Company Filing History:
3 out of 26 
1 out of 8,033 Years Active: 1989-2010
Title: **Thomas Andrew Lemak: Innovator in Electromagnetic Technology**
Introduction
Thomas Andrew Lemak, an accomplished inventor based in McKeesport, PA, has made significant contributions to the field of electromagnetic technology. With a total of four patents to his name, Lemak's work emphasizes advancements in engineering solutions for high-power applications.
Latest Patents
Among his notable inventions, two patents stand out. The first is focused on **Ripple Reduction in Electromagnetic Launcher Current from Pulsed Alternators**. This invention presents systems and methods designed to enhance the current pulse from multiple pairs of pulsed alternators used to drive extensive loads, like an electromagnetic launcher, often referred to as a rail gun. By interleaving pulses from contra-rotating pulsed alternators, the conventional ripple in current pulses is minimized, leading to increased frequency and reduced ripple magnitude in the average load current.
The second patent, **Transformerless Multi-Level Power Converter**, innovates by eliminating the traditional transformer in a cascaded, multi-level inverter system. This invention finds utility across various industries and applications, predominantly used in motor drives requiring variable voltage and frequency. By incorporating additional secondary windings into the generator, Lemak's design provides the necessary isolated voltages for the power converter, streamlining the inverter's functionality.
Career Highlights
Lemak's career includes significant roles in esteemed companies such as Curtiss-Wright Electro-Mechanical Corporation and Westinghouse Electric Corporation. His experience within these organizations has contributed greatly to his expertise in developing groundbreaking technologies.
Collaborations
Throughout his career, Thomas Andrew Lemak has collaborated with notable colleagues such as David Jonathan Hall and Regis J. Hillenbrand. These partnerships have facilitated a collaborative environment that fosters innovation in the field of electromagnetics.
Conclusion
Thomas Andrew Lemak exemplifies the spirit of innovation in electromagnetic technology through his patents and extensive career. His work has not only advanced technical methodologies in electromagnetics but also contributed to the broader field of electrical engineering, paving the way for future generations of inventors and engineers.