Company Filing History:
7 out of 10,654 
6 out of 217 
1 out of 832,761 Years Active: 1980-1993
Title: The Innovations of Kenneth Lipman: A Pioneer in Power Inverter Technology
Introduction
Kenneth Lipman, an accomplished inventor based in West Hartford, CT, has made significant contributions to the field of engineering with a total of 14 patents to his name. His work primarily focuses on enhancing the efficiency and performance of power inverter systems, which are essential in converting direct current (DC) to alternating current (AC).
Latest Patents
Two of Lipman's latest patents showcase his innovative approach to pulse width modulation (PWM) and current balancing structures in semiconductor switching devices.
1. **Method for Defining Pulse Width Modulation (PWM) Waveform Patterns** - This patent outlines a method for controlling the switching bridges in a power inverter system to generate low harmonic content output voltage signals. The innovation involves assigning a waiting factor to each harmonic produced and identifying harmonics that can be reduced. The selected harmonics are represented by corresponding equations that are solved at each switch point in the PWM waveform pattern, along with a program designed to find these switch points.
2. **Current Balancing Structure for Semiconductor Switching Devices** - This highlighted invention describes a structure that ensures equal current flow through a paralleled array of semiconductor devices. By alternately connecting a DC potential to an output voltage bus, the system mitigates the risk of current imbalances that can occur during switching intervals. Diodes are integrated to provide alternative circuit paths, protecting devices when switching states change.
Career Highlights
Throughout his career, Kenneth Lipman has worked with notable companies, including United Technologies Corporation and International Fuel Cells, LLC. His experiences at these institutions have significantly influenced his innovative designs and patent developments in power electronics.
Collaborations
Lipman has collaborated with respected colleagues such as Alexander H. Levy and Douglas G. Young. Their joint efforts in various projects have contributed to advancements in power electronics and semiconductor technology.
Conclusion
Kenneth Lipman's innovative spirit and dedication to improving power inverter systems reflect his status as a leading inventor in his field. With his latest patents addressing critical challenges in PWM technology and current balancing structures, Kenneth continues to influence the evolution of electronic systems and paves the way for future advancements.