Hypertherm, Inc.. Active years: 1998.
Company Filing History:
Years Active: 1998
Title: Innovations by Elizabeth B. Hackett
Introduction
Elizabeth B. Hackett is a notable inventor based in Lebanon, NH (US). She has made significant contributions to the field of plasma arc technology, holding two patents that showcase her innovative spirit and technical expertise. Her work primarily focuses on improving the efficiency and effectiveness of plasma arc torch systems.
Latest Patents
One of her latest patents is titled "Gas mixtures for plasma arc torch cutting and marking systems." This invention describes a method of operating a plasma arc torch for marking a metallic workpiece. The method utilizes a torch that includes a body, an electrode, and a nozzle, which defines a plasma chamber. The nozzle features a central passage and an exit orifice through which the transferred arc passes to the workpiece. The method also involves forming a plasma gas flow with a selected mixture of hydrogen and an inert gas, optimizing the performance of the torch.
Another significant patent is "Apparatus and method for starting and stopping a plasma arc torch used." This invention outlines a plasma arc torch apparatus designed for cutting or marking a workpiece. It includes a torch with an electrode and a nozzle coupled to a power supply, along with a plasma gas source. The design incorporates a flow restriction member that gradually increases the pressure of the plasma gas during startup, creating a stable plasma arc. This innovation allows for a quicker restart of the torch after completing a cutting cycle.
Career Highlights
Elizabeth B. Hackett is currently employed at Hypertherm, Inc., where she continues to develop advanced technologies in plasma cutting. Her work has significantly impacted the industry, enhancing the capabilities of plasma arc systems and contributing to more efficient manufacturing processes.
Collaborations
Throughout her career, Elizabeth has collaborated with talented individuals such as Zhipeng Lu and Timothy M. Brewer. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Elizabeth B. Hackett is a pioneering inventor whose work in plasma arc technology has led to significant advancements in the field. Her patents reflect her commitment to innovation and her ability to solve complex engineering challenges. Her contributions continue to influence the industry and inspire future generations of inventors.