Company Filing History:
Years Active: 1999-2007
Title: Innovations of Stephen H Li
Introduction
Stephen H Li is a notable inventor based in Appleton, Wisconsin, with a remarkable portfolio of 11 patents. His work primarily focuses on advancements in welding technology, showcasing his commitment to innovation in engineering.
Latest Patents
One of his latest patents is an engine-driven converter with feedback control. This invention involves a method and apparatus for welding using an engine-driven inverter power supply. The process includes generating an AC output with an engine and generator, which is then rectified and inverted to provide an AC inverter output. The engine's operation is controlled using feedback indicative of welding output parameters. This feedback can be sourced from the inverter or generator, allowing for precise control over engine parameters such as speed, throttle position, and fuel consumption. The invention also incorporates feedback responsive to welding current, voltage, and power, ensuring optimal performance during welding operations.
Career Highlights
Stephen H Li is currently employed at Illinois Tool Works Inc., where he continues to contribute to the field of welding technology. His innovative approach and technical expertise have made significant impacts in his area of specialization.
Collaborations
Stephen has collaborated with notable colleagues, including Richard W Beeson and Alan Frederic Smith, enhancing the collaborative spirit of innovation within his workplace.
Conclusion
Stephen H Li's contributions to welding technology through his patents and collaborative efforts exemplify the spirit of innovation in engineering. His work continues to influence the industry and inspire future advancements.