Company Filing History:
Years Active: 1994-2012
Title: Mark Douglas Ehresman: Innovator in Electrical Discharge Machining
Introduction
Mark Douglas Ehresman is a notable inventor based in Haverhill, MA (US). He has made significant contributions to the field of electrical discharge machining, holding a total of 2 patents. His work focuses on innovative methods for creating test specimens from forgings, which are crucial in various manufacturing processes.
Latest Patents
Ehresman's latest patents include a method for the extraction of chordal test specimens from forgings. This method involves machining out a chordal core from an annular forging and ensuring that the specimen is symmetrical about a chordal axis. The process utilizes a linear cutting tool, such as a wire EDM machine, which allows for precise machining. The test specimen produced can have a gauge section diameter ranging from 0.1 to 0.5 inches. Additionally, he has developed a controlled apparatus for electrical discharge machining. This apparatus features an electrode mounted in a base, a driver for positioning, and a system for providing electrical energy. It also includes a monitor for measuring the electrical discharge frequency, allowing for enhanced control over the machining process.
Career Highlights
Mark Douglas Ehresman is currently employed at General Electric Company, where he continues to innovate and contribute to advancements in machining technologies. His expertise in electrical discharge machining has positioned him as a valuable asset in the engineering community.
Collaborations
Throughout his career, Ehresman has collaborated with notable colleagues, including Kenneth B. Haefner and James R. Bischoff. These collaborations have further enriched his work and contributed to the development of new technologies in the field.
Conclusion
Mark Douglas Ehresman is a distinguished inventor whose work in electrical discharge machining has led to significant advancements in manufacturing processes. His innovative patents and contributions to General Electric Company highlight his commitment to engineering excellence.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.